Institute of Experimental Mineralogy
                 Russian Academy of Sciences
     -------------------------------------------------
           142432, Chernogolovka, Moscow district
             A.V. Chichagov  +7(496)52-22320

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CHVILEVAITE

1

Na(Cu,Fe,Zn)(2)S(2)


Hexagonal  P 3m1  Z = 1

R =0.045

23 .7 .1990

Ref.Str.:

         L.N.Kaplunnik, I.V.Petrova at all. (1990)

         * Dokl. Akad. Nauk SSSR, 310, 90-93

                   Initial data from BDM-file 

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

             a =   3.88     alpha =   90.0 
             b =   3.88     beta  =   90.0 
             c =   6.848    gamma =  120.0 

    Unit cell volume (cub. angs.) =    89.28

    Molar volume ( cub.cm/mol.) =    53.78

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

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

   1 0.6667  0.3333  0.1094   1.33   Ca    = 0.64, Fe    = 0.22, Zn    = 0.15
   2 0.0     0.0     0.3557   0.83   Ca    = 0.64, Fe    = 0.22, Zn    = 0.15
   3 0.0     0.0     0.0      0.5    S     = 1.00
   4 0.6667  0.3333  0.4629   1.19   S     = 1.00
   5 0.3333  0.6667  0.738    0.7    Na    = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.6667     0.3333     0.1094
     2       2     0.0        0.0        0.3557
     3       3     0.0        0.0        0.0   
     4       4     0.6667     0.3333     0.4629
     5       5     0.3333     0.6667     0.738 


X-ray density (g/cm cub.)   =      3.4 

MU (1/cm) =     437.927    Mass attenuation coefficient (cm**2/g) =    128.989

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

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

    1   Ca   ,Fe   ,Zn       3.432        1
                                                 2.4208       4
    2   Ca   ,Fe   ,Zn       3.432        3
                                                 2.3573       4
                                                 2.3573       4
                                                 2.3573       4
    3    S                   2.532        0
    4    S                   4.368        6
                                                 3.88         4
                                                 3.88         4
                                                 3.88         4
                                                 3.88         4
                                                 3.88         4
                                                 3.88         4
    5    Na                  3.36         3
                                                 2.927        4
                                                 2.927        4
                                                 2.927        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   1  7.505  15.01    0.073  114.28    2       23.8     1625.7
    2   0   0   2 15.143  30.286   0.146   26.5     2       14.6      140.8
    3   1   0   0 15.438  30.876   0.149   25.43    6       21.9      915.2
    4   1   0  -1 17.248  34.497   0.166   20.0     6       23.8      855.6
    5   1   0   1 17.248  34.497   0.166   20.0     6       21.6      699.1
    6   1   0  -2 21.898  43.797   0.208   11.78    6        6.0       32.1
    7   1   0   2 21.898  43.797   0.208   11.78    6       41.6     1535.0
    8   0   0   3 23.07   46.139   0.219   10.48    2       36.3      346.1
    9   1   1   0 27.456  54.911   0.258    7.05    6       54.5     1575.6
   10   1   0  -3 28.276  56.551   0.265    6.6     6       27.0      362.1
   11   1   0   3 28.276  56.551   0.265    6.6     6       38.5      735.9
   12   1   1   1 28.634  57.267   0.268    6.41   12       15.2      223.5
   13   0   0   4 31.498  62.995   0.292    5.18    2        4.7        2.9
   14   1   1   2 32.0    64.001   0.296    5.01   12        9.4       66.5
   15   2   0   0 32.167  64.334   0.298    4.95    6       15.0       83.8
   16   2   0  -1 33.242  66.484   0.306    4.61    6       15.2       80.4
   17   2   0   1 33.242  66.484   0.306    4.61    6       17.7      108.3
   18   1   0  -4 35.9    71.8     0.328    3.94    6        3.9        4.6
   19   1   0   4 35.9    71.8     0.328    3.94    6       18.1       96.9
   20   2   0  -2 36.372  72.744   0.331    3.84    6       30.8      275.2
   21   2   0   2 36.372  72.744   0.331    3.84    6        4.3        5.4
   22   1   1   3 37.235  74.469   0.338    3.68   12       27.1      406.8
   23   0   0   5 40.774  81.549   0.365    3.16    2       13.8       15.1
   24   2   0  -3 41.38   82.76    0.37     3.1     6       30.1      211.0
   25   2   0   3 41.38   82.76    0.37     3.1     6       21.1      103.3
   26   1   1   4 44.172  88.344   0.39     2.87   12        3.0        4.0
   27   2   1   0 44.772  89.543   0.394    2.84   12       12.2       63.4
   28   1   0  -5 44.85   89.699   0.394    2.84    6       20.6       90.2
   29   1   0   5 44.85   89.699   0.394    2.84    6       22.9      111.5


  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   0   0   1   7.505  15.01   6.848       1625.7    100.0    100.0     5.6
    2   0   0   2  15.143  30.286  3.424        140.8      8.7      8.6     5.6
    3   1   0   0  15.438  30.876  3.36018      915.2     56.3     55.7     5.6
    4   1   0   1  17.248  34.497  3.0166      1554.7     95.6     94.2     5.7
    5   1   0   2  21.898  43.797  2.39825     1567.1     96.4     94.1     5.7
    6   0   0   3  23.07   46.139  2.28267      346.1     21.3     20.7     5.7
    7   1   1   0  27.456  54.911  1.94        1575.6     96.9     93.4     5.8
    8   1   0   3  28.276  56.551  1.88819     1098.0     67.5     64.9     5.8
    9   1   1   1  28.634  57.267  1.86654      223.5     13.7     13.2     5.8
   10   1   1   2  32.0    64.001  1.6879        66.5      4.1      3.9     5.9
   11   2   0   0  32.167  64.334  1.68009       83.8      5.2      4.9     5.9
   12   2   0   1  33.242  66.484  1.6317       188.7     11.6     11.0     5.9
   13   1   0   4  35.9    71.8    1.52542      101.5      6.2      5.9     5.9
   14   2   0   2  36.372  72.744  1.5083       280.6     17.3     16.2     6.0
   15   1   1   3  37.235  74.469  1.47825      406.8     25.0     23.4     6.0
   16   2   0   3  41.38   82.76   1.3531       314.3     19.3     17.7     6.1
   17   2   1   0  44.772  89.543  1.27003       63.4      3.9      3.5     6.2
   18   1   0   5  44.85   89.699  1.26829      201.7     12.4     11.2     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)