Crystal Lab › Prototype structures › Monoclinic
Sc₃RhC₄
Monoclinic · space group C12/m1 (No. 12) · Pearson mC32
Symmetry elements and Wyckoff positions (interactive)
Sc₃RhC₄ in C12/m1
SettingUnit cell
- Lattice constants
- a = 5.602 Å, b = 12.258 Å, c = 5.602 Å; α = 90.00°, β = 106.37°, γ = 90.00°
- Cell volume
- 369.0 ų
- Atoms in the conventional cell
- 32 (Sc 12, Rh 4, C 16)
- Formula units Z
- 4
- Pearson symbol
- mC32 — monoclinic, base-centred lattice, 32 atoms per conventional cell
- Symmetry operations
- 8 per cell
Crystallographic sites
| Site | Element | Wyckoff | Multiplicity | x | y | z |
|---|---|---|---|---|---|---|
| Sc4 | Sc | 4g | 4 | 0.0000 | 0.1890 | 0.0000 |
| Sc5 | Sc | 4h | 4 | 0.0000 | 0.3101 | 0.5000 |
| Rh3 | Rh | 4i | 4 | 0.7333 | 0.0000 | 0.7331 |
| Sc6 | Sc | 4i | 4 | 0.2425 | 0.0000 | 0.7575 |
| C1 | C | 8j | 8 | 0.0814 | 0.3702 | 0.9222 |
| C2 | C | 8j | 8 | 0.0796 | 0.1290 | 0.4205 |
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 32 atoms drawn above are these sites multiplied by all 8 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
A4BC3_mC32_12_2j_i_ghi-002: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol mC32, then the space-group number 12, then the Wyckoff letters occupied by each element in turn (Sc: 4g; Sc: 4h; Rh: 4i; Sc: 4i; C: 8j; C: 8j). Two structures with the same label are the same arrangement with different cell parameters or coordinates.
Other compounds with this structure
Sc₃CoC₄, Sc₃IrC₄, Sc₃NiC₄, Sc₃OsC₄, Sc₃RhC₄ <!--beginning with an
Source
Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A4BC3_mC32_12_2j_i_ghi-002 (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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