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Information card for entry 2232553
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| Coordinates | 2232553.cif |
|---|---|
| Structure factors | 2232553.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider |
| Chemical name | (1<i>S</i>,6<i>S</i>,2<i>R</i>)-9,13-dimethyl-5-methylene-3- oxatricyclo[8.3.0.0^2,6^]trideca-9,12-diene-4,11-dione |
|---|---|
| Formula | C15 H16 O3 |
| Calculated formula | C15 H16 O3 |
| SMILES | O=C1C2=C(CC[C@@H]3[C@H](OC(=O)C3=C)[C@H]2C(=C1)C)C |
| Title of publication | Dehydroleucodin: a guaiane-type sesquiterpene lactone |
| Authors of publication | Priestap, Horacio A.; Abboud, Khalil A.; Velandia, Alvaro E.; Lopez, Luis A.; Barbieri, Manuel A. |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2011 |
| Journal volume | 67 |
| Journal issue | 12 |
| Pages of publication | o3470 |
| a | 7.5101 ± 0.0003 Å |
| b | 11.1065 ± 0.0004 Å |
| c | 15.0228 ± 0.0006 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 1253.07 ± 0.08 Å3 |
| Cell temperature | 100 ± 2 K |
| Ambient diffraction temperature | 100 ± 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 | 0.0271 |
| Residual factor for significantly intense reflections | 0.0269 |
| Weighted residual factors for significantly intense reflections | 0.0683 |
| Weighted residual factors for all reflections included in the refinement | 0.0684 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.046 |
| Diffraction radiation wavelength | 1.54178 Å |
| Diffraction radiation type | CuKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 201979 (current) | 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. |
2232553.cif 2232553.hkl |
| 181247 | 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 2/23/25. |
2232553.cif 2232553.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. |
2232553.cif 2232553.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2232553.cif 2232553.hkl |
| 88064 | 2013-08-29 | Adding _cod_database_fobs_code data item to all COD CIFs that have Fobs deposited and did not have this data item yet. | 2232553.cif 2232553.hkl |
| 31968 | 2012-01-03 | hkl/ Adding automatically assigned IUCr Fobs data for the rest of the year 2001 structures. |
2232553.cif 2232553.hkl |
| 31422 | 2012-01-02 | ../uploads/cif-deposit/cod/cif Adding structures of 2232553 via cif-deposit CGI script. |
2232553.cif |
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Users of the data should acknowledge the original authors of the
structural data.