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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KURAMITE

1, t-stannite, f-stannite, sf-proper-stannite, s-stannite

Cu(3)SnS(4)


Tetragonal  I 4(-)2m  Z = 2

I4(-)2m

22 .6 .1999

Ref.Str.:

         Wyckoff R.W.G. (1963)

         * Crystal Structures, 3, 159-160

Ref.Composition & Lattice:

         Kovalenker E.A., Evstigneeva T.L., Nroneva N.V., Vyalsov L.N. (1979)

         * Zapiski VMO, 108, 564-569

Reserv:

         N.A.D.

                   Initial data from BDM-file 

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

             a =   5.445    alpha =   90.0 
             b =   5.445    beta  =   90.0 
             c =  10.75     gamma =   90.0 

    Unit cell volume (cub. angs.) =   318.72

    Molar volume ( cub.cm/mol.) =    95.99

  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    Cu    = 1.00
   2 0.0     0.0     0.5      0.0    Sn    = 1.00
   3 0.0     0.5     0.25     0.0    Cu    = 1.00
   4 0.245   0.245   0.132    0.0    S     = 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     0.0        0.5        0.25  
     4       4     0.245      0.245      0.132 
     5       3     0.5        0.0        0.75  
     6       4     0.245      0.755      0.868 
     7       4     0.755      0.755      0.132 
     8       4     0.755      0.245      0.868 
     9       3     0.0        0.5        0.75  
    10       3     0.5        0.0        0.25  
    11       1     0.5        0.5        0.5   
    12       2     0.5        0.5        0.0   
    13       4     0.255      0.255      0.632 
    14       4     0.255      0.745      0.368 
    15       4     0.745      0.745      0.632 
    16       4     0.745      0.255      0.368 


X-ray density (g/cm cub.)   =      4.56

MU (1/cm) =     804.885    Mass attenuation coefficient (cm**2/g) =    176.585

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

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

    1    Cu                  3.36         4
                                                 2.3607       4
                                                 2.3607       4
                                                 2.3607       4
                                                 2.3607       4
    2    Sn                  3.408        4
                                                 2.4227       4
                                                 2.4227       4
                                                 2.4227       4
                                                 2.4227       4
    3    Cu                  3.36         4
                                                 2.3058       4
                                                 2.3058       4
                                                 2.3058       4
                                                 2.3058       4
    4    S                   4.368       12
                                                 3.9706       4
                                                 3.8952       4
                                                 3.9272       4
                                                 3.851        4
                                                 3.851        4
                                                 3.7732       4
                                                 3.9706       4
                                                 3.8952       4
                                                 3.7217       4
                                                 3.7217       4
                                                 3.7217       4
                                                 3.7217       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   2  9.579  19.158   0.093   69.3     2       27.8      105.8
    2   1   0   1 10.611  21.222   0.103   56.08    8       34.8      536.1
    3   1   1   0 13.433  26.867   0.13    34.21    4       35.3      167.7
    4   1   1   2 16.605  33.209   0.16    21.72    8      261.9    11734.8
    5   1   0   3 17.387  34.774   0.167   19.65    8       34.8      186.9
    6   2   0   0 19.18   38.361   0.184   15.84    4      144.5     1302.1
    7   0   0   4 19.44   38.88    0.186   15.37    2      145.7      642.2
    8   2   0   2 21.61   43.22    0.206   12.14    8       37.2      132.4
    9   2   1   1 22.125  44.25    0.211   11.51   16       31.3      177.6
   10   1   1   4 23.946  47.893   0.227    9.63    8       31.6       75.6
   11   2   1   3 26.366  52.733   0.248    7.73   16       24.9       75.5
   12   1   0   5 26.57   53.139   0.25     7.6     8       27.9       46.7
   13   2   2   0 27.686  55.373   0.26     6.92    4      295.0     2372.0
   14   2   0   4 27.883  55.766   0.261    6.81    8      293.3     4613.5
   15   2   2   2 29.573  59.146   0.276    5.96    8       18.4       16.0
   16   0   0   6 29.949  59.899   0.279    5.8     2       44.4       22.5
   17   3   0   1 29.986  59.972   0.279    5.78    8       29.6       39.9
   18   3   1   0 31.297  62.594   0.29     5.26    8       24.0       23.8
   19   3   1   2 33.057  66.115   0.305    4.67   16      217.9     3489.6
   20   1   1   6 33.411  66.822   0.308    4.56    8      216.4     1683.6
   21   3   0   3 33.534  67.067   0.309    4.53    8       17.9       11.5
   22   2   1   5 33.709  67.419   0.31     4.48   16       22.3       35.1
   23   2   2   4 34.857  69.715   0.319    4.18    8      133.5      586.5
   24   2   0   6 36.701  73.402   0.334    3.78    8        4.2        0.5
   25   3   2   1 36.734  73.469   0.334    3.77   16       18.0       19.2
   26   1   0   7 37.24   74.481   0.338    3.68    8       20.0       11.5
   27   3   1   4 38.093  76.187   0.345    3.53   16       24.7       34.0
   28   3   2   3 39.997  79.993   0.359    3.26   16       26.0       34.7
   29   3   0   5 40.161  80.322   0.361    3.23    8       17.6        7.9
   30   4   0   0 41.078  82.156   0.367    3.13    4      254.9      800.7
   31   0   0   8 41.732  83.464   0.372    3.06    2      249.8      376.4
   32   4   0   2 42.674  85.349   0.379    2.98    8       14.6        5.0
   33   2   2   6 43.0    85.999   0.381    2.95    8       36.8       31.6
   34   4   1   1 43.032  86.063   0.381    2.95   16       19.7       18.0
   35   2   1   7 43.519  87.038   0.385    2.92   16       21.8       21.9
   36   3   3   0 44.183  88.365   0.39     2.87    4       20.4        4.7
   37   1   1   8 44.831  89.662   0.394    2.84    8       29.4       19.3


  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   0   1  10.611  21.222  4.85744      536.1      4.6      4.6     5.6
    2   1   1   0  13.433  26.867  3.8502       167.7      1.4      1.4     5.6
    3   1   1   2  16.605  33.209  3.13003    11734.8    100.0    100.0     5.6
    4   1   0   3  17.387  34.774  2.9933       186.9      1.6      1.6     5.7
    5   2   0   0  19.18   38.361  2.7225      1302.1     11.1     11.0     5.7
    6   0   0   4  19.44   38.88   2.6875       642.2      5.5      5.4     5.7
    7   2   0   2  21.61   43.22   2.42872      132.4      1.1      1.1     5.7
    8   2   1   1  22.125  44.25   2.37491      177.6      1.5      1.5     5.7
    9   2   2   0  27.686  55.373  1.9251      2372.0     20.2     19.7     5.8
   10   2   0   4  27.883  55.766  1.9126      4613.5     39.3     38.4     5.8
   11   3   1   2  33.057  66.115  1.63978     3489.6     29.7     28.6     5.9
   12   1   1   6  33.411  66.822  1.6244      1683.6     14.3     13.8     5.9
   13   2   2   4  34.857  69.715  1.56501      586.5      5.0      4.8     5.9
   14   4   0   0  41.078  82.156  1.36125      800.7      6.8      6.3     6.1
   15   0   0   8  41.732  83.464  1.34375      376.4      3.2      3.0     6.1

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)