Institute of Experimental Mineralogy
Russian Academy of Sciences
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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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GALENA
1, t-halite, s-galena-clausthalite
PbS
Cubic F m3m Z = 4
Fm3m
29 .4 .1992
Ref.Str.:
Wyckoff R.W.J. (1964)
* Crystal Structures, 1, 85-89
Initial data from BDM-file
Lattice parameters (cub. angs.,degr.):
a = 5.9362 alpha = 90.0
b = 5.9362 beta = 90.0
c = 5.9362 gamma = 90.0
Unit cell volume (cub. angs.) = 209.18
Molar volume ( cub.cm/mol.) = 31.5
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 Pb = 1.00
2 0.5 0.5 0.5 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 0.5 0.5 0.5
3 1 0.5 0.0 0.5
4 1 0.5 0.5 0.0
5 1 0.0 0.5 0.5
6 2 0.0 0.5 0.0
7 2 0.0 0.0 0.5
8 2 0.5 0.0 0.0
X-ray density (g/cm cub.) = 7.59
MU (1/cm) = 1616.553 Mass attenuation coefficient (cm**2/g) = 212.852
Selected interatomic distances (cation-anion,anion-anion):
NoP Atom Rad.sph. C.N. Distance NoP N.
(angs.) (angs.)
1 Pb 3.696 6
2.9681 2
2.9681 2
2.9681 2
2.9681 2
2.9681 2
2.9681 2
2 S 4.368 12
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
4.1975 2
X-ray diffraction powder data (II), X-Ray W.L. = 1.54056(angs.):
No H K L Theta 2*Theta S LPG MF F I int.
( degree ) *100
1 1 1 1 12.988 25.976 0.146 36.74 8 224.7 33904.4
2 2 0 0 15.042 30.083 0.168 26.89 6 318.8 37457.7
3 2 2 0 21.532 43.063 0.238 12.24 12 288.8 27997.1
4 1 1 3 25.491 50.981 0.279 8.35 24 195.2 17461.5
5 2 2 2 26.712 53.423 0.292 7.51 8 268.5 9894.6
6 4 0 0 31.268 62.536 0.337 5.27 6 252.9 4619.6
7 3 3 1 34.445 68.889 0.367 4.28 24 174.9 7186.6
8 4 2 0 35.472 70.944 0.377 4.03 24 240.2 12774.0
9 2 2 4 39.471 78.942 0.413 3.32 24 229.6 9606.4
10 1 1 5 42.396 84.792 0.438 3.0 24 159.5 4190.6
11 3 3 3 42.396 84.792 0.438 3.0 8 159.5 1396.9
X-ray diffraction powder data (I)...X-Ray wave length = 1.54056 (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 1 12.988 25.976 3.42727 33904.4 90.5 90.8 5.6
2 2 0 0 15.042 30.083 2.9681 37457.7 100.0 100.0 5.6
3 2 2 0 21.532 43.063 2.09876 27997.1 74.7 73.8 5.7
4 1 1 3 25.491 50.981 1.78983 17461.5 46.6 45.6 5.8
5 2 2 2 26.712 53.423 1.71363 9894.6 26.4 25.8 5.8
6 4 0 0 31.268 62.536 1.48405 4619.6 12.3 11.9 5.8
7 3 3 1 34.445 68.889 1.36186 7186.6 19.2 18.3 5.9
8 4 2 0 35.472 70.944 1.32737 12774.0 34.1 32.4 5.9
9 2 2 4 39.471 78.942 1.21172 9606.4 25.6 24.0 6.0
10 1 1 5 42.396 84.792 1.14242 5587.5 14.9 13.7 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)
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