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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SUDBURYITE

1, g-sudburyite

PdSb


Hexagonal  P 6(3)/mmc  Z = 2

P6(3)/mmc

16 .8 .1999

Ref.Str.:

         Wyckoff R.W.G. (1964)

         * Crystal Structures, 1, 123-124

         L: Cabri, laflamme (1997)

         * Canad. Mineral., 12, 275

         R: ATOMIC. The coordinates of atoms are considered to equel

         to those of breithauptite.   N.A.D.

                   Initial data from BDM-file 

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

             a =   4.06     alpha =   90.0 
             b =   4.06     beta  =   90.0 
             c =   5.59     gamma =  120.0 

    Unit cell volume (cub. angs.) =    79.8 

    Molar volume ( cub.cm/mol.) =    24.03

  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    Pd    = 1.00
   2 0.3333  0.6667  0.25     0.0    Sb    = 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     0.3333     0.6667     0.25  
     3       1     0.0        0.0        0.5   
     4       2     0.6667     0.3333     0.75  


X-ray density (g/cm cub.)   =      9.49

MU (1/cm) =    3326.299    Mass attenuation coefficient (cm**2/g) =    350.427

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

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

    1    Pd                  2.814        8
                                                 2.7291       2
                                                 2.7288       2
                                                 2.7291       2
                                                 2.795        1
                                                 2.795        1
                                                 2.7291       2
                                                 2.7288       2
                                                 2.7291       2
    2    Sb                  2.8          6
                                                 2.7291       1
                                                 2.7288       1
                                                 2.7291       1
                                                 2.7291       1
                                                 2.7288       1
                                                 2.7291       1

  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   0   0 14.738  29.475   0.142   28.09    6       37.1     3644.8
    2   1   0   1 17.49   34.979   0.168   19.4    12       74.3    20204.9
    3   0   0   2 18.664  37.328   0.179   16.82    2        7.3       28.1
    4   1   0   2 24.13   48.261   0.229    9.46   12      110.4    21726.6
    5   1   1   0 26.143  52.287   0.246    7.88    6      145.6    15749.9
    6   2   0   0 30.583  61.166   0.284    5.53    6       28.4      420.6
    7   2   0   1 32.232  64.465   0.298    4.93   12       61.6     3520.5
    8   1   0   3 32.907  65.814   0.304    4.71   12       61.1     3316.2
    9   1   1   2 32.996  65.991   0.304    4.69   12        7.9       55.0
   10   2   0   2 36.946  73.892   0.336    3.73   12       93.2     6101.2
   11   0   0   4 39.795  79.59    0.358    3.28    2      122.8     1552.8
   12   2   1   0 42.304  84.607   0.376    3.01   12       24.1      328.7
   13   1   0   4 43.531  87.062   0.385    2.92   12       23.7      309.5
   14   2   1   1 43.774  87.548   0.387    2.9    24       54.3     3218.6
   15   2   0   3 44.386  88.773   0.391    2.86   12       53.9     1568.0


  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   0   0  14.738  29.475  3.51606     3644.8     16.8     17.1     5.6
    2   1   0   1  17.49   34.979  2.97626    20204.9     93.0     94.3     5.7
    3   1   0   2  24.13   48.261  2.18794    21726.6    100.0    100.0     5.7
    4   1   1   0  26.143  52.287  2.03       15749.9     72.5     72.1     5.8
    5   2   0   0  30.583  61.166  1.75803      420.6      1.9      1.9     5.8
    6   2   0   1  32.232  64.465  1.67705     3520.5     16.2     15.8     5.9
    7   1   0   3  32.907  65.814  1.64643     3316.2     15.3     14.9     5.9
    8   2   0   2  36.946  73.892  1.48813     6101.2     28.1     27.0     6.0
    9   0   0   4  39.795  79.59   1.3975      1552.8      7.1      6.8     6.0
   10   2   1   0  42.304  84.607  1.32895      328.7      1.5      1.4     6.1
   11   1   0   4  43.531  87.062  1.29868      309.5      1.4      1.3     6.1
   12   2   1   1  43.774  87.548  1.29291     3218.6     14.8     13.8     6.2
   13   2   0   3  44.386  88.773  1.27872     1568.0      7.2      6.7     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)