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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SCHAFARZIKITE

6, t-minium, Zn-analogue

ZnSb(2)O(4)


Tetragonal  P 4(2)/mbc  Z = 4

P4(2)/mbc

21 .9 .23

Ref.Str.:

         Stahl S. (1943)

         * Arkiv Kemi, Mineral. Geol., 17, 1-7

         R: N.A.D.

                   Initial data from BDM-file 

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

             a =   8.508    alpha =   90.0 
             b =   8.508    beta  =   90.0 
             c =   5.913    gamma =   90.0 

    Unit cell volume (cub. angs.) =   428.02

    Molar volume ( cub.cm/mol.) =    64.45

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

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

   1 0.0     0.5     0.25     0.0    Zn    = 1.00
   2 0.175   0.166   0.0      0.0    Sb    = 1.00
   3 0.669   0.169   0.25     0.0    O     = 1.00
   4 0.114   0.614   0.0      0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.5        0.25  
     2       2     0.175      0.166      0.0   
     3       3     0.669      0.169      0.25  
     4       4     0.114      0.614      0.0   
     5       1     0.5        0.0        0.75  
     6       2     0.834      0.175      0.5   
     7       2     0.825      0.834      0.0   
     8       2     0.166      0.825      0.5   
     9       3     0.831      0.669      0.75  
    10       3     0.331      0.831      0.25  
    11       3     0.169      0.331      0.75  
    12       4     0.386      0.114      0.5   
    13       4     0.886      0.386      0.0   
    14       4     0.614      0.886      0.5   
    15       1     0.5        0.0        0.25  
    16       2     0.325      0.666      0.0   
    17       3     0.831      0.669      0.25  
    18       4     0.386      0.114      0.0   
    19       1     0.0        0.5        0.75  
    20       2     0.666      0.675      0.5   
    21       2     0.675      0.334      0.0   
    22       2     0.334      0.325      0.5   
    23       3     0.669      0.169      0.75  
    24       3     0.169      0.331      0.25  
    25       3     0.331      0.831      0.75  
    26       4     0.114      0.614      0.5   
    27       4     0.614      0.886      0.0   
    28       4     0.886      0.386      0.5   


X-ray density (g/cm cub.)   =      5.78

MU (1/cm) =    1494.673    Mass attenuation coefficient (cm**2/g) =    258.391

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

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

    1    Zn                  2.628        6
                                                 2.0166       4
                                                 2.0166       4
                                                 2.0334       3
                                                 2.0334       3
                                                 2.0166       4
                                                 2.0166       4
    2    Sb                  2.712        3
                                                 2.0392       3
                                                 1.8489       4
                                                 2.0392       3
    3    O                   3.264        8
                                                 2.8638       4
                                                 3.0004       4
                                                 2.8638       4
                                                 2.8638       4
                                                 2.9565       3
                                                 2.9565       3
                                                 2.8638       4
                                                 3.0004       4
    4    O                   3.264        9
                                                 2.8638       3
                                                 3.0004       3
                                                 2.8638       3
                                                 2.7433       4
                                                 2.8638       3
                                                 2.8638       3
                                                 3.0004       3
                                                 2.9565       4
                                                 2.9565       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   1   1   0  8.55   17.101   0.083   87.54    4       73.9     1043.2
    2   2   0   0 12.138  24.276   0.118   42.36    4      111.8     1156.8
    3   2   1   0 13.596  27.193   0.131   33.35    8        8.8       11.3
    4   2   0   1 15.012  30.024   0.145   27.0     8       16.9       33.6
    5   2   1   1 16.233  32.466   0.156   22.82   16      257.4    13205.2
    6   2   2   0 17.299  34.598   0.166   19.87    4      216.3     2030.8
    7   0   0   2 17.61   35.22    0.169   19.11    2      241.1     1213.2
    8   3   1   0 19.418  38.836   0.186   15.41    8      216.1     3143.1
    9   1   1   2 19.7    39.4     0.188   14.93    8      159.5     1658.9
   10   3   1   1 21.423  42.846   0.204   12.38   16        7.1        5.4
   11   2   0   2 21.619  43.238   0.206   12.13    8      242.4     3113.2
   12   3   2   0 22.275  44.551   0.212   11.34    8       14.1        9.8
   13   2   1   2 22.528  45.056   0.214   11.06   16       72.3      504.6
   14   3   2   1 24.087  48.174   0.228    9.5    16       19.8       32.6
   15   4   0   0 24.868  49.736   0.235    8.84    4       93.1      167.2
   16   2   2   2 25.101  50.201   0.237    8.65    8       12.1        5.5
   17   4   1   0 25.688  51.376   0.242    8.21    8       46.7       78.2
   18   3   3   0 26.49   52.979   0.249    7.65    4      161.3      434.8
   19   4   0   1 26.545  53.091   0.25     7.62    8       31.3       32.6
   20   3   1   2 26.712  53.424   0.251    7.51   16       57.8      219.3
   21   4   1   1 27.329  54.659   0.257    7.13   16      239.4     3566.6
   22   4   2   0 28.045  56.09    0.263    6.72    8      159.9      750.8
   23   3   2   2 29.012  58.024   0.271    6.22   16        6.8        2.5
   24   4   2   1 29.597  59.194   0.276    5.95   16       22.0       25.2
   25   2   0   3 30.01   60.02    0.28     5.77    8       13.9        4.9
   26   2   1   3 30.736  61.472   0.286    5.47   16      213.5     2176.6
   27   4   0   2 31.201  62.403   0.29     5.29    8      220.3     1121.5
   28   4   3   0 31.713  63.425   0.294    5.11    8       27.2       16.5
   29   4   1   2 31.911  63.823   0.295    5.04   16       11.7        6.1
   30   5   1   0 32.416  64.833   0.3      4.87    8       12.0        3.0
   31   3   3   2 32.613  65.226   0.301    4.8     8      385.2     3113.3
   32   4   3   1 33.161  66.322   0.306    4.64   16       17.2       12.0
   33   5   1   1 33.849  67.698   0.311    4.44   16       19.2       14.3
   34   4   2   2 33.993  67.986   0.313    4.4    16       29.4       33.3
   35   3   1   3 34.233  68.466   0.314    4.34   16        6.0        1.4
   36   5   2   0 34.482  68.965   0.316    4.27    8       21.7        8.8
   37   5   2   1 35.875  71.749   0.328    3.95   16      180.6     1123.7
   38   3   2   3 36.249  72.498   0.331    3.87   16       17.1        9.9
   39   4   4   0 36.492  72.985   0.332    3.82    4      154.8      199.7
   40   0   0   4 37.235  74.469   0.338    3.68    2      404.2      655.8
   41   4   3   2 37.337  74.674   0.339    3.66   16       27.3       23.9
   42   5   3   0 37.808  75.616   0.343    3.58    8      233.0      848.1
   43   5   1   2 37.992  75.984   0.344    3.55   16      180.7     1010.6
   44   4   0   3 38.221  76.442   0.346    3.51    8       27.3       11.4
   45   1   1   4 38.541  77.083   0.348    3.46    8       38.5       22.3
   46   4   1   3 38.871  77.742   0.351    3.41   16      209.2     1302.2
   47   6   0   0 39.108  78.217   0.353    3.37    4      348.9      896.6
   48   5   3   1 39.154  78.308   0.353    3.37   16       30.4       27.2
   49   6   1   0 39.754  79.508   0.357    3.29    8       56.3       45.5
   50   2   0   4 39.835  79.669   0.358    3.28    8       76.5       83.8
   51   5   2   2 39.935  79.87    0.359    3.26   16       18.4        9.6
   52   6   0   1 40.442  80.883   0.363    3.2     8        6.3        0.6
   53   2   1   4 40.477  80.954   0.363    3.2    16        7.4        1.5
   54   4   2   3 40.802  81.604   0.365    3.16   16       19.4       10.4
   55   6   1   1 41.082  82.164   0.367    3.13   16       31.5       27.1
   56   6   2   0 41.675  83.351   0.372    3.07    8       77.1       79.6
   57   4   4   2 41.855  83.71    0.373    3.05    8       13.6        2.5
   58   5   4   0 42.312  84.625   0.376    3.01    8       50.9       34.1
   59   2   2   4 42.392  84.784   0.377    3.0     8      153.8      310.3
   60   6   2   1 42.992  85.985   0.381    2.95   16       15.0        5.8
   61   5   3   2 43.126  86.253   0.382    2.94   16      104.0      278.3
   62   5   4   1 43.627  87.254   0.386    2.91   16      180.7      829.6
   63   3   1   4 43.662  87.323   0.386    2.91   16      168.3      719.0
   64   4   3   3 43.983  87.967   0.388    2.89   16       15.3        5.9
   65   6   0   2 44.394  88.788   0.391    2.86    8      137.7      236.8
   66   5   1   3 44.617  89.234   0.393    2.85   16       17.1        7.3
   67   6   3   0 44.849  89.699   0.394    2.84    8       18.6        4.3


  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   1   1   0   8.55   17.101  6.01606     1043.2      7.9      8.0     5.6
    2   2   0   0  12.138  24.276  4.254       1156.8      8.8      8.8     5.6
    3   2   1   1  16.233  32.466  3.19969    13205.2    100.0    100.0     5.6
    4   2   2   0  17.299  34.598  3.00803     2030.8     15.4     15.3     5.7
    5   0   0   2  17.61   35.22   2.9565      1213.2      9.2      9.2     5.7
    6   3   1   0  19.418  38.836  2.69047     3143.1     23.8     23.7     5.7
    7   1   1   2  19.7    39.4    2.6534      1658.9     12.6     12.5     5.7
    8   2   0   2  21.619  43.238  2.42776     3113.2     23.6     23.3     5.7
    9   2   1   2  22.528  45.056  2.33457      504.6      3.8      3.8     5.7
   10   4   0   0  24.868  49.736  2.127        167.2      1.3      1.2     5.7
   11   3   3   0  26.49   52.979  2.00535      434.8      3.3      3.2     5.8
   12   3   1   2  26.712  53.424  1.98987      219.3      1.7      1.6     5.8
   13   4   1   1  27.329  54.659  1.94827     3566.6     27.0     26.4     5.8
   14   4   2   0  28.045  56.09   1.90245      750.8      5.7      5.5     5.8
   15   2   1   3  30.736  61.472  1.75012     2176.6     16.5     15.9     5.8
   16   4   0   2  31.201  62.403  1.7266      1121.5      8.5      8.2     5.8
   17   3   3   2  32.613  65.226  1.6596      3113.3     23.6     22.7     5.9
   18   5   2   1  35.875  71.749  1.52635     1123.7      8.5      8.1     5.9
   19   4   4   0  36.492  72.985  1.50402      199.7      1.5      1.4     6.0
   20   0   0   4  37.235  74.469  1.47825      655.8      5.0      4.7     6.0
   21   5   3   0  37.808  75.616  1.45911      848.1      6.4      6.1     6.0
   22   5   1   2  37.992  75.984  1.45311     1010.6      7.7      7.2     6.0
   23   4   1   3  38.871  77.742  1.42528     1302.2      9.9      9.3     6.0
   24   6   0   0  39.108  78.217  1.418        896.6      6.8      6.4     6.0
   25   2   2   4  42.392  84.784  1.3267       310.3      2.3      2.2     6.1
   26   5   3   2  43.126  86.253  1.30844      278.3      2.1      1.9     6.1
   27   5   4   1  43.627  87.254  1.2964       829.6      6.3      5.8     6.2
   28   3   1   4  43.662  87.323  1.29557      719.0      5.4      5.0     6.2
   29   6   0   2  44.394  88.788  1.27855      236.8      1.8      1.6     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)