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
3, t-tetraferroplatinum, analogue
[Fe(0.5)Mn(0.5)]Pt
Tetragonal P 4/mmm Z = 1
P4/mmm
20 .2 .24
Ref.Str.:
Gasnikova G.P., Dorofeev Yu.A., Menshikov A.Z., Sidorov S.K.,
Petrov, S.B. (1982) * Fizika Metallov i Metallovedenie, 53, 307-314
R: N.A.D.
Initial data from BDM-file
Lattice parameters (cub. angs.,degr.):
a = 2.786 alpha = 90.0
b = 2.786 beta = 90.0
c = 3.65 gamma = 90.0
Unit cell volume (cub. angs.) = 28.33
Molar volume ( cub.cm/mol.) = 17.06
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 Fe = 0.5 , Mn = 0.5
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.) = 14.68
MU (1/cm) = 3412.838 Mass attenuation coefficient (cm**2/g) = 232.533
Selected interatomic distances (cation-anion,anion-anion):
NoP Atom Rad.sph. C.N. Distance NoP N.
(angs.) (angs.)
1 Fe ,Mn 3.12 4
2.786 1
2.786 1
2.786 1
2.786 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 14.185 28.37 0.137 30.47 2 49.6 18696.1
2 1 0 0 18.727 37.454 0.179 16.7 4 47.7 18947.6
3 1 0 1 23.822 47.644 0.226 9.74 8 82.9 66696.2
4 1 1 0 27.003 54.006 0.254 7.32 4 79.8 23227.8
5 0 0 2 29.348 58.696 0.274 6.07 2 77.6 9100.2
6 1 1 1 31.061 62.122 0.288 5.34 8 42.8 9757.0
7 1 0 2 35.867 71.734 0.328 3.95 8 41.2 6683.9
8 2 0 0 39.949 79.899 0.359 3.26 4 69.1 7753.6
9 1 1 2 41.921 83.842 0.373 3.05 8 67.7 13922.6
10 2 0 1 43.415 86.831 0.384 2.92 8 39.1 4445.7
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 14.185 28.37 3.65 18696.1 28.0 28.6 5.6
2 1 0 0 18.727 37.454 2.786 18947.6 28.4 28.7 5.7
3 1 0 1 23.822 47.644 2.2146 66696.2 100.0 100.0 5.7
4 1 1 0 27.003 54.006 1.97 23227.8 34.8 34.6 5.8
5 0 0 2 29.348 58.696 1.825 9100.2 13.6 13.5 5.8
6 1 1 1 31.061 62.122 1.73361 9757.0 14.6 14.3 5.8
7 1 0 2 35.867 71.734 1.52662 6683.9 10.0 9.7 5.9
8 2 0 0 39.949 79.899 1.393 7753.6 11.6 11.0 6.0
9 1 1 2 41.921 83.842 1.3388 13922.6 20.9 19.6 6.1
10 2 0 1 43.415 86.831 1.30144 4445.7 6.7 6.2 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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