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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HANSWILKEITE

2, syn

KFeS(2)


Monoclinic  C 2/c  Z = 4

C2/c

8 .12 .23

Ref.Str.:

         Bronger W., Kyas A., Muller P. (1987)

         * J. Solid State Chem., 70, 262-270

         Doi:10.1016/0022-4596(87)90065-X

         R: N.A.D.

                   Initial data from BDM-file 

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

             a =   7.084    alpha =   90.0 
             b =  11.303    beta  =  113.2 
             c =   5.394    gamma =   90.0 

    Unit cell volume (cub. angs.) =   396.97

    Molar volume ( cub.cm/mol.) =    59.78

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

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

   1 0.0     0.9967  0.25     0.0    Fe    = 1.00
   2 0.0     0.3572  0.25     0.0    K     = 1.00
   3 0.196   0.1098  0.1068   0.0    S     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.9967     0.25  
     2       2     0.0        0.3572     0.25  
     3       3     0.196      0.1098     0.1068
     4       1     0.0        0.0033     0.75  
     5       2     0.0        0.6428     0.75  
     6       3     0.804      0.8902     0.8932
     7       3     0.196      0.8902     0.6068
     8       3     0.804      0.1098     0.3932
     9       1     0.5        0.5033     0.75  
    10       2     0.5        0.1428     0.75  
    11       3     0.696      0.3902     0.6068
    12       1     0.5        0.4967     0.25  
    13       2     0.5        0.8572     0.25  
    14       3     0.304      0.6098     0.3932
    15       3     0.696      0.6098     0.1068
    16       3     0.304      0.3902     0.8932


X-ray density (g/cm cub.)   =      2.66

MU (1/cm) =     335.787    Mass attenuation coefficient (cm**2/g) =    126.207

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

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

    1    Fe                  3.144        4
                                                 2.237        3
                                                 2.2305       3
                                                 2.2305       3
                                                 2.237        3
    2    K                   3.78         8
                                                 3.345        3
                                                 3.345        3
                                                 3.4273       3
                                                 3.3056       3
                                                 3.475        3
                                                 3.475        3
                                                 3.3056       3
                                                 3.4273       3
    3    S                   4.368        7
                                                 3.5608       3
                                                 3.6654       3
                                                 3.6654       3
                                                 3.9617       3
                                                 3.6712       3
                                                 3.7558       3
                                                 3.557        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   0   2   0  9.106  18.213   0.088   76.91    2      103.2     1040.2
    2   1   1   0  9.122  18.244   0.089   76.64    4       83.6     1359.2
    3   1   1  -1 11.264  22.529   0.109   49.52    4       11.9       17.8
    4   0   2   1 13.886  27.773   0.134   31.89    4        1.1        0.1
    5   1   3   0 15.919  31.839   0.153   23.8     4      125.3      948.0
    6   2   0   0 15.947  31.894   0.154   23.71    2       69.6      145.9
    7   1   1   1 16.133  32.266   0.155   23.12    4      105.1      648.5
    8   1   3  -1 17.282  34.564   0.166   19.91    4       24.8       31.0
    9   2   2  -1 17.857  35.714   0.171   18.54    4      151.8     1084.2
   10   0   4   0 18.454  36.907   0.177   17.25    2       56.2       69.1
   11   2   2   0 18.486  36.972   0.177   17.18    4       56.6      139.7
   12   1   1  -2 19.937  39.875   0.191   14.54    4       23.2       19.9
   13   1   3   1 20.904  41.808   0.199   13.08    4       92.8      285.7
   14   2   0  -2 20.927  41.854   0.2     13.05    2       96.5      154.2
   15   0   0   2 21.151  42.302   0.202   12.74    2      114.6      212.3
   16   0   4   1 21.367  42.734   0.204   12.45    4       37.3       44.1
   17   3   1  -1 22.792  45.585   0.217   10.77    4       33.3       30.4
   18   2   2  -2 22.996  45.993   0.218   10.55    4       58.9       92.9
   19   0   2   2 23.204  46.409   0.22    10.34    4       62.1      101.1
   20   1   3  -2 24.072  48.145   0.228    9.51    4      162.3      635.9
   21   2   4  -1 24.287  48.575   0.23     9.32    4       14.3        4.8
   22   2   2   1 24.513  49.025   0.232    9.13    4       52.4       63.6
   23   1   5   0 24.762  49.523   0.234    8.92    4       60.5       82.9
   24   2   4   0 24.781  49.561   0.234    8.91    4       88.7      178.1
   25   3   1   0 24.812  49.625   0.235    8.88    4       10.1        2.3
   26   1   5  -1 25.729  51.457   0.243    8.18    4       43.4       39.1
   27   3   1  -2 25.779  51.558   0.243    8.14    4       87.0      156.5
   28   1   1   2 26.161  52.321   0.246    7.87    4       95.1      180.6
   29   3   3  -1 26.577  53.155   0.25     7.59    4        8.5        1.4
   30   0   6   0 28.347  56.694   0.265    6.56    2       58.6       28.6
   31   3   3   0 28.399  56.798   0.266    6.53    4      145.2      349.6
   32   1   5   1 28.488  56.976   0.267    6.49    4       75.5       93.8
   33   2   4  -2 28.506  57.012   0.267    6.48    4       59.4       58.0
   34   0   4   2 28.685  57.37    0.268    6.39    4       44.5       32.0
   35   3   3  -2 29.283  58.566   0.273    6.1     4       86.6      116.1
   36   1   3   2 29.634  59.267   0.276    5.93    4       81.1       99.1
   37   2   4   1 29.82   59.64    0.278    5.85    4       14.3        3.1
   38   0   6   1 30.526  61.052   0.284    5.55    4       11.8        2.0
   39   1   1  -3 30.624  61.249   0.285    5.51    4        0.8        0.0
   40   1   5  -2 31.085  62.17    0.289    5.34    4      148.0      296.6
   41   3   1   1 31.128  62.256   0.289    5.32    4       10.4        1.5
   42   4   0  -2 31.687  63.375   0.294    5.11    2      178.4      206.6
   43   2   2  -3 31.713  63.425   0.294    5.11    4       15.0        2.9
   44   4   2  -1 32.039  64.079   0.297    4.99    4       18.1        4.2
   45   2   0   2 32.189  64.379   0.298    4.94    2      168.6      178.3
   46   3   1  -3 32.791  65.582   0.303    4.75    4       78.3       73.8
   47   2   6  -1 32.861  65.723   0.303    4.73    4       84.8       86.3
   48   3   5  -1 33.234  66.468   0.306    4.61    4       46.6       25.4
   49   2   6   0 33.269  66.538   0.307    4.6     4      122.7      176.1
   50   4   2  -2 33.272  66.544   0.307    4.6     4       68.8       55.3
   51   4   0   0 33.332  66.665   0.307    4.59    2      124.5       90.2
   52   2   2   2 33.761  67.523   0.311    4.46    4       66.7       50.4
   53   1   3  -3 33.808  67.616   0.311    4.45    4       29.4        9.7
   54   3   3   1 34.286  68.572   0.315    4.32    4       43.8       21.1
   55   0   2   3 34.327  68.653   0.315    4.31    4      106.8      124.7
   56   1   7   0 34.801  69.601   0.319    4.19    4       24.5        6.4
   57   3   5   0 34.842  69.684   0.319    4.18    4      130.5      180.8
   58   4   2   0 34.878  69.756   0.32     4.17    4       58.0       35.6
   59   1   7  -1 35.593  71.185   0.325    4.01    4       27.3        7.6
   60   3   5  -2 35.634  71.269   0.326    4.0     4       26.2        7.0
   61   3   3  -3 35.874  71.748   0.328    3.95    4       74.4       55.5
   62   1   5   2 35.951  71.902   0.328    3.93    4       16.9        2.9
   63   2   4  -3 36.359  72.718   0.331    3.84    4       23.7        5.5
   64   2   6  -2 36.452  72.905   0.332    3.83    4      104.3      105.6
   65   0   6   2 36.609  73.219   0.333    3.79    4       96.3       89.3
   66   4   4  -1 36.666  73.331   0.334    3.78    4       35.4       12.0
   67   2   6   1 37.615  75.23    0.341    3.61    4       23.4        5.0
   68   4   4  -2 37.828  75.655   0.343    3.57    4       31.4        9.0
   69   1   1   3 37.859  75.719   0.343    3.57    4       34.5       10.8
   70   1   7   1 37.927  75.854   0.344    3.56    4       72.5       47.5
   71   2   4   2 38.292  76.584   0.346    3.5     4       24.1        5.1
   72   4   2  -3 38.387  76.775   0.347    3.48    4       26.4        6.2
   73   0   4   3 38.83   77.66    0.35     3.41    4       10.5        1.0
   74   0   8   0 39.278  78.555   0.354    3.35    2      132.3       74.5
   75   4   4   0 39.357  78.713   0.354    3.34    4       11.7        1.2
   76   1   5  -3 39.803  79.606   0.358    3.28    4       30.1        7.6
   77   5   1  -1 39.988  79.975   0.359    3.26    4       59.3       29.1
   78   5   1  -2 39.988  79.977   0.359    3.26    4       30.3        7.6
   79   1   7  -2 40.215  80.429   0.361    3.23    4       12.5        1.3
   80   3   5   1 40.253  80.506   0.361    3.22    4       25.2        5.2
   81   3   1   2 40.598  81.195   0.364    3.18    4       19.1        2.9
   82   1   3   3 40.788  81.577   0.365    3.16    4       19.0        2.9
   83   0   8   1 41.169  82.338   0.368    3.12    4       67.8       36.4
   84   4   2   1 41.418  82.837   0.37     3.09    4       80.3       50.6
   85   2   0  -4 41.557  83.115   0.371    3.08    2      160.2      100.3
   86   3   5  -3 41.762  83.523   0.372    3.06    4       62.7       30.5
   87   3   7  -1 42.169  84.337   0.375    3.02    4        1.0        0.0
   88   4   4  -3 42.749  85.499   0.379    2.97    4       16.9        2.2
   89   3   1  -4 42.853  85.707   0.38     2.97    4       60.5       27.5
   90   5   3  -1 42.882  85.763   0.38     2.96    4       53.1       21.2
   91   5   3  -2 42.882  85.765   0.38     2.96    4       94.3       66.8
   92   2   2  -4 42.999  85.998   0.381    2.95    4       60.9       27.8
   93   1   1  -4 43.155  86.309   0.382    2.94    4       39.8       11.8
   94   2   8  -1 43.267  86.534   0.383    2.93    4        4.7        0.2
   95   3   3   2 43.485  86.969   0.385    2.92    4      100.1       74.3
   96   2   8   0 43.64   87.28    0.386    2.91    4       43.4       13.9
   97   3   7   0 43.664  87.329   0.386    2.91    4       12.8        1.2
   98   2   6  -3 43.665  87.33    0.386    2.91    4        1.4        0.0
   99   5   1   0 43.742  87.484   0.386    2.9     4       82.6       50.2
  100   5   1  -3 43.744  87.488   0.387    2.9     4        6.5        0.3
  101   4   6  -1 43.959  87.917   0.388    2.89    4       26.2        5.0
  102   3   7  -2 44.412  88.823   0.391    2.86    4       24.1        4.2
  103   1   7   2 44.712  89.424   0.393    2.84    4       25.1        4.5


  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   9.122  18.244  5.64199     2399.3    100.0    100.0     5.6
    2   1   3   0  15.919  31.839  3.26106     1093.9     45.6     45.1     5.6
    3   1   1   1  16.133  32.266  3.21902      648.5     27.0     26.7     5.6
    4   1   3  -1  17.282  34.564  3.01087       31.0      1.3      1.3     5.7
    5   2   2  -1  17.857  35.714  2.91694     1084.2     45.2     44.6     5.7
    6   0   4   0  18.454  36.907  2.82575       69.1      2.9      2.8     5.7
    7   2   2   0  18.486  36.972  2.82099      139.7      5.8      5.7     5.7
    8   1   3   1  20.904  41.808  2.50687      439.9     18.3     18.0     5.7
    9   0   0   2  21.151  42.302  2.47891      212.3      8.8      8.7     5.7
   10   0   4   1  21.367  42.734  2.45499       44.1      1.8      1.8     5.7
   11   3   1  -1  22.792  45.585  2.30892       30.4      1.3      1.2     5.7
   12   2   2  -2  22.996  45.993  2.28955       92.9      3.9      3.8     5.7
   13   0   2   2  23.204  46.409  2.27013      101.1      4.2      4.1     5.7
   14   1   3  -2  24.072  48.145  2.19289      635.9     26.5     25.8     5.7
   15   2   2   1  24.513  49.025  2.15587       63.6      2.7      2.6     5.7
   16   2   4   0  24.781  49.561  2.13401      261.0     10.9     10.6     5.7
   17   1   5  -1  25.729  51.457  2.06045       39.1      1.6      1.6     5.8
   18   3   1  -2  25.779  51.558  2.05669      156.5      6.5      6.3     5.8
   19   1   1   2  26.161  52.321  2.02876      180.6      7.5      7.3     5.8
   20   0   6   0  28.347  56.694  1.88383       28.6      1.2      1.1     5.8
   21   3   3   0  28.399  56.798  1.88066      349.6     14.6     14.0     5.8
   22   1   5   1  28.488  56.976  1.87528      151.8      6.3      6.1     5.8
   23   0   4   2  28.685  57.37   1.86348       32.0      1.3      1.3     5.8
   24   3   3  -2  29.283  58.566  1.82871      116.1      4.8      4.6     5.8
   25   1   3   2  29.634  59.267  1.80899       99.1      4.1      4.0     5.8
   26   1   5  -2  31.085  62.17   1.73242      296.6     12.4     11.8     5.8
   27   4   0  -2  31.687  63.375  1.70281      209.5      8.7      8.3     5.9
   28   2   0   2  32.189  64.379  1.67904      178.3      7.4      7.1     5.9
   29   3   1  -3  32.791  65.582  1.65158       73.8      3.1      2.9     5.9
   30   2   6  -1  32.861  65.723  1.64844       86.3      3.6      3.4     5.9
   31   3   5  -1  33.234  66.468  1.63205       25.4      1.1      1.0     5.9
   32   2   6   0  33.269  66.538  1.63053      231.3      9.6      9.1     5.9
   33   4   0   0  33.332  66.665  1.62779       90.2      3.8      3.6     5.9
   34   2   2   2  33.761  67.523  1.60951       50.4      2.1      2.0     5.9
   35   0   2   3  34.327  68.653  1.58618      124.7      5.2      4.9     5.9
   36   3   5   0  34.842  69.684  1.56562      180.8      7.5      7.1     5.9
   37   4   2   0  34.878  69.756  1.5642        35.6      1.5      1.4     5.9
   38   3   3  -3  35.874  71.748  1.52636       55.5      2.3      2.2     5.9
   39   2   6  -2  36.452  72.905  1.50544      105.6      4.4      4.1     6.0
   40   0   6   2  36.609  73.219  1.49988       89.3      3.7      3.5     6.0
   41   1   7   1  37.927  75.854  1.45522       47.5      2.0      1.8     6.0
   42   0   8   0  39.278  78.555  1.41288       74.5      3.1      2.9     6.0
   43   5   1  -1  39.988  79.975  1.39189       36.6      1.5      1.4     6.0
   44   0   8   1  41.169  82.338  1.35878       36.4      1.5      1.4     6.1
   45   4   2   1  41.418  82.837  1.35206       50.6      2.1      1.9     6.1
   46   2   0  -4  41.557  83.115  1.34836      100.3      4.2      3.8     6.1
   47   3   5  -3  41.762  83.523  1.34296       30.5      1.3      1.2     6.1
   48   5   3  -2  42.882  85.765  1.31442      115.6      4.8      4.4     6.1
   49   2   2  -4  42.999  85.998  1.31155       27.8      1.2      1.1     6.1
   50   3   3   2  43.485  86.969  1.29979       74.3      3.1      2.8     6.1
   51   5   1   0  43.742  87.484  1.29367       50.5      2.1      1.9     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)