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Crystal Lab › Prototype structures › Tetragonal

ZnSb₂O₄

Tetragonal · space group P42/mbc (No. 135) · Pearson tP28

Symmetry elements and Wyckoff positions (interactive)

ZnSb₂O₄ in P42/mbc

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

Unit cell

Lattice constants
a = 8.491 Å, b = 8.491 Å, c = 5.920 Å; α = 90.00°, β = 90.00°, γ = 90.00°
Cell volume
426.8 ų
Atoms in the conventional cell
28 (Zn 4, O 16, Sb 8)
Formula units Z
4
Pearson symbol
tP28 — tetragonal, primitive lattice, 28 atoms per conventional cell
Symmetry operations
16 per cell

Crystallographic sites

SiteElementWyckoffMultiplicityxyz
Zn4Zn4d40.00000.50000.2500
O1O8g80.16900.66900.2500
O2O8h80.11400.38600.0000
Sb3Sb8h80.16700.17500.0000

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 28 atoms drawn above are these sites multiplied by all 16 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

A4B2C_tP28_135_gh_h_d-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol tP28, then the space-group number 135, then the Wyckoff letters occupied by each element in turn (Zn: 4d; O: 8g; O: 8h; Sb: 8h). Two structures with the same label are the same arrangement with different cell parameters or coordinates.

Other compounds with this structure

CoSb₂O₄, CuAs₂O₄, FeSb₂O₄ (schafarzikite), MgSb₂O₄, MnSb₂O₄, NiAs₂O₄, NiSb₂O₄, SnPb₂O₄, TiSn₂O₄ <!--beginning with an

Source

Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A4B2C_tP28_135_gh_h_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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