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Al₂Mo₃C

Cubic · space group P4132 (No. 213) · Pearson cP24

Symmetry elements and Wyckoff positions (interactive)

Al₂Mo₃C in P4132

Setting
Loading the group…
x = 0.10, y = 0.17, z = 0.08

Unit cell

Lattice constants
a = 6.840 Å, b = 6.840 Å, c = 6.840 Å; α = 90.00°, β = 90.00°, γ = 90.00°
Cell volume
320.0 ų
Atoms in the conventional cell
24 (C 4, Al 8, Mo 12)
Formula units Z
4
Pearson symbol
cP24 — cubic, primitive lattice, 24 atoms per conventional cell
Symmetry operations
24 per cell

Crystallographic sites

SiteElementWyckoffMultiplicityxyz
C2C4a40.37500.37500.3750
Al1Al8c80.06100.06100.0610
Mo3Mo12d120.12500.20600.4560

The multiplicity and the Wyckoff letter say how many copies of the site the group makes in one cell and on which kind of symmetry element the site sits; the 24 atoms drawn above are these sites multiplied by all 24 operations. Press Wyckoff under Colour to see the sites, and tick a symmetry element on the left to see which atoms lie on it.

How to read the label

A2BC3_cP24_213_c_a_d-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol cP24, then the space-group number 213, then the Wyckoff letters occupied by each element in turn (C: 4a; Al: 8c; Mo: 12d). Two structures with the same label are the same arrangement with different cell parameters or coordinates.

Other compounds with this structure

Ag₂Pd₃Sn, Al₂Nb₃C, Al₂Nb₃N, Al₂Ta₃C, Cr₂Re₃B, Li₂Pd₃B, Li₂Pt₃B, Mn₂Rh₃P, Ni₂W₃N, Re₂W₃C, Rh₂Mo₃N, (Fe_{2-x}Rh_{x})Mo₃N <!--beginning with an

Source

Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A2BC3_cP24_213_c_a_d-001 (M. J. Mehl et al., Comput. Mater. Sci. 136, S1 (2017); D. Hicks et al., ibid. 161, S1 (2019) and 199, 110450 (2021); S. Eckert et al., ibid. 240, 112988 (2024)). Symmetry elements, Wyckoff assignment and the diagram are computed on this page from the group operations.

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