Crystal Lab › Prototype structures › Orthorhombic
β-Toluene C₇H₈
Orthorhombic · space group Pbcn (No. 60) · Pearson oP120 · mineral: toluene
Symmetry elements and Wyckoff positions (interactive)
β-Toluene in Pbcn
SettingUnit cell
- Lattice constants
- a = 13.850 Å, b = 11.420 Å, c = 7.390 Å; α = 90.00°, β = 90.00°, γ = 90.00°
- Cell volume
- 1168.9 ų
- Atoms in the conventional cell
- 120 (C 56, H 64)
- Formula units Z
- 8
- Pearson symbol
- oP120 — orthorhombic, primitive lattice, 120 atoms per conventional cell
- Symmetry operations
- 8 per cell
Crystallographic sites
| Site | Element | Wyckoff | Multiplicity | x | y | z |
|---|---|---|---|---|---|---|
| C1 | C | 8d | 8 | 0.8820 | 0.3932 | 0.0783 |
| C2 | C | 8d | 8 | 0.7764 | 0.3800 | 0.0411 |
| C3 | C | 8d | 8 | 0.7264 | 0.4631 | 0.9411 |
| C4 | C | 8d | 8 | 0.6289 | 0.4507 | 0.9069 |
| C5 | C | 8d | 8 | 0.5794 | 0.3554 | 0.9717 |
| C6 | C | 8d | 8 | 0.6276 | 0.2723 | 0.0710 |
| C7 | C | 8d | 8 | 0.7251 | 0.2844 | 0.1054 |
| H8 | H | 8d | 8 | 0.7616 | 0.5329 | 0.8930 |
| H9 | H | 8d | 8 | 0.5940 | 0.5116 | 0.8344 |
| H10 | H | 8d | 8 | 0.5088 | 0.3466 | 0.9468 |
| H11 | H | 8d | 8 | 0.5917 | 0.2026 | 0.1185 |
| H12 | H | 8d | 8 | 0.7593 | 0.2232 | 0.1779 |
| H13 | H | 8d | 8 | 0.8972 | 0.4784 | 0.0950 |
| H14 | H | 8d | 8 | 0.9192 | 0.3624 | 0.9724 |
| H15 | H | 8d | 8 | 0.9002 | 0.3492 | 0.1895 |
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 120 atoms drawn above are these sites multiplied by all 8 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
A7B8_oP120_60_7d_8d-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol oP120, then the space-group number 60, then the Wyckoff letters occupied by each element in turn (C: 8d; C: 8d; C: 8d; C: 8d; C: 8d; C: 8d; C: 8d; H: 8d; H: 8d; H: 8d; H: 8d; H: 8d; H: 8d; H: 8d; H: 8d). Two structures with the same label are the same arrangement with different cell parameters or coordinates.
Note: \beta-Toluene.
Source
Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A7B8_oP120_60_7d_8d-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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