Crystal Lab › Prototype structures › Monoclinic
MnPS₃
Monoclinic · space group C12/m1 (No. 12) · Pearson mC20
Symmetry elements and Wyckoff positions (interactive)
MnPS₃ in C12/m1
SettingUnit cell
- Lattice constants
- a = 6.077 Å, b = 10.524 Å, c = 10.380 Å; α = 90.00°, β = 141.32°, γ = 90.00°
- Cell volume
- 414.9 ų
- Atoms in the conventional cell
- 20 (Mn 4, P 4, S 12)
- Formula units Z
- 4
- Pearson symbol
- mC20 — monoclinic, base-centred lattice, 20 atoms per conventional cell
- Symmetry operations
- 8 per cell
Crystallographic sites
| Site | Element | Wyckoff | Multiplicity | x | y | z |
|---|---|---|---|---|---|---|
| Mn1 | Mn | 4g | 4 | 0.0000 | 0.3326 | 0.0000 |
| P2 | P | 4i | 4 | 0.2242 | 0.0000 | 0.1686 |
| S3 | S | 4i | 4 | 0.0090 | 0.0000 | 0.2497 |
| S4 | S | 8j | 8 | 0.4954 | 0.1612 | 0.2516 |
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 20 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
ABC3_mC20_12_g_i_ij-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol mC20, then the space-group number 12, then the Wyckoff letters occupied by each element in turn (Mn: 4g; P: 4i; S: 4i; S: 8j). Two structures with the same label are the same arrangement with different cell parameters or coordinates.
Other compounds with this structure
CdPS₃, CdPSe₃, CoPS₃, CoPSe₃, CrGeTe₃, CrPS₃, FePS₃, FePSe₃, MnPS₃, MnPSe₃, NiPS₃, NiPSe₃, ZnPS₃ <!--beginning with an
Source
Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry ABC3_mC20_12_g_i_ij-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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