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Information card for entry 2242304
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| Coordinates | 2242304.cif | 
|---|---|
| Structure factors | 2242304.hkl | 
| Original paper (by DOI) | HTML | 
| External links | PubChem | 
| Common name | 7-hydroxyroyleanone | 
|---|---|
| Chemical name | (4b<i>S</i>,8a<i>S</i>,10<i>S</i>)-3,10-Dihydroxy-2-isopropyl-4b,8,8-trimethyl-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-1,4-dione | 
| Formula | C20 H28 O4 | 
| Calculated formula | C20 H28 O4 | 
| SMILES | [C@]12([C@H](C(CCC1)(C)C)C[C@@H](C1=C2C(=O)C(=C(C1=O)C(C)C)O)O)C | 
| Title of publication | Crystal structure of 7β-hydroxyroyleanone isolated from <i>Taxodium ascendens</i> (B.) | 
| Authors of publication | Xu, Shicheng; Ma, Xinhua; Ke, Ruifang; Deng, Shihao; Yang, Xinzhou; Song, Ping | 
| Journal of publication | Acta Crystallographica Section E | 
| Year of publication | 2017 | 
| Journal volume | 73 | 
| Journal issue | 10 | 
| Pages of publication | 1414 - 1416 | 
| a | 10.257 ± 0.0018 Å | 
| b | 7.6151 ± 0.0013 Å | 
| c | 11.503 ± 0.002 Å | 
| α | 90° | 
| β | 101.11 ± 0.003° | 
| γ | 90° | 
| Cell volume | 881.6 ± 0.3 Å3 | 
| Cell temperature | 296 ± 2 K | 
| Ambient diffraction temperature | 296 ± 2 K | 
| Number of distinct elements | 3 | 
| Space group number | 4 | 
| Hermann-Mauguin space group symbol | P 1 21 1 | 
| Hall space group symbol | P 2yb | 
| Residual factor for all reflections | 0.0322 | 
| Residual factor for significantly intense reflections | 0.0303 | 
| Weighted residual factors for significantly intense reflections | 0.0812 | 
| Weighted residual factors for all reflections included in the refinement | 0.083 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.029 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301807 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/24 Each referenced PubChem compound corresponds to the full crystal structure. | 2242304.cif 2242304.hkl | 
| 200206 | 2017-09-06 | cif/ hkl/ Adding structures of 2242304 via cif-deposit CGI script. | 2242304.cif 2242304.hkl | 
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          Users of the data should acknowledge the original authors of the
          structural data.