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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TETRAFERROPLATINUM
6, t-tetraferroplatinum, analogue
[Mn(0.4)Co(0.6)]Pt
Tetragonal P 4/mmm Z = 1
P4/mmm
20 .2 .24
Ref.Str.:
Woolley J.C., Bates B. (1964)
* J. Less-Common Metals, 6, 461-471
R: N.A.D.
Initial data from BDM-file
Lattice parameters (cub. angs.,degr.):
a = 2.71 alpha = 90.0
b = 2.71 beta = 90.0
c = 3.709 gamma = 90.0
Unit cell volume (cub. angs.) = 27.24
Molar volume ( cub.cm/mol.) = 16.41
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 Co = 0.6 , Mn = 0.4
2 0.5 0.5 0.5 0.0 Pt = 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
X-ray density (g/cm cub.) = 15.38
MU (1/cm) = 3591.38 Mass attenuation coefficient (cm**2/g) = 233.462
Selected interatomic distances (cation-anion,anion-anion):
NoP Atom Rad.sph. C.N. Distance NoP N.
(angs.) (angs.)
1 Co ,Mn 3.12 4
2.71 1
2.71 1
2.71 1
2.71 1
2 Pt 2.328 0
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 13.955 27.91 0.135 31.55 2 49.0 20386.6
2 1 0 0 19.272 38.545 0.185 15.67 4 46.7 18460.4
3 1 0 1 24.128 48.256 0.229 9.46 8 83.3 70780.5
4 1 1 0 27.825 55.65 0.261 6.84 4 79.7 23427.6
5 0 0 2 28.837 57.674 0.27 6.31 2 78.8 10550.2
6 1 1 1 31.695 63.389 0.294 5.11 8 41.9 9676.5
7 1 0 2 35.763 71.527 0.327 3.97 8 40.6 7053.1
8 2 0 0 41.309 82.618 0.369 3.11 4 68.8 7913.9
9 1 1 2 42.16 84.319 0.375 3.02 8 68.2 15154.8
10 2 0 1 44.651 89.303 0.393 2.85 8 38.1 4466.0
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 0 0 1 13.955 27.91 3.709 20386.6 28.8 29.4 5.6
2 1 0 0 19.272 38.545 2.71 18460.4 26.1 26.4 5.7
3 1 0 1 24.128 48.256 2.18815 70780.5 100.0 100.0 5.7
4 1 1 0 27.825 55.65 1.91626 23427.6 33.1 32.8 5.8
5 0 0 2 28.837 57.674 1.8545 10550.2 14.9 14.7 5.8
6 1 1 1 31.695 63.389 1.70247 9676.5 13.7 13.4 5.9
7 1 0 2 35.763 71.527 1.53046 7053.1 10.0 9.6 5.9
8 2 0 0 41.309 82.618 1.355 7913.9 11.2 10.5 6.1
9 1 1 2 42.16 84.319 1.33263 15154.8 21.4 20.1 6.1
10 2 0 1 44.651 89.303 1.27273 4466.0 6.3 5.9 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)
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