Crystal Lab › Prototype structures › Orthorhombic
Anhydrous β-D-Glucose (C₆H₁₂O₆)
Orthorhombic · space group P212121 (No. 19) · Pearson oP96 · mineral: beta-D-glucose
Symmetry elements and Wyckoff positions (interactive)
Anhydrous β-D-Glucose (C₆H₁₂O₆) in P212121
SettingUnit cell
- Lattice constants
- a = 9.290 Å, b = 12.650 Å, c = 6.700 Å; α = 90.00°, β = 90.00°, γ = 90.00°
- Cell volume
- 787.4 ų
- Atoms in the conventional cell
- 96 (C 24, H 48, O 24)
- Formula units Z
- 24
- Pearson symbol
- oP96 — orthorhombic, primitive lattice, 96 atoms per conventional cell
- Symmetry operations
- 4 per cell
Crystallographic sites
| Site | Element | Wyckoff | Multiplicity | x | y | z |
|---|---|---|---|---|---|---|
| C1 | C | 4a | 4 | 0.0203 | 0.1612 | 0.4590 |
| C2 | C | 4a | 4 | 0.9200 | 0.0713 | 0.3885 |
| C3 | C | 4a | 4 | 0.9930 | 0.0061 | 0.2243 |
| C4 | C | 4a | 4 | 0.0478 | 0.0768 | 0.0579 |
| C5 | C | 4a | 4 | 0.1479 | 0.1611 | 0.1454 |
| C6 | C | 4a | 4 | 0.2101 | 0.2384 | 0.9966 |
| H10 | H | 4a | 4 | 0.9559 | 0.1154 | 0.9836 |
| H11 | H | 4a | 4 | 0.2400 | 0.1202 | 0.2269 |
| H12 | H | 4a | 4 | 0.2799 | 0.2854 | 0.0910 |
| H13 | H | 4a | 4 | 0.2788 | 0.1897 | 0.9104 |
| H14 | H | 4a | 4 | 0.9979 | 0.2522 | 0.6970 |
| H15 | H | 4a | 4 | 0.7869 | 0.0277 | 0.5910 |
| H16 | H | 4a | 4 | 0.9031 | 0.8585 | 0.1687 |
| H17 | H | 4a | 4 | 0.1798 | 0.0087 | 0.7821 |
| H18 | H | 4a | 4 | 0.1033 | 0.3723 | 0.9104 |
| H7 | H | 4a | 4 | 0.1076 | 0.1320 | 0.5343 |
| H8 | H | 4a | 4 | 0.8181 | 0.1059 | 0.3298 |
| H9 | H | 4a | 4 | 0.0807 | 0.9613 | 0.2866 |
| O19 | O | 4a | 4 | 0.9386 | 0.2281 | 0.5821 |
| O20 | O | 4a | 4 | 0.8883 | 0.0059 | 0.5591 |
| O21 | O | 4a | 4 | 0.8851 | 0.9351 | 0.1439 |
| O22 | O | 4a | 4 | 0.1297 | 0.0168 | 0.9136 |
| O23 | O | 4a | 4 | 0.0640 | 0.2221 | 0.2884 |
| O24 | O | 4a | 4 | 0.0990 | 0.2938 | 0.8918 |
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 96 atoms drawn above are these sites multiplied by all 4 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
AB2C_oP96_19_6a_12a_6a-002: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol oP96, then the space-group number 19, then the Wyckoff letters occupied by each element in turn (C: 4a; C: 4a; C: 4a; C: 4a; C: 4a; C: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; H: 4a; O: 4a; O: 4a; O: 4a; O: 4a; O: 4a; O: 4a). Two structures with the same label are the same arrangement with different cell parameters or coordinates.
Note: \beta-D-glucose.
Source
Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry AB2C_oP96_19_6a_12a_6a-002 (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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