Crystal Lab › Prototype structures › Hexagonal
MnB₁₀H₁₀
Hexagonal · space group P62 (No. 171) · Pearson hP63
Symmetry elements and Wyckoff positions (interactive)
MnB₁₀H₁₀ in P62
SettingUnit cell
- Lattice constants
- a = 6.901 Å, b = 6.901 Å, c = 14.782 Å; α = 90.00°, β = 90.00°, γ = 120.00°
- Cell volume
- 609.7 ų
- Atoms in the conventional cell
- 63 (Mn 3, B 30, H 30)
- Formula units Z
- 3
- Pearson symbol
- hP63 — hexagonal / trigonal, primitive lattice, 63 atoms per conventional cell
- Symmetry operations
- 6 per cell
Crystallographic sites
| Site | Element | Wyckoff | Multiplicity | x | y | z |
|---|---|---|---|---|---|---|
| Mn1 | Mn | 3b | 3 | 0.5000 | 0.5000 | 0.1772 |
| B2 | B | 6c | 6 | 0.8604 | 0.5014 | 0.8356 |
| B3 | B | 6c | 6 | 0.8857 | 0.2662 | 0.7910 |
| B4 | B | 6c | 6 | 0.8806 | 0.3585 | 0.6754 |
| B5 | B | 6c | 6 | 0.8560 | 0.5955 | 0.7203 |
| B6 | B | 6c | 6 | 0.6856 | 0.3246 | 0.7541 |
| H7 | H | 6c | 6 | 0.7876 | 0.5244 | 0.8994 |
| H8 | H | 6c | 6 | 0.8376 | 0.0964 | 0.8183 |
| H9 | H | 6c | 6 | 0.8227 | 0.2649 | 0.6101 |
| H10 | H | 6c | 6 | 0.7797 | 0.6916 | 0.6940 |
| H11 | H | 6c | 6 | 0.4986 | 0.2220 | 0.7526 |
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 63 atoms drawn above are these sites multiplied by all 6 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
A10B10C_hP63_171_5c_5c_b-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol hP63, then the space-group number 171, then the Wyckoff letters occupied by each element in turn (Mn: 3b; B: 6c; B: 6c; B: 6c; B: 6c; B: 6c; H: 6c; H: 6c; H: 6c; H: 6c; H: 6c). Two structures with the same label are the same arrangement with different cell parameters or coordinates.
Source
Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A10B10C_hP63_171_5c_5c_b-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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