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Crystal Lab › Prototype structures › Hexagonal

MnB₁₀H₁₀

Hexagonal · space group P62 (No. 171) · Pearson hP63

Symmetry elements and Wyckoff positions (interactive)

MnB₁₀H₁₀ in P62

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

Unit 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

SiteElementWyckoffMultiplicityxyz
Mn1Mn3b30.50000.50000.1772
B2B6c60.86040.50140.8356
B3B6c60.88570.26620.7910
B4B6c60.88060.35850.6754
B5B6c60.85600.59550.7203
B6B6c60.68560.32460.7541
H7H6c60.78760.52440.8994
H8H6c60.83760.09640.8183
H9H6c60.82270.26490.6101
H10H6c60.77970.69160.6940
H11H6c60.49860.22200.7526

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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