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High-Temperature ZrW₂O₈ O₈W₂Zr

Cubic · space group Pa-3 (No. 205) · Pearson cP60

Symmetry elements and Wyckoff positions (interactive)

High-Temperature ZrW₂O₈ in Pa-3

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

Unit cell

Lattice constants
a = 9.137 Å, b = 9.137 Å, c = 9.137 Å; α = 90.00°, β = 90.00°, γ = 90.00°
Cell volume
762.8 ų
Atoms in the conventional cell
60 (Zr 4, O 40, W 16)
Formula units Z
4
Pearson symbol
cP60 — cubic, primitive lattice, 60 atoms per conventional cell
Symmetry operations
24 per cell

Crystallographic sites

SiteElementWyckoffMultiplicityxyz
Zr1Zr4a40.00000.00000.0000
O2O8c80.50550.50550.5055
O3O8c80.23220.23220.2322
W4W8c80.33940.33940.3394
W5W8c80.60350.60350.6035
O6O24d240.05490.79110.9329

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 60 atoms drawn above are these sites multiplied by all 24 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

A10B4C_cP60_205_2cd_2c_a-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol cP60, then the space-group number 205, then the Wyckoff letters occupied by each element in turn (Zr: 4a; O: 8c; O: 8c; W: 8c; W: 8c; O: 24d). Two structures with the same label are the same arrangement with different cell parameters or coordinates.

Other compounds with this structure

HfW₂O₈ <!--beginning with an

Note: HT ZrW₂O₈.

Source

Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A10B4C_cP60_205_2cd_2c_a-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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