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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SHCHERBINAITE

4, syn, f-shcherbinaite

V(2)O(5)


Orthorhombic  * Pmmn  Z = 2

*Pmmn

25 .8 .10

Ref.Str.:

         Shklover V., Haibach T., Ried F. et al. (1996)

         * J. Solid State Chem., 123, 317-323

         R: N.A.D.

                   Initial data from BDM-file 

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

             a =  11.544    alpha =   90.0 
             b =   3.571    beta  =   90.0 
             c =   4.383    gamma =   90.0 

    Unit cell volume (cub. angs.) =   180.68

    Molar volume ( cub.cm/mol.) =    54.42

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

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

   1 0.6012  0.25    0.1086   0.0    V     = 1.00
   2 0.4319  0.25    0.9972   0.0    O     = 1.00
   3 0.6045  0.25    0.4697   0.0    O     = 1.00
   4 0.75    0.25    0.0008   0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.6012     0.25       0.1086
     2       2     0.4319     0.25       0.9972
     3       3     0.6045     0.25       0.4697
     4       4     0.75       0.25       0.0008
     5       1     0.8988     0.25       0.1086
     6       2     0.0681     0.25       0.9972
     7       3     0.8955     0.25       0.4697
     8       1     0.1012     0.75       0.8914
     9       2     0.9319     0.75       0.0028
    10       3     0.1045     0.75       0.5303
    11       4     0.25       0.75       0.9992
    12       1     0.3988     0.75       0.8914
    13       2     0.5681     0.75       0.0028
    14       3     0.3955     0.75       0.5303


X-ray density (g/cm cub.)   =      3.34

MU (1/cm) =     453.092    Mass attenuation coefficient (cm**2/g) =    135.578

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

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

    1    V                   2.496        5
                                                 2.0148       2
                                                 1.5832       3
                                                 1.7812       4
                                                 1.884        2
                                                 1.884        2
    2    O                   3.264       10
                                                 2.8738       3
                                                 3.0521       3
                                                 2.7564       4
                                                 2.7564       4
                                                 2.3792       2
                                                 2.3792       2
                                                 2.9706       3
                                                 2.7482       3
                                                 2.9706       3
                                                 2.7482       3
    3    O                   3.264       10
                                                 3.0521       2
                                                 2.8738       2
                                                 2.8705       4
                                                 2.6542       4
                                                 2.9706       2
                                                 2.7482       2
                                                 2.9706       2
                                                 2.7482       2
                                                 3.0132       3
                                                 3.0132       3
    4    O                   3.264        8
                                                 2.6542       3
                                                 2.8705       3
                                                 2.6542       3
                                                 2.8705       3
                                                 2.7564       2
                                                 2.7564       2
                                                 2.7564       2
                                                 2.7564       2

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.54056(angs.):

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

    1   2   0   0  7.669  15.338   0.087  109.35    2       33.1      733.0
    2   0   0   1 10.122  20.244   0.114   61.84    2       67.9     1744.6
    3   1   0   1 10.835  21.67    0.122   53.7     4       28.9      550.8
    4   2   0   1 12.748  25.497   0.143   38.21    4       12.7       75.0
    5   1   1   0 13.049  26.099   0.147   36.37    4       57.6     1480.2
    6   3   0   1 15.449  30.897   0.173   25.39    4       43.0      575.9
    7   4   0   0 15.48   30.96    0.173   25.28    2       65.8      671.4
    8   0   1   1 16.155  32.31    0.181   23.06    4       44.6      561.1
    9   1   1   1 16.626  33.252   0.186   21.66    8       17.2      157.2
   10   3   1   0 17.114  34.228   0.191   20.34    4       47.3      557.1
   11   2   1   1 17.974  35.948   0.2     18.28    8       12.4       69.1
   12   4   0   1 18.637  37.273   0.207   16.88    4       13.0       35.1
   13   3   1   1 20.045  40.09    0.222   14.36    8        5.2        9.6
   14   0   0   2 20.578  41.156   0.228   13.55    2       63.0      329.3
   15   1   0   2 20.963  41.926   0.232   13.0     4       30.9      152.5
   16   2   0   2 22.084  44.168   0.244   11.56    4       11.4       18.3
   17   5   0   1 22.153  44.306   0.245   11.48    4        1.6        0.4
   18   4   1   1 22.678  45.356   0.25    10.89    8       34.0      307.8
   19   5   1   0 23.409  46.817   0.258   10.14    4       11.4       16.2
   20   6   0   0 23.6    47.201   0.26     9.95    2       84.0      430.1
   21   3   0   2 23.859  47.718   0.263    9.71    4       47.9      273.0
   22   0   1   2 24.355  48.711   0.268    9.26    4       49.2      274.7
   23   1   1   2 24.693  49.386   0.271    8.98    8       18.8       78.0
   24   0   2   0 25.557  51.114   0.28     8.3     2      100.9      517.9
   25   2   1   2 25.687  51.373   0.281    8.21    8       14.2       40.3
   26   5   1   1 25.748  51.497   0.282    8.16    8        5.3        5.6
   27   6   0   1 25.927  51.854   0.284    8.04    4       45.6      204.9
   28   4   0   2 26.189  52.378   0.286    7.85    4       17.3       28.7
   29   2   2   0 26.845  53.69    0.293    7.42    4       23.3       49.5
   30   3   1   2 27.285  54.569   0.298    7.15    8        0.6        0.1
   31   0   2   1 27.764  55.528   0.302    6.88    4       51.1      219.9
   32   1   2   1 28.072  56.145   0.305    6.71    8       22.5       83.1
   33   2   2   1 28.984  57.969   0.315    6.24    8       10.8       17.8
   34   5   0   2 28.987  57.974   0.315    6.24    4        0.7        0.0
   35   6   1   1 29.179  58.358   0.316    6.14    8       28.3      120.5
   36   4   1   2 29.421  58.843   0.319    6.03    8       38.0      213.7
   37   7   0   1 29.937  59.874   0.324    5.8     4       35.2       87.9
   38   3   2   1 30.466  60.931   0.329    5.58    8       34.1      159.0
   39   4   2   0 30.484  60.968   0.329    5.57    4       51.1      178.3
   40   7   1   0 30.963  61.926   0.334    5.38    4       74.7      368.2
   41   0   0   3 31.818  63.637   0.342    5.07    2       14.0        6.1
   42   5   1   2 32.036  64.072   0.344    4.99    8        7.2        6.4
   43   1   0   3 32.102  64.205   0.345    4.97    4       32.2       63.0
   44   6   0   2 32.192  64.383   0.346    4.94    4       36.7       81.4
   45   8   0   0 32.263  64.526   0.347    4.92    2       19.5       11.4
   46   4   2   1 32.471  64.942   0.348    4.85    8       15.3       27.9
   47   7   1   1 32.934  65.868   0.353    4.7     8       33.2      127.0
   48   2   0   3 32.946  65.893   0.353    4.7     4        7.6        3.4
   49   0   2   2 33.812  67.624   0.361    4.45    4       43.4      102.7
   50   1   2   2 34.087  68.174   0.364    4.38    8       26.0       72.2
   51   8   0   1 34.194  68.387   0.365    4.35    4        1.0        0.1
   52   3   0   3 34.329  68.659   0.366    4.31    4       48.6      124.9
   53   0   1   3 34.726  69.451   0.37     4.21    4       50.1      129.6
   54   2   2   2 34.907  69.814   0.371    4.17    8        8.1        6.8
   55   5   2   1 34.958  69.917   0.372    4.15    8        1.3        0.2
   56   1   1   3 34.998  69.995   0.372    4.15    8       18.9       36.5
   57   6   1   2 35.083  70.166   0.373    4.12    8       33.5      113.1
   58   7   0   2 35.772  71.543   0.379    3.97    4       40.7       80.7
   59   2   1   3 35.808  71.616   0.38     3.96    8       13.8       18.5
   60   6   2   0 36.054  72.109   0.382    3.91    4       63.7      194.0
   61   4   0   3 36.224  72.447   0.384    3.87    4       32.1       48.9
   62   3   2   2 36.255  72.509   0.384    3.87    8       40.1      152.3
   63   8   1   1 37.011  74.021   0.391    3.72    8       12.4       14.0
   64   3   1   3 37.142  74.284   0.392    3.69    8       48.3      211.3
   65   6   2   1 37.896  75.792   0.399    3.56    8       36.2      114.5
   66   4   2   2 38.109  76.219   0.401    3.53    8       13.3       15.3
   67   7   1   2 38.542  77.083   0.404    3.46    8       28.1       66.7
   68   5   0   3 38.603  77.206   0.405    3.45    4        1.9        0.1
   69   9   0   1 38.735  77.47    0.406    3.43    4       16.3       11.1
   70   4   1   3 38.982  77.964   0.408    3.39    8       39.1      126.8
   71   9   1   0 39.65   79.3     0.414    3.3     4       14.7        8.8
   72   8   0   2 39.727  79.454   0.415    3.29    4        3.6        0.5
   73   5   2   2 40.452  80.905   0.421    3.2     8        0.7        0.0
   74   1   3   0 40.583  81.165   0.422    3.18    4       34.5       46.5
   75   7   2   1 41.275  82.549   0.428    3.11    8       29.0       64.3
   76   5   1   3 41.312  82.623   0.429    3.11    8        1.7        0.2
   77   9   1   1 41.441  82.883   0.43     3.09    8        1.1        0.1
   78   6   0   3 41.453  82.906   0.43     3.09    4        7.3        2.0
   79  10   0   0 41.856  83.711   0.433    3.05    2       44.1       36.4
   80   0   3   1 42.11   84.219   0.435    3.03    4       29.5       32.2
   81   1   3   1 42.366  84.732   0.437    3.01    8       14.3       15.2
   82   8   1   2 42.419  84.838   0.438    3.0     8       13.9       14.3
   83   3   3   0 42.638  85.276   0.44     2.98    4       34.9       44.6
   84   0   2   3 42.94   85.881   0.442    2.96    4       12.6        5.7
   85   2   3   1 43.134  86.267   0.444    2.94    8        8.4        5.0
   86   1   2   3 43.196  86.392   0.444    2.94    8       26.6       50.9
   87   6   2   2 43.277  86.553   0.445    2.93    8       28.4       58.1
   88   8   2   0 43.341  86.682   0.446    2.93    4       16.3        9.6
   89  10   0   1 43.631  87.262   0.448    2.91    4       13.0        6.0
   90   2   2   3 43.962  87.925   0.451    2.89    8        6.4        2.9
   91   9   0   2 44.093  88.187   0.452    2.88    4       20.8       15.2
   92   6   1   3 44.128  88.256   0.452    2.88    8       33.1       77.1
   93   3   3   1 44.41   88.821   0.454    2.86    8        5.8        2.4
   94   0   0   4 44.666  89.332   0.456    2.85    2       15.1        4.0
   95   7   0   3 44.778  89.557   0.457    2.84    4       41.8       60.6
   96   1   0   4 44.921  89.842   0.458    2.83    4        6.0        1.2


  X-ray diffraction powder data (I)...X-Ray wave length =  1.54056 (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   2   0   0   7.669  15.338  5.772        733.0     42.0     42.2     5.6
    2   0   0   1  10.122  20.244  4.383       1744.6    100.0    100.0     5.6
    3   1   0   1  10.835  21.67   4.09759      550.8     31.6     31.5     5.6
    4   2   0   1  12.748  25.497  3.49066       75.0      4.3      4.3     5.6
    5   1   1   0  13.049  26.099  3.4115      1480.2     84.8     84.5     5.6
    6   3   0   1  15.449  30.897  2.8917       575.9     33.0     32.7     5.6
    7   4   0   0  15.48   30.96   2.886        671.4     38.5     38.2     5.6
    8   0   1   1  16.155  32.31   2.76847      561.1     32.2     31.9     5.6
    9   1   1   1  16.626  33.252  2.69213      157.2      9.0      8.9     5.6
   10   3   1   0  17.114  34.228  2.61753      557.1     31.9     31.6     5.7
   11   2   1   1  17.974  35.948  2.49619       69.1      4.0      3.9     5.7
   12   4   0   1  18.637  37.273  2.4104        35.1      2.0      2.0     5.7
   13   0   0   2  20.578  41.156  2.1915       329.3     18.9     18.5     5.7
   14   1   0   2  20.963  41.926  2.15305      152.5      8.7      8.6     5.7
   15   2   0   2  22.084  44.168  2.0488        18.3      1.0      1.0     5.7
   16   4   1   1  22.678  45.356  1.99786      307.8     17.6     17.3     5.7
   17   6   0   0  23.6    47.201  1.924        430.1     24.7     24.1     5.7
   18   3   0   2  23.859  47.718  1.90432      273.0     15.6     15.3     5.7
   19   0   1   2  24.355  48.711  1.86782      274.7     15.7     15.3     5.7
   20   1   1   2  24.693  49.386  1.84384       78.0      4.5      4.4     5.7
   21   0   2   0  25.557  51.114  1.7855       517.9     29.7     28.8     5.8
   22   2   1   2  25.687  51.373  1.77709       40.3      2.3      2.2     5.8
   23   6   0   1  25.927  51.854  1.76174      204.9     11.7     11.4     5.8
   24   4   0   2  26.189  52.378  1.74533       28.7      1.6      1.6     5.8
   25   2   2   0  26.845  53.69   1.70575       49.5      2.8      2.7     5.8
   26   0   2   1  27.764  55.528  1.65356      219.9     12.6     12.2     5.8
   27   1   2   1  28.072  56.145  1.63685       83.1      4.8      4.6     5.8
   28   2   2   1  28.984  57.969  1.58962       17.8      1.0      1.0     5.8
   29   6   1   1  29.179  58.358  1.57993      120.5      6.9      6.6     5.8
   30   4   1   2  29.421  58.843  1.56806      213.7     12.3     11.8     5.8
   31   7   0   1  29.937  59.874  1.5435        87.9      5.0      4.8     5.8
   32   4   2   0  30.484  60.968  1.5184       337.3     19.3     18.5     5.8
   33   7   1   0  30.963  61.926  1.4972       368.2     21.1     20.2     5.8
   34   1   0   3  32.102  64.205  1.44944       63.0      3.6      3.4     5.9
   35   6   0   2  32.192  64.383  1.44585       81.4      4.7      4.4     5.9
   36   4   2   1  32.471  64.942  1.43475       27.9      1.6      1.5     5.9
   37   7   1   1  32.934  65.868  1.41682      130.4      7.5      7.1     5.9
   38   0   2   2  33.812  67.624  1.38423      102.7      5.9      5.6     5.9
   39   1   2   2  34.087  68.174  1.37439       72.2      4.1      3.9     5.9
   40   3   0   3  34.329  68.659  1.36586      124.9      7.2      6.8     5.9
   41   0   1   3  34.726  69.451  1.35221      129.6      7.4      7.0     5.9
   42   1   1   3  34.998  69.995  1.34302       36.5      2.1      2.0     5.9
   43   6   1   2  35.083  70.166  1.34017      113.1      6.5      6.1     5.9
   44   7   0   2  35.772  71.543  1.31772       80.7      4.6      4.4     5.9
   45   2   1   3  35.808  71.616  1.31656       18.5      1.1      1.0     5.9
   46   6   2   0  36.054  72.109  1.30877      194.0     11.1     10.5     5.9
   47   4   0   3  36.224  72.447  1.30349       48.9      2.8      2.6     5.9
   48   3   2   2  36.255  72.509  1.30252      152.3      8.7      8.2     5.9
   49   3   1   3  37.142  74.284  1.27573      211.3     12.1     11.3     6.0
   50   6   2   1  37.896  75.792  1.25405      114.5      6.6      6.1     6.0
   51   7   1   2  38.542  77.083  1.23624       66.7      3.8      3.6     6.0
   52   4   1   3  38.982  77.964  1.22447      126.8      7.3      6.8     6.0
   53   1   3   0  40.583  81.165  1.18406       46.5      2.7      2.5     6.1
   54   7   2   1  41.275  82.549  1.16768       64.3      3.7      3.4     6.1
   55  10   0   0  41.856  83.711  1.1544        36.4      2.1      1.9     6.1
   56   0   3   1  42.11   84.219  1.14872       32.2      1.8      1.7     6.1
   57   3   3   0  42.638  85.276  1.13717       44.6      2.6      2.3     6.1
   58   1   2   3  43.196  86.392  1.12532       50.9      2.9      2.7     6.1
   59   6   2   2  43.277  86.553  1.12364       58.1      3.3      3.0     6.1
   60   6   1   3  44.128  88.256  1.10631       77.1      4.4      4.0     6.2
   61   7   0   3  44.778  89.557  1.09358       60.6      3.5      3.1     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)