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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KALININITE

7, t-spinel, Se-analogue

ZnCr(2)Se(4)


Cubic  F d3m  Z = 8

Fd3m

28 .5 .18

Ref.Str.:

         Raccah P.M., Bouchard R.J., Wold A. (1966)

         * J. Appl. Physics, 37, 543-555

         R: N.A.D.

                   Initial data from BDM-file 

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

             a =  10.44     alpha =   90.0 
             b =  10.44     beta  =   90.0 
             c =  10.44     gamma =   90.0 

    Unit cell volume (cub. angs.) =  1137.89

    Molar volume ( cub.cm/mol.) =    85.67

  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      0.0    Zn    = 1.00
   2 0.625   0.625   0.625    0.0    Cr    = 1.00
   3 0.3849  0.3849  0.3849   0.0    Se    = 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     0.625      0.625      0.625 
     3       3     0.3849     0.3849     0.3849
     4       1     0.75       0.75       0.25  
     5       1     0.0        0.5        0.5   
     6       1     0.25       0.75       0.75  
     7       2     0.125      0.375      0.875 
     8       2     0.375      0.875      0.125 
     9       2     0.875      0.125      0.375 
    10       3     0.3651     0.1349     0.6349
    11       3     0.6151     0.1151     0.8849
    12       3     0.6349     0.3651     0.1349
    13       1     0.75       0.25       0.75  
    14       1     0.5        0.0        0.5   
    15       2     0.125      0.875      0.375 
    16       2     0.875      0.375      0.125 
    17       2     0.375      0.125      0.875 
    18       3     0.3651     0.6349     0.1349
    19       3     0.1151     0.6151     0.8849
    20       3     0.1349     0.3651     0.6349
    21       1     0.25       0.25       0.25  
    22       1     0.5        0.5        0.0   
    23       2     0.375      0.375      0.625 
    24       2     0.375      0.625      0.375 
    25       2     0.125      0.625      0.125 
    26       2     0.875      0.625      0.875 
    27       2     0.125      0.125      0.625 
    28       2     0.625      0.375      0.375 
    29       2     0.625      0.125      0.125 
    30       2     0.625      0.875      0.875 
    31       2     0.875      0.875      0.625 
    32       3     0.6151     0.6151     0.3849
    33       3     0.1349     0.8651     0.1349
    34       3     0.8849     0.3849     0.8849
    35       3     0.6349     0.8651     0.6349
    36       3     0.8849     0.8849     0.3849
    37       3     0.8651     0.1349     0.1349
    38       3     0.3849     0.8849     0.8849
    39       3     0.8651     0.6349     0.6349
    40       3     0.1151     0.1151     0.3849
    41       3     0.3849     0.6151     0.6151
    42       3     0.6151     0.3849     0.6151
    43       3     0.1349     0.6349     0.3651
    44       3     0.8651     0.3651     0.3651
    45       3     0.1151     0.3849     0.1151
    46       3     0.8849     0.6151     0.1151
    47       3     0.3651     0.3651     0.8651
    48       3     0.6349     0.6349     0.8651
    49       3     0.6151     0.8849     0.1151
    50       3     0.3849     0.1151     0.1151
    51       3     0.3651     0.8651     0.3651
    52       3     0.6349     0.1349     0.3651
    53       3     0.8651     0.8651     0.8651
    54       3     0.1349     0.1349     0.8651
    55       3     0.8849     0.1151     0.6151
    56       3     0.1151     0.8849     0.6151


X-ray density (g/cm cub.)   =      5.66

MU (1/cm) =     978.454    Mass attenuation coefficient (cm**2/g) =    172.787

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

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

    1    Zn                  3.312        4
                                                 2.4393       3
                                                 2.4393       3
                                                 2.4393       3
                                                 2.4393       3
    2    Cr                  3.312        6
                                                 2.5109       3
                                                 2.5109       3
                                                 2.5109       3
                                                 2.5109       3
                                                 2.5109       3
                                                 2.5109       3
    3    Se                  4.632       12
                                                 3.6969       3
                                                 3.6969       3
                                                 3.6969       3
                                                 3.6969       3
                                                 3.3988       3
                                                 3.9834       3
                                                 3.3988       3
                                                 3.3988       3
                                                 3.6969       3
                                                 3.9834       3
                                                 3.9834       3
                                                 3.6969       3

  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   1   1   1  8.534  17.068   0.083   87.88    8      113.4      698.6
    2   2   2   0 14.024  28.048   0.135   31.22   12      228.0     1503.8
    3   1   1   3 16.508  33.017   0.159   22.0    24      274.2     3066.3
    4   2   2   2 17.265  34.53    0.166   19.96    8      577.9     4118.5
    5   4   0   0 20.042  40.084   0.192   14.37    6      947.2     5974.2
    6   3   3   1 21.929  43.858   0.209   11.75   24      120.2      314.4
    7   4   2   0 22.529  45.059   0.214   11.05   24        0.0        0.0
    8   2   2   4 24.817  49.635   0.235    8.88   24      172.0      486.8
    9   1   1   5 26.435  52.871   0.249    7.69   24      430.2     2637.0
   10   3   3   3 26.435  52.871   0.249    7.69    8       42.3        8.5
   11   4   4   0 28.99   57.98    0.271    6.24   12     1157.4     7740.6
   12   5   3   1 30.455  60.911   0.283    5.58   48       71.4      105.4
   13   4   4   2 30.934  61.869   0.287    5.39   24       45.7       20.8
   14   6   2   0 32.811  65.621   0.303    4.74   24      131.5      151.9
   15   3   3   5 34.182  68.363   0.314    4.35   24      215.8      375.6
   16   2   2   6 34.633  69.265   0.318    4.23   24      436.3     1493.9
   17   4   4   4 36.412  72.823   0.332    3.83    8      716.9     1217.7
   18   1   1   7 37.723  75.447   0.342    3.59   24      108.2       77.9
   19   5   5   1 37.723  75.447   0.342    3.59   24      227.2      343.5
   20   6   4   0 38.157  76.314   0.345    3.52   24        0.0        0.0
   21   6   4   2 39.877  79.754   0.358    3.27   48      180.2      393.8
   22   5   5   3 41.155  82.309   0.368    3.12   24      340.1      669.2
   23   7   3   1 41.155  82.309   0.368    3.12   48       31.4       11.4
   24   8   0   0 43.268  86.536   0.383    2.93    6      930.7     1177.6
   25   3   3   7 44.531  89.061   0.392    2.85   24      247.9      325.1
   26   4   4   6 44.951  89.902   0.395    2.83   24       37.0        7.2
   27   8   2   0 44.951  89.902   0.395    2.83   24        0.0        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   1   1   1   8.534  17.068  6.02754      698.6      9.0      9.4     5.6
    2   2   2   0  14.024  28.048  3.6911      1503.8     19.4     20.1     5.6
    3   1   1   3  16.508  33.017  3.14778     3066.3     39.6     40.7     5.6
    4   2   2   2  17.265  34.53   3.01377     4118.5     53.2     54.6     5.7
    5   4   0   0  20.042  40.084  2.61        5974.2     77.2     78.8     5.7
    6   3   3   1  21.929  43.858  2.3951       314.4      4.1      4.1     5.7
    7   2   2   4  24.817  49.635  2.13106      486.8      6.3      6.4     5.7
    8   1   1   5  26.435  52.871  2.00918     2645.5     34.2     34.4     5.8
    9   4   4   0  28.99   57.98   1.84555     7740.6    100.0    100.0     5.8
   10   5   3   1  30.455  60.911  1.76468      105.4      1.4      1.4     5.8
   11   6   2   0  32.811  65.621  1.65071      151.9      2.0      1.9     5.9
   12   3   3   5  34.182  68.363  1.59209      375.6      4.9      4.8     5.9
   13   2   2   6  34.633  69.265  1.57389     1493.9     19.3     19.0     5.9
   14   4   4   4  36.412  72.823  1.50688     1217.7     15.7     15.3     6.0
   15   5   5   1  37.723  75.447  1.46189      421.5      5.4      5.3     6.0
   16   6   4   2  39.877  79.754  1.3951       393.8      5.1      4.9     6.0
   17   5   5   3  41.155  82.309  1.35917      680.6      8.8      8.4     6.1
   18   8   0   0  43.268  86.536  1.305       1177.6     15.2     14.4     6.1
   19   3   3   7  44.531  89.061  1.27545      325.1      4.2      3.9     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)