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Information card for entry 2237543
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| Coordinates | 2237543.cif |
|---|---|
| Structure factors | 2237543.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider; PubChem |
| Chemical name | 1β,15α-Dihydroxy-16α,17-epoxypregn-4-ene-3,20-dione |
|---|---|
| Formula | C21 H28 O5 |
| Calculated formula | C21 H28 O5 |
| SMILES | O[C@@H]1CC(=O)C=C2CC[C@@H]3[C@@H]([C@@]12C)CC[C@]1([C@H]3[C@@H](O)[C@H]2O[C@@]12C(=O)C)C |
| Title of publication | 1β,15α-Dihydroxy-16α,17-epoxypregn-4-ene-3,20-dione |
| Authors of publication | Shen, Yan-Bing; Wang, Yi-Bo; Luo, Jian-Mei; Wang, Min |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2013 |
| Journal volume | 69 |
| Journal issue | 3 |
| Pages of publication | o447 |
| a | 7.6372 ± 0.001 Å |
| b | 13.7067 ± 0.0016 Å |
| c | 17.083 ± 0.002 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 1788.3 ± 0.4 Å3 |
| Cell temperature | 113 ± 2 K |
| Ambient diffraction temperature | 113 ± 2 K |
| Number of distinct elements | 3 |
| Space group number | 19 |
| Hermann-Mauguin space group symbol | P 21 21 21 |
| Hall space group symbol | P 2ac 2ab |
| Residual factor for all reflections | 0.0568 |
| Residual factor for significantly intense reflections | 0.0433 |
| Weighted residual factors for significantly intense reflections | 0.0711 |
| Weighted residual factors for all reflections included in the refinement | 0.0769 |
| Goodness-of-fit parameter for all reflections included in the refinement | 0.941 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301806 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/23 Each referenced PubChem compound corresponds to the full crystal structure. |
2237543.cif 2237543.hkl |
| 201979 | 2017-10-13 | cif/2/ Marking COD entries in range 2/23 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. |
2237543.cif 2237543.hkl |
| 181297 | 2016-04-03 | hkl/2/23/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/23/75. |
2237543.cif 2237543.hkl |
| 176798 | 2016-02-21 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/23. |
2237543.cif 2237543.hkl |
| 88055 | 2013-08-28 | cod/cif/ (saulius@koala.ibt.lt) Adding the _cod_database_fobs_code links for those COD CIFs that have their Fobs deposited recently. |
2237543.cif 2237543.hkl |
| 88054 | 2013-08-28 | cod/hkl/ (saulius@koala.ibt.lt) Adding Fobs files for the recently deposited IUCr coordinate data. |
2237543.cif 2237543.hkl |
| 78837 | 2013-04-02 | cif/ Adding structures of 2237543 via cif-deposit CGI script. |
2237543.cif |
All data in the COD and the database itself are dedicated to the
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Users of the data should acknowledge the original authors of the
structural data.