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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YAVAPAIITE

1

KFe[SO(4)](2)


Monoclinic  C 2/m  Z = 2

R =0.032          NR =530

7 .5 .1991

Ref.Str.:

         Graeber E.J., Rosenzweig A. (1971)

         * Amer. Mineral., 56, 1917-1933

Reserv:

         See U(ij) in the original

                   Initial data from BDM-file 

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

             a =   8.152    alpha =   90.0 
             b =   5.153    beta  =   94.9 
             c =   7.877    gamma =   90.0 

    Unit cell volume (cub. angs.) =   329.68

    Molar volume ( cub.cm/mol.) =    99.29

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

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

   1 0.0     0.0     0.0      0.67   Fe    = 1.00
   2 0.0     0.0     0.5      1.67   K     = 1.00
   3 0.3701  0.0     0.202    0.56   S     = 1.00
   4 0.2371  0.0     0.0626   1.08   O     = 1.00
   5 0.3128  0.0     0.3702   1.76   O     = 1.00
   6 0.4741  0.2325  0.1807   1.22   O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.0        0.0   
     2       2     0.0        0.0        0.5   
     3       3     0.3701     0.0        0.202 
     4       4     0.2371     0.0        0.0626
     5       5     0.3128     0.0        0.3702
     6       6     0.4741     0.2325     0.1807
     7       3     0.6299     0.0        0.798 
     8       4     0.7629     0.0        0.9374
     9       5     0.6872     0.0        0.6298
    10       6     0.5259     0.7675     0.8193
    11       6     0.4741     0.7675     0.1807
    12       6     0.5259     0.2325     0.8193
    13       1     0.5        0.5        0.0   
    14       2     0.5        0.5        0.5   
    15       3     0.8701     0.5        0.202 
    16       4     0.7371     0.5        0.0626
    17       5     0.8128     0.5        0.3702
    18       6     0.9741     0.2675     0.1807
    19       3     0.1299     0.5        0.798 
    20       4     0.2629     0.5        0.9374
    21       5     0.1872     0.5        0.6298
    22       6     0.0259     0.7325     0.8193
    23       6     0.9741     0.7325     0.1807
    24       6     0.0259     0.2675     0.8193


X-ray density (g/cm cub.)   =      2.89

MU (1/cm) =     225.105    Mass attenuation coefficient (cm**2/g) =     77.871

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

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

    1    Fe                  2.592        6
                                                 1.9535       4
                                                 1.9535       4
                                                 2.0055       6
                                                 2.0055       6
                                                 2.0055       6
                                                 2.0055       6
    2    K                   3.228       10
                                                 2.8272       5
                                                 2.8272       5
                                                 3.1219       5
                                                 3.1219       5
                                                 2.86         6
                                                 3.1219       5
                                                 3.1219       5
                                                 2.86         6
                                                 2.86         6
                                                 2.86         6
    3    S                   1.98         4
                                                 1.4758       4
                                                 1.442        5
                                                 1.4855       6
                                                 1.4855       6
    4    O                   3.264        9
                                                 2.4487       5
                                                 2.393        6
                                                 2.393        6
                                                 2.7754       6
                                                 2.7732       4
                                                 2.7732       4
                                                 2.8237       6
                                                 2.7754       6
                                                 2.8237       6
    5    O                   3.264        3
                                                 2.4487       4
                                                 2.3933       6
                                                 2.3933       6
    6    O                   3.264        7
                                                 2.393        4
                                                 2.3933       5
                                                 2.7569       6
                                                 2.3961       6
                                                 2.9134       6
                                                 2.7754       4
                                                 2.8237       4

  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  6.544  13.088   0.064  151.01    2       65.4     1190.0
    2   1   1   0 11.863  23.725   0.115   44.45    4       26.1      111.6
    3   2   0   0 12.724  25.447   0.123   38.36    2       78.8      438.5
    4   0   0   2 13.176  26.352   0.127   35.64    2       15.2       15.2
    5   1   1  -1 13.323  26.646   0.129   34.81    4       75.1      723.1
    6   2   0  -1 13.839  27.677   0.134   32.12    2       54.2      173.6
    7   1   1   1 13.861  27.722   0.134   32.01    4       54.9      355.2
    8   2   0   1 14.862  29.724   0.143   27.59    2       96.7      474.6
    9   1   1  -2 17.45   34.9     0.168   19.5     4      117.1      983.9
   10   2   0  -2 17.646  35.292   0.169   19.03    2        8.1        2.3
   11   1   1   2 18.291  36.583   0.175   17.59    4       84.5      462.4
   12   2   0   2 19.282  38.564   0.185   15.66    2       45.3       59.1
   13   0   0   3 19.993  39.987   0.191   14.45    2       39.1       40.7
   14   0   2   0 20.314  40.628   0.194   13.94    2      110.5      313.2
   15   0   2   1 21.432  42.863   0.204   12.37    4       14.2        9.2
   16   3   1   0 21.913  43.826   0.209   11.77    4      105.8      485.0
   17   3   1  -1 22.45   44.901   0.213   11.14    4       18.4       13.9
   18   2   0  -3 22.99   45.98    0.218   10.56    2       16.5        5.3
   19   1   1  -3 23.005  46.009   0.218   10.54    4       46.0       82.0
   20   3   1   1 23.476  46.953   0.223   10.07    4        9.8        3.5
   21   1   1   3 24.012  48.024   0.227    9.57    4       23.4       19.3
   22   2   2   0 24.276  48.552   0.23     9.33    4       10.1        3.5
   23   0   2   2 24.538  49.077   0.232    9.11    4       63.4      134.6
   24   2   2  -1 24.935  49.869   0.236    8.78    4       46.1       68.7
   25   2   0   3 24.975  49.951   0.236    8.75    2       58.4       54.9
   26   3   1  -2 24.982  49.965   0.236    8.74    4       42.0       56.9
   27   2   2   1 25.571  51.143   0.241    8.29    4       24.7       18.7
   28   4   0   0 26.136  52.272   0.246    7.89    2       65.4       62.1
   29   4   0  -1 26.454  52.908   0.249    7.68    2       24.9        8.8
   30   3   1   2 26.858  53.715   0.253    7.42    4       21.6       12.8
   31   0   0   4 27.122  54.243   0.255    7.25    2       47.4       30.0
   32   2   2  -2 27.444  54.888   0.258    7.06    4       68.1      120.3
   33   4   0   1 27.667  55.334   0.26     6.93    2       33.3       14.2
   34   4   0  -2 28.579  57.159   0.267    6.44    2       46.5       25.6
   35   2   2   2 28.628  57.257   0.268    6.41    4       65.1      100.0
   36   3   1  -3 29.124  58.249   0.272    6.17    4       29.9       20.3
   37   0   2   3 29.161  58.321   0.272    6.15    4       33.4       25.3
   38   2   0  -4 29.279  58.558   0.273    6.1     2      104.4      122.4
   39   1   1  -4 29.435  58.87    0.275    6.03    4       44.3       43.5
   40   1   1   4 30.57   61.139   0.284    5.54    4       57.5       67.3
   41   4   0   2 30.863  61.725   0.287    5.42    2      105.8      111.7
   42   2   2  -3 31.504  63.008   0.292    5.18    4       42.6       34.7
   43   2   0   4 31.531  63.062   0.292    5.17    2       12.6        1.5
   44   3   1   3 31.659  63.318   0.293    5.12    4       34.6       22.5
   45   1   3   0 32.158  64.316   0.298    4.95    4       32.3       19.1
   46   4   0  -3 32.28   64.56    0.299    4.91    2       28.9        7.5
   47   1   3  -1 32.844  65.688   0.303    4.73    4       51.5       46.2
   48   1   3   1 33.113  66.226   0.305    4.65    4       22.8        8.9
   49   2   2   3 33.136  66.271   0.306    4.64    4       12.4        2.6
   50   4   2   0 34.115  68.23    0.314    4.37    4        7.1        0.8
   51   4   2  -1 34.387  68.774   0.316    4.3     4       32.4       16.6
   52   3   1  -4 34.534  69.069   0.317    4.26    4       10.6        1.8
   53   0   0   5 34.74   69.479   0.319    4.21    2       70.2       38.1
   54   0   2   4 34.961  69.922   0.32     4.15    4       51.3       40.3
   55   1   3  -2 35.12   70.241   0.322    4.12    4       72.2       79.0
   56   5   1   0 35.264  70.527   0.323    4.08    4       58.6       51.6
   57   5   1  -1 35.401  70.803   0.324    4.05    4        7.9        0.9
   58   4   2   1 35.434  70.868   0.324    4.04    4       19.8        5.8
   59   4   0   3 35.467  70.934   0.324    4.04    2       16.5        2.0
   60   1   3   2 35.641  71.282   0.326    4.0     4       50.8       37.9
   61   4   2  -2 36.233  72.466   0.33     3.87    4       93.7      125.0
   62   2   0  -5 36.379  72.758   0.332    3.84    2       41.9       12.4
   63   1   1  -5 36.647  73.294   0.334    3.79    4       11.1        1.7
   64   5   1   1 36.692  73.385   0.334    3.78    4       51.1       36.4
   65   2   2  -4 36.852  73.704   0.335    3.75    4       80.9       90.2
   66   5   1  -2 37.098  74.197   0.337    3.7     4       35.5       17.2
   67   4   0  -4 37.32   74.64    0.339    3.66    2       39.6       10.6
   68   3   1   4 37.633  75.266   0.341    3.61    4       76.6       78.0
   69   1   1   5 37.921  75.843   0.344    3.56    4       19.0        4.7
   70   3   3   0 38.076  76.151   0.345    3.53    4       83.8       91.2
   71   4   2   2 38.273  76.546   0.346    3.5     4       91.9      108.7
   72   3   3  -1 38.462  76.924   0.348    3.47    4       20.2        5.2
   73   1   3  -3 38.867  77.733   0.351    3.41    4       22.5        6.4
   74   2   2   4 38.881  77.762   0.351    3.41    4       32.3       13.1
   75   2   0   5 38.92   77.84    0.351    3.4     2       17.9        2.0
   76   3   3   1 39.216  78.433   0.353    3.36    4        3.9        0.2
   77   4   2  -3 39.566  79.133   0.356    3.31    4       55.3       37.3
   78   1   3   3 39.619  79.238   0.356    3.3     4       14.5        2.6
   79   5   1   2 39.624  79.248   0.356    3.3     4       34.2       14.2
   80   5   1  -3 40.284  80.568   0.361    3.22    4       15.4        2.8
   81   3   3  -2 40.362  80.725   0.362    3.21    4       21.0        5.2
   82   3   1  -5 41.083  82.166   0.367    3.13    4       33.4       12.8
   83   4   0   4 41.333  82.666   0.369    3.1     2       20.9        2.5
   84   6   0   0 41.357  82.714   0.369    3.1     2       57.4       18.8
   85   6   0  -1 41.364  82.729   0.369    3.1     2       12.6        0.9
   86   3   3   2 41.85   83.701   0.373    3.05    4       11.6        1.5
   87   0   2   5 41.857  83.713   0.373    3.05    4       25.6        7.4
   88   4   2   3 42.544  85.089   0.378    2.99    4       57.2       36.0
   89   6   0   1 42.846  85.693   0.38     2.97    2        4.5        0.1
   90   6   0  -2 42.868  85.735   0.38     2.96    2       34.9        6.6
   91   0   0   6 43.143  86.286   0.382    2.94    2       60.0       19.5
   92   2   2  -5 43.413  86.826   0.384    2.92    4        4.9        0.3
   93   4   0  -5 43.618  87.236   0.386    2.91    2       11.6        0.7
   94   3   3  -3 43.735  87.47    0.386    2.9     4       29.1        9.0
   95   0   4   0 43.973  87.946   0.388    2.89    2      108.1       62.1
   96   5   1   3 43.99   87.981   0.388    2.88    4       26.8        7.6
   97   1   3  -4 44.0    88.0     0.388    2.88    4       28.0        8.3
   98   4   2  -4 44.317  88.634   0.391    2.87    4       14.6        2.3
   99   2   0  -6 44.449  88.899   0.391    2.86    2       25.1        3.3
  100   0   4   1 44.718  89.435   0.393    2.84    4       30.7        9.8
  101   3   1   5 44.78   89.561   0.394    2.84    4       43.7       20.0
  102   1   1  -6 44.828  89.656   0.394    2.84    4       67.9       48.2
  103   5   1  -4 44.9    89.801   0.395    2.83    4       83.4       72.6
  104   1   3   4 44.983  89.966   0.395    2.83    4       42.0       18.3


  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   6.544  13.088  7.84821     1190.0    100.0    100.0     5.6
    2   1   1   0  11.863  23.725  4.35119      111.6      9.4      9.3     5.6
    3   2   0   0  12.724  25.447  4.0611       438.5     36.8     36.5     5.6
    4   0   0   2  13.176  26.352  3.92411       15.2      1.3      1.3     5.6
    5   1   1  -1  13.323  26.646  3.88153      723.1     60.8     60.2     5.6
    6   1   1   1  13.861  27.722  3.7337       528.8     44.4     44.0     5.6
    7   2   0   1  14.862  29.724  3.48729      474.6     39.9     39.4     5.6
    8   1   1  -2  17.45   34.9    2.98276      983.9     82.7     81.4     5.7
    9   1   1   2  18.291  36.583  2.84995      462.4     38.9     38.2     5.7
   10   2   0   2  19.282  38.564  2.7087        59.1      5.0      4.9     5.7
   11   0   0   3  19.993  39.987  2.61607       40.7      3.4      3.4     5.7
   12   0   2   0  20.314  40.628  2.5765       313.2     26.3     25.8     5.7
   13   3   1   0  21.913  43.826  2.39673      485.0     40.8     39.7     5.7
   14   3   1  -1  22.45   44.901  2.34223       13.9      1.2      1.1     5.7
   15   1   1  -3  23.005  46.009  2.28877       87.3      7.3      7.1     5.7
   16   1   1   3  24.012  48.024  2.19807       19.3      1.6      1.6     5.7
   17   0   2   2  24.538  49.077  2.15375      134.6     11.3     11.0     5.7
   18   2   2  -1  24.935  49.869  2.12167       68.7      5.8      5.6     5.7
   19   3   1  -2  24.982  49.965  2.11787      111.7      9.4      9.1     5.7
   20   2   2   1  25.571  51.143  2.07226       18.7      1.6      1.5     5.8
   21   4   0   0  26.136  52.272  2.03055       62.1      5.2      5.0     5.8
   22   3   1   2  26.858  53.715  1.97988       12.8      1.1      1.0     5.8
   23   0   0   4  27.122  54.243  1.96205       30.0      2.5      2.4     5.8
   24   2   2  -2  27.444  54.888  1.94076      120.3     10.1      9.7     5.8
   25   4   0   1  27.667  55.334  1.92633       14.2      1.2      1.1     5.8
   26   4   0  -2  28.579  57.159  1.86978       25.6      2.2      2.1     5.8
   27   2   2   2  28.628  57.257  1.86685      100.0      8.4      8.1     5.8
   28   3   1  -3  29.124  58.249  1.83778       20.3      1.7      1.6     5.8
   29   0   2   3  29.161  58.321  1.83569       25.3      2.1      2.0     5.8
   30   2   0  -4  29.279  58.558  1.82892      122.4     10.3      9.8     5.8
   31   1   1  -4  29.435  58.87   1.8201        43.5      3.7      3.5     5.8
   32   1   1   4  30.57   61.139  1.75872       67.3      5.7      5.4     5.8
   33   4   0   2  30.863  61.725  1.74365      111.7      9.4      8.9     5.8
   34   2   2  -3  31.504  63.008  1.71169       36.2      3.0      2.9     5.9
   35   3   1   3  31.659  63.318  1.70419       22.5      1.9      1.8     5.9
   36   1   3   0  32.158  64.316  1.6805        19.1      1.6      1.5     5.9
   37   1   3  -1  32.844  65.688  1.64923       46.2      3.9      3.7     5.9
   38   4   2  -1  34.387  68.774  1.58374       16.6      1.4      1.3     5.9
   39   0   0   5  34.74   69.479  1.56964       38.1      3.2      3.0     5.9
   40   0   2   4  34.961  69.922  1.56097       40.3      3.4      3.2     5.9
   41   1   3  -2  35.12   70.241  1.55478       79.0      6.6      6.2     5.9
   42   5   1   0  35.264  70.527  1.54928       51.6      4.3      4.1     5.9
   43   1   3   2  35.641  71.282  1.53502       37.9      3.2      3.0     5.9
   44   4   2  -2  36.233  72.466  1.51329      125.0     10.5      9.8     5.9
   45   2   0  -5  36.379  72.758  1.50805       12.4      1.0      1.0     6.0
   46   5   1   1  36.692  73.385  1.49696       36.4      3.1      2.9     6.0
   47   2   2  -4  36.852  73.704  1.49138       90.2      7.6      7.1     6.0
   48   5   1  -2  37.098  74.197  1.48289       17.2      1.4      1.3     6.0
   49   3   1   4  37.633  75.266  1.46488       78.0      6.6      6.1     6.0
   50   3   3   0  38.076  76.151  1.4504        91.2      7.7      7.1     6.0
   51   4   2   2  38.273  76.546  1.44405      108.7      9.1      8.5     6.0
   52   2   2   4  38.881  77.762  1.42497       19.4      1.6      1.5     6.0
   53   4   2  -3  39.566  79.133  1.40424       37.3      3.1      2.9     6.0
   54   5   1   2  39.624  79.248  1.40254       16.8      1.4      1.3     6.0
   55   3   1  -5  41.083  82.166  1.36112       12.8      1.1      1.0     6.1
   56   6   0   0  41.357  82.714  1.3537        21.3      1.8      1.6     6.1
   57   4   2   3  42.544  85.089  1.32285       36.0      3.0      2.8     6.1
   58   0   0   6  43.143  86.286  1.30804       19.5      1.6      1.5     6.1
   59   0   4   0  43.973  87.946  1.28825       78.0      6.6      5.9     6.2
   60   3   1   5  44.78   89.561  1.26983       20.0      1.7      1.5     6.2
   61   1   1  -6  44.828  89.656  1.26877       48.2      4.0      3.6     6.2
   62   5   1  -4  44.9    89.801  1.26716       72.6      6.1      5.5     6.2
   63   1   3   4  44.983  89.966  1.26533       18.3      1.5      1.4     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)