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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=42746 Help
TitleOn the crystal chemistry of close packed transition-metal carbides. I. The crystal structures of the zeta-V, Nb and Ta carbides.
AuthorsYvon, K.;Parthe, E.
ReferenceIC&volume=26&fpage=149&details=yes target=icsd_help>Acta Crystallographica B (1970) 26, 149-153
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CompoundC2.66 V4 - Vanadium carbide (4/2.66) - zeta [N2O3] [hR7] [c3 b a] []
Cell2.917(1), 2.917(1), 27.830(10), 90., 90., 120.
R3-MH (166) V=205.08
RemarksD P =24-1390 :
No R value given in the paper.
At least one temperature factor missing in the paper.
Cell of Nb4C3: 3.14, 30.1
Cell of Ta4C3: 3.116, 30.0, C in 3a and 6c only
Rhombohedral cell: 9.428, alpha = 17.8

Atom (site) Oxid. x, y, z, B, Occupancy
V1(6c)0
V2(6c)0
C1(3a)0
C2(3b)0
C3(6c)0
000.1201
000.2901
00000.66
000.500.66
000.4100.66

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