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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GOLD
1, t-copper, s-gold
Au
Cubic F m3m Z = 4
Fm3m
3 .6 .1992
Ref.Str.:
Wyckoff R.W.G. (1963)
* Crystal Structures, 1, 7-10
R: ATOMIC. N.A.D.
Initial data from BDM-file
Lattice parameters (cub. angs.,degr.):
a = 4.0782 alpha = 90.0
b = 4.0782 beta = 90.0
c = 4.0782 gamma = 90.0
Unit cell volume (cub. angs.) = 67.83
Molar volume ( cub.cm/mol.) = 10.21
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 Au = 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 1 0.5 0.0 0.5
3 1 0.5 0.5 0.0
4 1 0.0 0.5 0.5
X-ray density (g/cm cub.) = 19.28
MU (1/cm) = 4010.525 Mass attenuation coefficient (cm**2/g) = 208.0
Selected interatomic distances (cation-anion,anion-anion):
NoP Atom Rad.sph. C.N. Distance NoP N.
(angs.) (angs.)
1 Au 3.456 12
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
2.8838 1
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 19.095 38.191 0.212 16.0 8 244.8 166720.7
2 2 0 0 22.194 44.389 0.245 11.43 6 234.2 81809.7
3 2 2 0 32.291 64.582 0.347 4.91 12 204.3 53412.6
4 1 1 3 38.787 77.574 0.407 3.42 24 188.7 63536.2
5 2 2 2 40.865 81.731 0.425 3.15 8 184.3 18623.6
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 19.095 38.191 2.35458 166720.7 100.0 100.0 5.7
2 2 0 0 22.194 44.389 2.03912 81809.7 49.1 48.8 5.7
3 2 2 0 32.291 64.582 1.44188 53412.6 32.0 31.0 5.9
4 1 1 3 38.787 77.574 1.22964 63536.2 38.1 36.0 6.0
5 2 2 2 40.865 81.731 1.17729 18623.6 11.2 10.4 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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