Institute of Experimental Mineralogy
                 Russian Academy of Sciences
     -------------------------------------------------
           142432, Chernogolovka, Moscow district
             A.V. Chichagov  +7(496)52-22320

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          ***      W W W - X R A Y P O L       ***
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CHEVKINITE_CE

1, f-perrierite

Ce(4)Fe(Ti,Fe)(2)Ti(2)O(8)[Si(2)O(7)](2)


Monoclinic  C 2/m  Z = 2

R =0.0241          NR =1250

26 .12 .1902

Ref.Str.:

         Zh. Yang et al. (2002)

         * Eur. J. Mineral., 14, 965-975

Reserv:

         N.A.D.

                   Initial data from BDM-file 

   Lattice parameters (cub. angs.,degr.):

             a =  13.456    alpha =   90.0 
             b =   5.728    beta  =  100.6 
             c =  11.083    gamma =   90.0 

    Unit cell volume (cub. angs.) =   839.66

    Molar volume ( cub.cm/mol.) =   252.88

  Co-ordinates, thermal parameters, occupation for atomic positions:

NoP   x/a     y/b     z/c    B(j)   atom  / occupation

   1 0.3562  0.0     0.2344   0.0    Ce    = 0.93, Ca    = 0.02
   2 0.0697  0.0     0.2397   0.0    Ce    = 0.91, Ca    = 0.05
   3 0.5     0.0     0.0      0.0    Fe    = 0.55, Mg    = 0.24, Ti    = 0.18
   4 0.25    0.25    0.5      0.0    Fe    = 0.39, Ti    = 0.55, Nb    = 0.03
   5 0.5     0.0     0.5      0.0    Fe    = 0.27, Ti    = 0.66, Nb    = 0.04
   6 0.0     0.0     0.5      0.0    Fe    = 0.14, Ti    = 0.8 , Nb    = 0.04
   7 0.2009  0.5     0.2314   0.0    Si    = 1.00
   8 0.3576  0.5     0.0466   0.0    Si    = 1.00
   9 0.2281  0.265   0.3145   0.0    O     = 1.00
  10 0.4779  0.2542  0.3737   0.0    O     = 1.00
  11 0.4261  0.2723  0.0935   0.0    O     = 1.00
  12 0.1462  0.0     0.4776   0.0    O     = 1.00
  13 0.3476  0.0     0.4896   0.0    O     = 1.00
  14 0.0849  0.5     0.1718   0.0    O     = 1.00
  15 0.2706  0.5     0.1287   0.0    O     = 1.00
  16 0.1868  0.0     0.0965   0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.3562     0.0        0.2344
     2       2     0.0697     0.0        0.2397
     3       3     0.5        0.0        0.0   
     4       4     0.25       0.25       0.5   
     5       5     0.5        0.0        0.5   
     6       6     0.0        0.0        0.5   
     7       7     0.2009     0.5        0.2314
     8       8     0.3576     0.5        0.0466
     9       9     0.2281     0.265      0.3145
    10      10     0.4779     0.2542     0.3737
    11      11     0.4261     0.2723     0.0935
    12      12     0.1462     0.0        0.4776
    13      13     0.3476     0.0        0.4896
    14      14     0.0849     0.5        0.1718
    15      15     0.2706     0.5        0.1287
    16      16     0.1868     0.0        0.0965
    17       1     0.6438     0.0        0.7656
    18       2     0.9304     0.0        0.7603
    19       4     0.75       0.75       0.5   
    20       7     0.7991     0.5        0.7686
    21       8     0.6424     0.5        0.9534
    22       9     0.7719     0.735      0.6855
    23      10     0.5221     0.7458     0.6263
    24      11     0.5739     0.7277     0.9065
    25      12     0.8538     0.0        0.5224
    26      13     0.6524     0.0        0.5104
    27      14     0.9151     0.5        0.8282
    28      15     0.7294     0.5        0.8713
    29      16     0.8132     0.0        0.9035
    30       4     0.25       0.75       0.5   
    31       9     0.2281     0.735      0.3145
    32      10     0.4779     0.7458     0.3737
    33      11     0.4261     0.7277     0.0935
    34       4     0.75       0.25       0.5   
    35       9     0.7719     0.265      0.6855
    36      10     0.5221     0.2542     0.6263
    37      11     0.5739     0.2723     0.9065
    38       1     0.8562     0.5        0.2344
    39       2     0.5696     0.5        0.2397
    40       3     0.0        0.5        0.0   
    41       5     0.0        0.5        0.5   
    42       6     0.5        0.5        0.5   
    43       7     0.7009     0.0        0.2314
    44       8     0.8576     0.0        0.0466
    45       9     0.7281     0.235      0.3145
    46      10     0.9779     0.2458     0.3737
    47      11     0.9261     0.2277     0.0935
    48      12     0.6462     0.5        0.4776
    49      13     0.8476     0.5        0.4896
    50      14     0.5849     0.0        0.1718
    51      15     0.7706     0.0        0.1287
    52      16     0.6868     0.5        0.0965
    53       1     0.1438     0.5        0.7656
    54       2     0.4304     0.5        0.7603
    55       7     0.2991     0.0        0.7686
    56       8     0.1424     0.0        0.9534
    57       9     0.2719     0.765      0.6855
    58      10     0.0221     0.7542     0.6263
    59      11     0.0739     0.7723     0.9065
    60      12     0.3538     0.5        0.5224
    61      13     0.1524     0.5        0.5104
    62      14     0.4151     0.0        0.8282
    63      15     0.2294     0.0        0.8713
    64      16     0.3132     0.5        0.9035
    65       9     0.7281     0.765      0.3145
    66      10     0.9779     0.7542     0.3737
    67      11     0.9261     0.7723     0.0935
    68       9     0.2719     0.235      0.6855
    69      10     0.0221     0.2458     0.6263
    70      11     0.0739     0.2277     0.9065


X-ray density (g/cm cub.)   =      4.88

MU (1/cm) =    1257.428    Mass attenuation coefficient (cm**2/g) =    257.778

 Selected interatomic distances (cation-anion,anion-anion):

 NoP    Atom              Rad.sph.      C.N.    Distance     NoP N.
                           (angs.)               (angs.)

    1   Ce   ,Ca             2.88         8
                                                 2.5743       9
                                                 2.5013      10
                                                 2.509       11
                                                 2.8524      13
                                                 2.4997      16
                                                 2.5743       9
                                                 2.5013      10
                                                 2.509       11
    2   Ce   ,Ca             2.88         8
                                                 2.6243       9
                                                 2.6487      12
                                                 2.4337      16
                                                 2.6243       9
                                                 2.5274      10
                                                 2.6278      11
                                                 2.5274      10
                                                 2.6278      11
    3   Fe   ,Mg   ,Ti       2.592        6
                                                 2.2078      11
                                                 2.2078      11
                                                 2.2078      11
                                                 2.2078      11
                                                 2.0323      14
                                                 2.0323      14
    4   Fe   ,Ti   ,Nb       2.592        6
                                                 2.0244       9
                                                 1.9838      12
                                                 1.9607      13
                                                 1.9838      12
                                                 1.9607      13
                                                 2.0244       9
    5   Fe   ,Ti   ,Nb       2.592        6
                                                 2.0037      10
                                                 2.0327      13
                                                 2.0037      10
                                                 2.0327      13
                                                 2.0037      10
                                                 2.0037      10
    6   Fe   ,Ti   ,Nb       2.592        6
                                                 2.0277      12
                                                 2.0277      12
                                                 1.969       10
                                                 1.969       10
                                                 1.969       10
                                                 1.969       10
    7    Si                  2.1          4
                                                 1.634        9
                                                 1.579       14
                                                 1.6025      15
                                                 1.634        9
    8    Si                  2.1          4
                                                 1.6262      11
                                                 1.6094      15
                                                 1.6262      11
                                                 1.5886      16
    9    O                   3.264        9
                                                 2.7421      12
                                                 2.74        13
                                                 2.6277      14
                                                 2.6101      15
                                                 2.8207      16
                                                 2.6922       9
                                                 3.0358       9
                                                 2.9237      12
                                                 2.8943      13
   10    O                   3.264        9
                                                 3.0568      11
                                                 2.77        13
                                                 2.936       13
                                                 2.8159      10
                                                 2.9121      10
                                                 2.7529      10
                                                 2.7345      12
                                                 3.2227      14
                                                 2.9154      12
   11    O                   3.264        7
                                                 3.0568      10
                                                 2.5557      15
                                                 2.6085      11
                                                 3.1195      11
                                                 3.1252      11
                                                 2.6589      14
                                                 2.6956      16
   12    O                   3.264       11
                                                 2.7421       9
                                                 2.6888      13
                                                 2.7421       9
                                                 2.7345      10
                                                 2.9237       9
                                                 2.9154      10
                                                 2.8863      13
                                                 2.8863      13
                                                 2.7345      10
                                                 2.9237       9
                                                 2.9154      10
   13    O                   3.264       11
                                                 2.74         9
                                                 2.77        10
                                                 2.6888      12
                                                 2.936       10
                                                 2.74         9
                                                 2.77        10
                                                 2.936       10
                                                 2.8943       9
                                                 2.8863      12
                                                 2.8863      12
                                                 2.8943       9
   14    O                   3.264        7
                                                 2.6277       9
                                                 2.6289      15
                                                 2.6277       9
                                                 3.2227      10
                                                 2.6589      11
                                                 3.2227      10
                                                 2.6589      11
   15    O                   3.264        8
                                                 2.6101       9
                                                 2.5557      11
                                                 2.6289      14
                                                 3.0746      16
                                                 3.0746      16
                                                 2.6101       9
                                                 2.5557      11
                                                 2.6617      16
   16    O                   3.264        7
                                                 2.8207       9
                                                 3.0746      15
                                                 3.0746      15
                                                 2.8207       9
                                                 2.6956      11
                                                 2.6617      15
                                                 2.6956      11

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.78892(angs.):

  No   H   K   L   Theta 2*Theta    S       LPG   MF        F          I int.
                    ( degree )                                         *100

    1   0   0   1  4.71    9.419   0.046  293.69    2       63.6      336.8
    2   2   0   0  7.773  15.547   0.076  106.38    2       48.6       71.2
    3   2   0  -1  8.322  16.644   0.081   92.53    2        9.0        2.1
    4   0   0   2  9.452  18.903   0.092   71.24    2      163.1      537.6
    5   1   1   0  9.798  19.595   0.095   66.15    4       30.3       34.5
    6   2   0   1  9.826  19.651   0.095   65.76    2       48.9       44.7
    7   1   1  -1 10.571  21.142   0.103   56.52    4      154.8      768.4
    8   2   0  -2 11.104  22.207   0.108   51.03    2       40.2       23.4
    9   1   1   1 11.202  22.405   0.109   50.1     4      166.1      784.4
   10   1   1  -2 13.161  26.321   0.127   35.73    4       46.1       43.0
   11   2   0   2 13.365  26.73    0.129   34.58    2       50.0       24.6
   12   1   1   2 14.18   28.36    0.137   30.5     4       20.7        7.4
   13   0   0   3 14.26   28.52    0.138   30.13    2      223.1      425.4
   14   3   1   0 14.834  29.668   0.143   27.7     4      149.7      352.3
   15   3   1  -1 14.905  29.809   0.144   27.42    4      191.1      567.8
   16   2   0  -3 14.968  29.936   0.144   27.17    2       17.4        2.3
   17   4   0  -1 15.536  31.073   0.15    25.08    2       10.4        0.8
   18   4   0   0 15.694  31.389   0.151   24.54    2        2.6        0.0
   19   3   1   1 16.262  32.524   0.157   22.73    4      337.1     1465.3
   20   3   1  -2 16.457  32.914   0.158   22.15    4      302.8     1152.0
   21   1   1  -3 16.796  33.592   0.162   21.19    4      177.6      379.0
   22   4   0  -2 16.827  33.654   0.162   21.11    2      309.7      574.2
   23   4   0   1 17.265  34.53    0.166   19.96    2      344.1      670.3
   24   2   0   3 17.58   35.16    0.169   19.18    2       96.2       50.4
   25   1   1   3 18.026  36.052   0.173   18.16    4      185.0      352.5
   26   0   2   0 18.199  36.397   0.175   17.78    2      449.0     1017.2
   27   0   2   1 18.84   37.68    0.181   16.48    4      120.9      136.7
   28   3   1   2 18.886  37.771   0.181   16.39    4      320.2      953.6
   29   3   1  -3 19.17   38.341   0.184   15.86    4      378.9     1291.6
   30   0   0   4 19.173  38.347   0.184   15.85    2      470.5      995.6
   31   4   0  -3 19.309  38.617   0.185   15.61    2      252.6      282.5
   32   2   0  -4 19.353  38.706   0.185   15.53    2       19.5        1.7
   33   2   2   0 19.898  39.795   0.19    14.6     4      134.3      149.5
   34   4   0   2 19.956  39.912   0.191   14.51    2      205.3      173.5
   35   2   2  -1 20.134  40.268   0.192   14.22    4      119.2      114.7
   36   0   2   2 20.662  41.324   0.197   13.43    4      263.5      529.0
   37   2   2   1 20.848  41.696   0.199   13.16    4      148.3      164.2
   38   1   1  -4 21.019  42.038   0.201   12.92    4       67.9       33.8
   39   2   2  -2 21.526  43.051   0.205   12.25    4       81.7       46.4
   40   5   1  -1 21.578  43.155   0.206   12.18    4       68.9       32.9
   41   5   1   0 21.867  43.734   0.208   11.82    4      101.4       68.9
   42   2   0   4 22.178  44.357   0.211   11.45    2       63.9       13.2
   43   3   1   3 22.35   44.701   0.213   11.25    4      151.7      147.0
   44   1   1   4 22.382  44.764   0.213   11.22    4       83.6       44.5
   45   5   1  -2 22.403  44.807   0.213   11.19    4       32.2        6.6
   46   4   0  -4 22.654  45.308   0.215   10.92    2      203.3      128.0
   47   3   1  -4 22.698  45.396   0.216   10.87    4      102.2       64.4
   48   2   2   2 22.864  45.728   0.217   10.69    4       45.2       12.4
   49   5   1   1 23.238  46.477   0.221   10.31    4       44.6       11.6
   50   0   2   3 23.438  46.876   0.222   10.11    4      180.3      186.5
   51   4   0   3 23.45   46.9     0.222   10.1     2      265.0      201.2
   52   6   0  -1 23.51   47.02    0.223   10.04    2      220.9      139.0
   53   2   2  -3 23.908  47.817   0.227    9.66    4       32.0        5.6
   54   6   0   0 23.939  47.878   0.227    9.63    2        0.3        0.0
   55   2   0  -5 24.075  48.149   0.228    9.51    2       65.7       11.7
   56   6   0  -2 24.128  48.255   0.229    9.46    2      180.5       87.5
   57   0   0   5 24.238  48.477   0.229    9.37    2       50.6        6.8
   58   5   1  -3 24.255  48.509   0.23     9.35    4       22.9        2.8
   59   4   2  -1 24.295  48.591   0.23     9.32    4      345.3      630.3
   60   4   2   0 24.404  48.809   0.231    9.22    4      254.7      339.5
   61   4   2  -2 25.204  50.407   0.238    8.57    4      202.9      200.1
   62   6   0   1 25.375  50.749   0.24     8.44    2      262.1      164.5
   63   4   2   1 25.521  51.042   0.241    8.33    4      197.1      183.5
   64   5   1   2 25.557  51.114   0.241    8.3     4       70.3       23.3
   65   1   1  -5 25.643  51.286   0.242    8.24    4      107.4       54.0
   66   6   0  -3 25.736  51.471   0.243    8.17    2      213.5      105.7
   67   2   2   3 25.751  51.503   0.243    8.16    4      109.3       55.3
   68   3   1   4 26.416  52.832   0.249    7.7     4      263.9      304.2
   69   4   0  -5 26.626  53.253   0.251    7.56    2       34.3        2.5
   70   3   1  -5 26.811  53.621   0.252    7.44    4      293.9      364.9
   71   0   2   4 26.95   53.9     0.253    7.36    4      433.7      785.3
   72   5   1  -4 26.973  53.946   0.254    7.34    4       83.6       29.1
   73   4   2  -3 27.054  54.108   0.254    7.29    4      128.5       68.3
   74   2   0   5 27.082  54.163   0.254    7.28    2      148.8       45.7
   75   2   2  -4 27.088  54.176   0.255    7.27    4      241.2      240.1
   76   1   1   5 27.113  54.227   0.255    7.26    4      213.9      188.4
   77   4   0   4 27.536  55.072   0.258    7.01    2       37.8        2.8
   78   4   2   2 27.557  55.113   0.259    6.99    4      118.8       56.0
   79   6   0   2 27.703  55.406   0.26     6.91    2       63.7        7.9
   80   6   0  -4 28.212  56.424   0.264    6.63    2       21.3        0.9
   81   1   3   0 28.25   56.5     0.265    6.61    4        4.3        0.1
   82   1   3  -1 28.572  57.144   0.267    6.44    4      134.4       66.0
   83   5   1   3 28.661  57.321   0.268    6.4     4       59.4       12.8
   84   1   3   1 28.85   57.699   0.27     6.3     4      171.4      105.0
   85   2   0  -6 29.097  58.194   0.272    6.18    2      118.2       24.5
   86   2   2   4 29.336  58.673   0.274    6.07    4      255.0      223.9
   87   7   1  -1 29.396  58.792   0.274    6.04    4        2.9        0.0
   88   0   0   6 29.514  59.029   0.275    5.99    2      127.1       27.5
   89   4   2  -4 29.727  59.455   0.277    5.89    4      163.6       89.5
   90   7   1  -2 29.791  59.582   0.278    5.86    4      294.7      289.0
   91   1   3  -2 29.795  59.591   0.278    5.86    4       45.5        6.9
   92   7   1   0 29.899  59.799   0.279    5.82    4      279.6      258.0
   93   1   3   2 30.335  60.671   0.282    5.63    4       31.8        3.2
   94   4   2   3 30.389  60.778   0.283    5.61    4      175.0       97.5
   95   5   1  -5 30.408  60.815   0.283    5.6     4       48.6        7.5
   96   6   2  -1 30.439  60.878   0.283    5.59    4      159.3       80.4
   97   1   1  -6 30.618  61.236   0.285    5.52    4       58.5       10.7
   98   3   3   0 30.698  61.396   0.285    5.49    4      116.9       42.5
   99   3   3  -1 30.738  61.476   0.286    5.47    4      166.7       86.2
  100   6   0   3 30.793  61.587   0.286    5.45    2      266.1      109.4
  101   6   2   0 30.8    61.599   0.286    5.44    4      184.9      105.6
  102   2   2  -5 30.914  61.828   0.287    5.4     4      125.4       48.2
  103   6   2  -2 30.959  61.918   0.288    5.38    4      280.6      240.5
  104   3   1   5 30.965  61.93    0.288    5.38    4      122.5       45.8
  105   0   2   5 31.053  62.105   0.288    5.35    4      164.7       82.3
  106   7   1  -3 31.064  62.129   0.288    5.34    4       83.2       21.0
  107   4   0  -6 31.102  62.204   0.289    5.33    2      383.5      222.3
  108   7   1   1 31.276  62.551   0.29     5.26    4       56.9        9.7
  109   3   1  -6 31.401  62.802   0.291    5.22    4      108.8       35.0
  110   6   0  -5 31.429  62.857   0.291    5.21    2      306.7      138.9
  111   3   3   1 31.531  63.063   0.292    5.17    4      270.3      214.3
  112   3   3  -2 31.649  63.299   0.293    5.13    4      215.9      135.6
  113   1   3  -3 31.857  63.715   0.295    5.06    4      146.1       61.2
  114   6   2   1 32.023  64.047   0.296    5.0     4      292.3      242.3
  115   4   0   5 32.112  64.223   0.297    4.97    2      326.8      150.5
  116   8   0  -1 32.145  64.291   0.297    4.96    2      375.1      197.9
  117   1   1   6 32.197  64.394   0.298    4.94    4      135.3       51.3
  118   2   0   6 32.298  64.596   0.299    4.91    2       22.6        0.7
  119   6   2  -3 32.335  64.67    0.299    4.89    4      240.8      161.0
  120   8   0  -2 32.392  64.783   0.299    4.88    2      241.2       80.5
  121   5   1   4 32.421  64.842   0.3      4.87    4      211.2      123.2
  122   1   3   3 32.636  65.271   0.301    4.8     4      153.5       64.1
  123   8   0   0 32.753  65.506   0.302    4.76    2       84.3        9.6
  124   4   2  -5 33.11   66.221   0.305    4.65    4      116.4       35.8
  125   7   1  -4 33.158  66.315   0.306    4.64    4      253.0      168.4
  126   3   3   2 33.201  66.402   0.306    4.62    4      287.4      216.7
  127   3   3  -3 33.393  66.785   0.308    4.57    4      301.6      235.7
  128   7   1   2 33.463  66.927   0.308    4.55    4      224.7      130.3
  129   8   0  -3 33.482  66.964   0.308    4.54    2      146.3       27.6
  130   2   2   5 33.51   67.02    0.309    4.53    4       49.0        6.2
  131   4   2   4 33.911  67.823   0.312    4.42    4      115.4       33.4
  132   6   2   2 34.06   68.119   0.313    4.38    4      155.4       60.1
  133   8   0   1 34.19   68.381   0.314    4.35    2      107.4       14.2
  134   2   0  -7 34.452  68.903   0.316    4.28    2        7.2        0.1
  135   5   1  -6 34.458  68.916   0.316    4.28    4       82.7       16.6
  136   6   2  -4 34.512  69.025   0.317    4.26    4       97.6       23.1
  137   6   0   4 34.544  69.088   0.317    4.26    2       62.7        4.7
  138   1   3  -4 34.678  69.357   0.318    4.22    4       25.2        1.5
  139   5   3  -1 35.081  70.163   0.321    4.13    4       32.4        2.5
  140   0   0   7 35.082  70.164   0.321    4.13    2      322.0      121.3
  141   6   0  -6 35.292  70.585   0.323    4.08    2      165.4       31.6
  142   5   3   0 35.293  70.585   0.323    4.08    4       74.9       13.0
  143   2   2  -6 35.306  70.611   0.323    4.07    4       88.8       18.2
  144   8   0  -4 35.377  70.755   0.324    4.06    2      126.6       18.4
  145   3   3   3 35.649  71.299   0.326    4.0     4      103.2       24.1
  146   1   3   4 35.673  71.346   0.326    3.99    4       71.3       11.5
  147   0   2   6 35.683  71.365   0.326    3.99    4      229.0      118.6
  148   5   3  -2 35.689  71.378   0.326    3.99    4       35.6        2.9
  149   3   3  -4 35.908  71.817   0.328    3.94    4       90.1       18.2
  150   1   1  -7 35.97   71.94    0.328    3.93    4      171.6       65.6
  151   3   1   6 35.971  71.942   0.328    3.93    4      231.4      119.2
  152   7   1  -5 36.002  72.003   0.329    3.92    4      103.1       23.6
  153   4   0  -7 36.049  72.099   0.329    3.91    2       72.1        5.8
  154   5   3   1 36.316  72.633   0.331    3.85    4       21.1        1.0
  155   7   1   3 36.395  72.789   0.332    3.84    4       36.4        2.9
  156   8   0   2 36.412  72.824   0.332    3.83    2      198.3       42.8
  157   3   1  -7 36.45   72.9     0.332    3.83    4      332.8      240.4
  158   5   1   5 36.77   73.54    0.335    3.76    4       73.7       11.6
  159   6   2   3 36.848  73.695   0.335    3.75    4       69.7       10.3
  160   5   3  -3 37.098  74.196   0.337    3.7     4        3.5        0.0
  161   4   2  -6 37.131  74.262   0.337    3.7     4      181.0       68.7
  162   4   0   6 37.162  74.323   0.338    3.69    2      170.0       30.2
  163   6   2  -5 37.431  74.863   0.34     3.64    4       53.0        5.8
  164   1   1   7 37.678  75.356   0.342    3.6     4      107.2       23.5
  165   2   0   7 37.893  75.786   0.343    3.56    2       20.0        0.4
  166   8   0  -5 38.029  76.057   0.344    3.54    2      227.3       51.9
  167   4   2   5 38.063  76.126   0.345    3.53    4      178.9       64.2
  168   8   2  -1 38.094  76.188   0.345    3.53    4      102.0       20.8
  169   5   3   2 38.127  76.254   0.345    3.52    4       56.3        6.3
  170   1   3  -5 38.196  76.392   0.346    3.51    4       98.0       19.2
  171   2   2   6 38.236  76.472   0.346    3.51    4      189.8       71.7
  172   9   1  -1 38.245  76.489   0.346    3.5     4       25.3        1.3
  173   8   2  -2 38.323  76.646   0.347    3.49    4       33.0        2.2
  174   9   1  -2 38.353  76.706   0.347    3.49    4       39.2        3.0
  175   0   4   0 38.655  77.309   0.349    3.44    2      617.8      372.5
  176   8   2   0 38.659  77.319   0.349    3.44    4       34.4        2.3
  177   3   3   4 38.822  77.643   0.35     3.42    4      231.3      103.6
  178   6   0   5 38.907  77.815   0.351    3.4     2      156.0       23.5
  179   9   1   0 38.929  77.858   0.351    3.4     4       94.3       17.1
  180   0   4   1 39.05   78.1     0.352    3.38    4       34.3        2.3
  181   5   1  -7 39.088  78.177   0.352    3.38    4       48.0        4.4
  182   3   3  -5 39.145  78.29    0.353    3.37    4      264.3      133.6
  183   9   1  -3 39.252  78.504   0.354    3.35    4      118.4       26.7
  184   5   3  -4 39.279  78.557   0.354    3.35    4       58.2        6.4
  185   8   2  -3 39.342  78.683   0.354    3.34    4      180.5       61.8
  186   8   0   3 39.372  78.744   0.355    3.34    2      211.3       42.3
  187   1   3   5 39.394  78.789   0.355    3.33    4      162.8       50.1
  188   7   1  -6 39.546  79.091   0.356    3.31    4      188.0       66.5
  189   2   4   0 39.725  79.449   0.357    3.29    4       37.2        2.6
  190   6   0  -7 39.767  79.534   0.358    3.28    2      140.6       18.4
  191   2   4  -1 39.879  79.759   0.358    3.27    4        0.3        0.0
  192   8   2   1 40.008  80.017   0.359    3.25    4      210.0       81.4
  193   7   1   4 40.021  80.043   0.359    3.25    4      241.6      107.7
  194   2   0  -8 40.226  80.452   0.361    3.23    2      114.7       12.0
  195   0   4   2 40.229  80.459   0.361    3.23    4      135.2       33.4
  196   2   2  -7 40.255  80.51    0.361    3.22    4       84.9       13.2
  197   6   2   4 40.343  80.685   0.362    3.21    4      186.4       63.4
  198   2   4   1 40.354  80.709   0.362    3.21    4       31.5        1.8
  199   9   1   1 40.394  80.788   0.362    3.21    4       92.9       15.7
  200   5   3   3 40.693  81.386   0.364    3.17    4       58.1        6.1
  201   2   4  -2 40.816  81.633   0.365    3.16    4       32.8        1.9
  202   0   2   7 40.853  81.706   0.366    3.15    4      141.9       36.0
  203   9   1  -4 40.927  81.854   0.366    3.15    4      187.5       62.7
  204   6   2  -6 41.053  82.106   0.367    3.13    4      297.1      156.9
  205   0   0   8 41.06   82.121   0.367    3.13    2      358.8      114.4
  206   8   2  -4 41.134  82.268   0.368    3.12    4       34.8        2.2
  207   7   3  -1 41.323  82.646   0.369    3.1     4        8.6        0.1
  208   8   0  -6 41.4    82.8     0.37     3.1     2       86.6        6.6
  209   3   1   7 41.483  82.967   0.37     3.09    4       64.0        7.2
  210   4   0  -8 41.511  83.023   0.37     3.09    2       17.6        0.3
  211   7   3  -2 41.665  83.33    0.372    3.07    4      269.0      126.1
  212   5   1   6 41.71   83.419   0.372    3.07    4       28.3        1.4
  213  10   0  -2 41.753  83.506   0.372    3.06    2       81.3        5.7
  214   7   3   0 41.759  83.518   0.372    3.06    4      239.3       99.5
  215   2   4   2 41.761  83.521   0.372    3.06    4       18.9        0.6
  216  10   0  -1 41.765  83.529   0.372    3.06    2      165.5       23.8
  217   4   2  -7 41.776  83.552   0.372    3.06    4       10.4        0.2
  218   1   1  -8 41.789  83.578   0.373    3.06    4      118.2       24.2
  219   3   1  -8 42.014  84.027   0.374    3.04    4        8.7        0.1
  220   8   2   2 42.124  84.248   0.375    3.03    4      225.4       87.3
  221   0   4   3 42.178  84.356   0.375    3.02    4      146.5       36.8
  222   5   3  -5 42.203  84.406   0.376    3.02    4       60.0        6.2
  223   1   3  -6 42.388  84.776   0.377    3.0     4       41.7        3.0
  224  10   0  -3 42.518  85.035   0.378    2.99    2      203.6       35.2
  225   2   4  -3 42.525  85.051   0.378    2.99    4        0.4        0.0
  226  10   0   0 42.553  85.106   0.378    2.99    2      159.4       21.5
  227   9   1   2 42.623  85.247   0.379    2.98    4       42.8        3.1
  228   3   3   5 42.694  85.389   0.379    2.98    4      110.2       20.5
  229   4   0   7 42.746  85.493   0.379    2.97    2      135.2       15.4
  230   7   3  -3 42.782  85.565   0.38     2.97    4       62.4        6.6
  231   4   4  -1 42.815  85.63    0.38     2.97    4       24.9        1.0
  232   4   2   6 42.846  85.691   0.38     2.97    4       18.1        0.6
  233   4   4   0 42.897  85.794   0.38     2.96    4       20.7        0.7
  234   7   3   1 42.97   85.94    0.381    2.96    4       23.9        1.0
  235   8   0   4 43.047  86.093   0.382    2.95    2       42.1        1.5
  236   3   3  -6 43.082  86.164   0.382    2.95    4       93.6       14.7
  237   9   1  -5 43.363  86.726   0.384    2.93    4       20.3        0.7
  238   4   4  -2 43.507  87.014   0.385    2.92    4      233.2       90.0
  239   2   2   7 43.554  87.107   0.385    2.91    4        7.7        0.1
  240   1   1   8 43.668  87.336   0.386    2.91    4      138.4       31.6
  241   8   2  -5 43.685  87.37    0.386    2.9     4      210.8       73.3
  242   4   4   1 43.753  87.506   0.387    2.9     4      256.6      108.4
  243   7   1  -7 43.78   87.56    0.387    2.9     4       87.1       12.5
  244   1   3   6 43.796  87.591   0.387    2.9     4       96.0       15.2
  245   6   0   6 43.904  87.808   0.388    2.89    2       54.4        2.4
  246   2   4   3 43.933  87.866   0.388    2.89    4       55.1        5.0
  247   2   0   8 43.993  87.987   0.388    2.88    2       66.6        3.6
  248   5   3   4 43.998  87.996   0.388    2.88    4      200.4       65.8
  249  10   0  -4 44.054  88.108   0.389    2.88    2       68.5        3.8
  250  10   0   1 44.112  88.225   0.389    2.88    2      197.2       31.7
  251   5   1  -8 44.339  88.678   0.391    2.86    4        1.9        0.0
  252   7   1   5 44.342  88.684   0.391    2.86    4       84.3       11.6
  253   6   2   5 44.542  89.084   0.392    2.85    4      336.4      183.1
  254   7   3  -4 44.669  89.338   0.393    2.85    4      239.6       92.7
  255   0   4   4 44.886  89.773   0.394    2.83    4      360.9      209.4
  256   6   0  -8 44.888  89.776   0.394    2.83    2       84.2        5.7
  257   7   3   2 44.95   89.9     0.395    2.83    4      216.6       75.4
  258   4   4  -3 44.971  89.941   0.395    2.83    4      186.2       55.7
  259   8   2   3 44.996  89.993   0.395    2.83    4      134.9       29.2
  260   2   4  -4 44.998  89.996   0.395    2.83    4        4.8        0.0


  X-ray diffraction powder data (I)...X-Ray wave length =  1.78892 (angs.):

  No   H   K   L   Theta 2*Theta    d           I int   I int.n.  I p.h.n.   H(Si)
                    ( degree )   (angstrem)     *100                         *100

    1   0   0   1   4.71    9.419 10.89387      336.8     14.7     15.0     5.6
    2   2   0   0   7.773  15.547  6.61319       71.2      3.1      3.2     5.6
    3   0   0   2   9.452  18.903  5.44694      537.6     23.5     23.9     5.6
    4   2   0   1   9.826  19.651  5.24155       79.2      3.5      3.5     5.6
    5   1   1  -1  10.571  21.142  4.87557      768.4     33.6     34.1     5.6
    6   2   0  -2  11.104  22.207  4.64453       23.4      1.0      1.0     5.6
    7   1   1   1  11.202  22.405  4.60412      784.4     34.3     34.8     5.6
    8   1   1  -2  13.161  26.321  3.92858       43.0      1.9      1.9     5.6
    9   2   0   2  13.365  26.73   3.86959       24.6      1.1      1.1     5.6
   10   0   0   3  14.26   28.52   3.63129      425.4     18.6     18.8     5.6
   11   3   1   0  14.834  29.668  3.49374      352.3     15.4     15.5     5.6
   12   3   1  -1  14.905  29.809  3.47751      567.8     24.8     25.0     5.6
   13   3   1   1  16.262  32.524  3.19419     1465.3     64.1     64.4     5.6
   14   3   1  -2  16.457  32.914  3.15738     1152.0     50.4     50.6     5.6
   15   1   1  -3  16.796  33.592  3.09535      379.0     16.6     16.6     5.7
   16   4   0  -2  16.827  33.654  3.0899       574.2     25.1     25.2     5.7
   17   4   0   1  17.265  34.53   3.01373      670.3     29.3     29.4     5.7
   18   2   0   3  17.58   35.16   2.96146       50.4      2.2      2.2     5.7
   19   1   1   3  18.026  36.052  2.89047      352.5     15.4     15.4     5.7
   20   0   2   0  18.199  36.397  2.864       1017.2     44.5     44.6     5.7
   21   0   2   1  18.84   37.68   2.76988      136.7      6.0      6.0     5.7
   22   3   1   2  18.886  37.771  2.76341      953.6     41.7     41.7     5.7
   23   3   1  -3  19.17   38.341  2.72386     2287.2    100.0    100.0     5.7
   24   4   0  -3  19.309  38.617  2.7051       282.5     12.4     12.3     5.7
   25   2   2   0  19.898  39.795  2.62813      149.5      6.5      6.5     5.7
   26   4   0   2  19.956  39.912  2.62077      173.5      7.6      7.6     5.7
   27   2   2  -1  20.134  40.268  2.59851      114.7      5.0      5.0     5.7
   28   0   2   2  20.662  41.324  2.53494      529.0     23.1     23.1     5.7
   29   2   2   1  20.848  41.696  2.51329      164.2      7.2      7.2     5.7
   30   1   1  -4  21.019  42.038  2.49376       33.8      1.5      1.5     5.7
   31   2   2  -2  21.526  43.051  2.43778       46.4      2.0      2.0     5.7
   32   5   1  -1  21.578  43.155  2.43219       32.9      1.4      1.4     5.7
   33   5   1   0  21.867  43.734  2.40155       68.9      3.0      3.0     5.7
   34   3   1   3  22.35   44.701  2.35218      147.0      6.4      6.4     5.7
   35   1   1   4  22.382  44.764  2.34902       51.0      2.2      2.2     5.7
   36   4   0  -4  22.654  45.308  2.32227      128.0      5.6      5.6     5.7
   37   3   1  -4  22.698  45.396  2.31804       64.4      2.8      2.8     5.7
   38   4   0   3  23.45   46.9    2.24768      387.6     16.9     16.8     5.7
   39   6   0  -1  23.51   47.02   2.24227      139.0      6.1      6.0     5.7
   40   6   0  -2  24.128  48.255  2.18816       87.5      3.8      3.8     5.7
   41   4   2  -1  24.295  48.591  2.17397      630.3     27.6     27.3     5.7
   42   4   2   0  24.404  48.809  2.16485      339.5     14.8     14.7     5.7
   43   4   2  -2  25.204  50.407  2.10048      200.1      8.8      8.6     5.8
   44   6   0   1  25.375  50.749  2.08726      164.5      7.2      7.1     5.8
   45   4   2   1  25.521  51.042  2.07607      183.5      8.0      7.9     5.8
   46   5   1   2  25.557  51.114  2.07334       23.3      1.0      1.0     5.8
   47   1   1  -5  25.643  51.286  2.06687       54.0      2.4      2.3     5.8
   48   6   0  -3  25.736  51.471  2.05993      161.0      7.0      6.9     5.8
   49   3   1   4  26.416  52.832  2.01054      304.2     13.3     13.1     5.8
   50   3   1  -5  26.811  53.621  1.98309      364.9     16.0     15.7     5.8
   51   0   2   4  26.95   53.9    1.97359      814.4     35.6     35.0     5.8
   52   4   2  -3  27.054  54.108  1.96657      114.0      5.0      4.9     5.8
   53   2   2  -4  27.088  54.176  1.96429      428.4     18.7     18.4     5.8
   54   4   2   2  27.557  55.113  1.93345       58.8      2.6      2.5     5.8
   55   1   3  -1  28.572  57.144  1.87023       66.0      2.9      2.8     5.8
   56   1   3   1  28.85   57.699  1.85375      105.0      4.6      4.5     5.8
   57   2   0  -6  29.097  58.194  1.83937       24.5      1.1      1.0     5.8
   58   2   2   4  29.336  58.673  1.82566      223.9      9.8      9.6     5.8
   59   0   0   6  29.514  59.029  1.81565       27.5      1.2      1.2     5.8
   60   4   2  -4  29.727  59.455  1.8038        89.5      3.9      3.8     5.8
   61   7   1  -2  29.791  59.582  1.8003       295.9     12.9     12.6     5.8
   62   7   1   0  29.899  59.799  1.79438      258.0     11.3     11.0     5.8
   63   4   2   3  30.389  60.778  1.76818      105.0      4.6      4.5     5.8
   64   6   2  -1  30.439  60.878  1.76554       80.4      3.5      3.4     5.8
   65   3   3   0  30.698  61.396  1.75209       42.5      1.9      1.8     5.8
   66   3   3  -1  30.738  61.476  1.75003       86.2      3.8      3.7     5.8
   67   6   0   3  30.793  61.587  1.74718      215.0      9.4      9.1     5.8
   68   2   2  -5  30.914  61.828  1.74103       48.2      2.1      2.0     5.8
   69   6   2  -2  30.959  61.918  1.73876      286.3     12.5     12.2     5.8
   70   0   2   5  31.053  62.105  1.73404      103.3      4.5      4.4     5.8
   71   4   0  -6  31.102  62.204  1.73155      222.3      9.7      9.4     5.8
   72   6   0  -5  31.429  62.857  1.71538      174.0      7.6      7.4     5.9
   73   3   3   1  31.531  63.063  1.71036      214.3      9.4      9.1     5.9
   74   3   3  -2  31.649  63.299  1.70464      135.6      5.9      5.7     5.9
   75   1   3  -3  31.857  63.715  1.69467       61.2      2.7      2.6     5.9
   76   6   2   1  32.023  64.047  1.68682      242.3     10.6     10.3     5.9
   77   4   0   5  32.112  64.223  1.68267      150.5      6.6      6.4     5.9
   78   8   0  -1  32.145  64.291  1.6811       197.9      8.7      8.4     5.9
   79   1   1   6  32.197  64.394  1.67869       51.3      2.2      2.2     5.9
   80   6   2  -3  32.335  64.67   1.6723       161.0      7.0      6.8     5.9
   81   5   1   4  32.421  64.842  1.66835      203.6      8.9      8.6     5.9
   82   1   3   3  32.636  65.271  1.65858       64.1      2.8      2.7     5.9
   83   4   2  -5  33.11   66.221  1.63744       35.8      1.6      1.5     5.9
   84   7   1  -4  33.158  66.315  1.63538      168.4      7.4      7.1     5.9
   85   3   3   2  33.201  66.402  1.63347      216.7      9.5      9.1     5.9
   86   3   3  -3  33.393  66.785  1.62519      235.7     10.3      9.9     5.9
   87   7   1   2  33.463  66.927  1.62215      157.9      6.9      6.7     5.9
   88   4   2   4  33.911  67.823  1.60324       33.4      1.5      1.4     5.9
   89   6   2   2  34.06   68.119  1.59709       60.1      2.6      2.5     5.9
   90   6   2  -4  34.512  69.025  1.57869       23.1      1.0      1.0     5.9
   91   0   0   7  35.082  70.164  1.55627      123.8      5.4      5.2     5.9
   92   6   0  -6  35.292  70.585  1.54818       62.8      2.7      2.6     5.9
   93   3   3   3  35.649  71.299  1.53471       35.6      1.6      1.5     5.9
   94   0   2   6  35.683  71.365  1.53346      121.5      5.3      5.1     5.9
   95   3   1   6  35.971  71.942  1.52281      184.8      8.1      7.7     5.9
   96   7   1  -5  36.002  72.003  1.52168       23.6      1.0      1.0     5.9
   97   8   0   2  36.412  72.824  1.50686       45.7      2.0      1.9     6.0
   98   3   1  -7  36.45   72.9    1.50552      240.4     10.5     10.0     6.0
   99   4   2  -6  37.131  74.262  1.48178       68.7      3.0      2.9     6.0
  100   4   0   6  37.162  74.323  1.48073       30.2      1.3      1.3     6.0
  101   1   1   7  37.678  75.356  1.4634        23.5      1.0      1.0     6.0
  102   8   0  -5  38.029  76.057  1.45192       51.9      2.3      2.1     6.0
  103   4   2   5  38.063  76.126  1.4508        64.2      2.8      2.7     6.0
  104   2   2   6  38.236  76.472  1.44524       72.9      3.2      3.0     6.0
  105   0   4   0  38.655  77.309  1.432        374.8     16.4     15.5     6.0
  106   3   3   4  38.822  77.643  1.4268       103.6      4.5      4.3     6.0
  107   6   0   5  38.907  77.815  1.42415       40.6      1.8      1.7     6.0
  108   3   3  -5  39.145  78.29   1.41689      133.6      5.8      5.5     6.0
  109   9   1  -3  39.252  78.504  1.41365       33.1      1.4      1.4     6.0
  110   8   2  -3  39.342  78.683  1.41095       61.8      2.7      2.5     6.0
  111   1   3   5  39.394  78.789  1.40936       92.4      4.0      3.8     6.0
  112   7   1  -6  39.546  79.091  1.40485       66.5      2.9      2.7     6.0
  113   7   1   4  40.021  80.043  1.39091      189.1      8.3      7.8     6.0
  114   2   2  -7  40.255  80.51   1.3842        58.7      2.6      2.4     6.1
  115   6   2   4  40.343  80.685  1.38171       65.2      2.8      2.7     6.1
  116   0   2   7  40.853  81.706  1.36743       36.0      1.6      1.5     6.1
  117   9   1  -4  40.927  81.854  1.36538       62.7      2.7      2.6     6.1
  118   6   2  -6  41.053  82.106  1.36193      271.2     11.9     11.1     6.1
  119   7   3  -2  41.665  83.33   1.34551      126.1      5.5      5.1     6.1
  120  10   0  -1  41.765  83.529  1.34288      154.0      6.7      6.3     6.1
  121   8   2   2  42.124  84.248  1.33355       87.3      3.8      3.5     6.1
  122   0   4   3  42.178  84.356  1.33216       43.0      1.9      1.7     6.1
  123  10   0  -3  42.518  85.035  1.32352       35.2      1.5      1.4     6.1
  124   4   4  -2  43.507  87.014  1.29925       90.0      3.9      3.6     6.1
  125   8   2  -5  43.685  87.37   1.29501      104.8      4.6      4.2     6.2
  126   4   4   1  43.753  87.506  1.29341      120.9      5.3      4.9     6.2
  127   5   3   4  43.998  87.996  1.28767       69.4      3.0      2.8     6.2
  128  10   0   1  44.112  88.225  1.28502       31.7      1.4      1.3     6.2
  129   6   2   5  44.542  89.084  1.2752       183.1      8.0      7.3     6.2
  130   7   3  -4  44.669  89.338  1.27233       92.7      4.1      3.7     6.2
  131   0   4   4  44.886  89.773  1.26747      215.1      9.4      8.6     6.2
  132   7   3   2  44.95   89.9    1.26607      131.0      5.7      5.2     6.2
  133   8   2   3  44.996  89.993  1.26504       29.2      1.3      1.2     6.2

Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)