Crystal Lab › Prototype structures › Hexagonal
TlFe₃Te₃
Hexagonal · space group P63/m (No. 176) · Pearson hP14
Symmetry elements and Wyckoff positions (interactive)
TlFe₃Te₃ in P63/m
SettingUnit cell
- Lattice constants
- a = 9.350 Å, b = 9.350 Å, c = 4.223 Å; α = 90.00°, β = 90.00°, γ = 120.00°
- Cell volume
- 319.7 ų
- Atoms in the conventional cell
- 14 (Tl 2, Fe 6, Te 6)
- Formula units Z
- 2
- Pearson symbol
- hP14 — hexagonal / trigonal, primitive lattice, 14 atoms per conventional cell
- Symmetry operations
- 12 per cell
Crystallographic sites
| Site | Element | Wyckoff | Multiplicity | x | y | z |
|---|---|---|---|---|---|---|
| Tl3 | Tl | 2c | 2 | 0.3333 | 0.6667 | 0.2500 |
| Fe1 | Fe | 6h | 6 | 0.8300 | 0.8510 | 0.2500 |
| Te2 | Te | 6h | 6 | 0.9540 | 0.6430 | 0.2500 |
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 14 atoms drawn above are these sites multiplied by all 12 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
A3B3C_hP14_176_h_h_c-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol hP14, then the space-group number 176, then the Wyckoff letters occupied by each element in turn (Tl: 2c; Fe: 6h; Te: 6h). Two structures with the same label are the same arrangement with different cell parameters or coordinates.
Other compounds with this structure
CrSr₃N₃, CsMo₃Te₃, InMo₃Se₃, InMo₃Te₃, KMo₃Se₃, KMo₃Te₃, NaMo₃Se₃, RbMo₃Te₃, TlMo₃Se₃, TlMo₃Te₃ <!--beginning with an
Source
Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A3B3C_hP14_176_h_h_c-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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