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Information card for entry 2234042
Preview
| Coordinates | 2234042.cif |
|---|---|
| Structure factors | 2234042.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider; PubChem |
| Chemical name | 4-Chlorophenyl 2-oxo-2<i>H</i>-chromene-3-carboxylate |
|---|---|
| Formula | C16 H9 Cl O4 |
| Calculated formula | C16 H9 Cl O4 |
| SMILES | Clc1ccc(OC(=O)c2c(=O)oc3c(c2)cccc3)cc1 |
| Title of publication | 4-Chlorophenyl 2-oxo-2<i>H</i>-chromene-3-carboxylate |
| Authors of publication | Guo, Xiao-Qiang; Yan, Jun; Gan, Ya; Song, Qin; Gou, Xiao-Jun |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2012 |
| Journal volume | 68 |
| Journal issue | 3 |
| Pages of publication | o574 |
| a | 15.7586 ± 0.0006 Å |
| b | 7.0694 ± 0.0002 Å |
| c | 12.7167 ± 0.0006 Å |
| α | 90° |
| β | 113.037 ± 0.005° |
| γ | 90° |
| Cell volume | 1303.71 ± 0.1 Å3 |
| Cell temperature | 135 ± 1 K |
| Ambient diffraction temperature | 135 ± 1 K |
| Number of distinct elements | 4 |
| Space group number | 14 |
| Hermann-Mauguin space group symbol | P 1 21/c 1 |
| Hall space group symbol | -P 2ybc |
| Residual factor for all reflections | 0.0584 |
| Residual factor for significantly intense reflections | 0.0401 |
| Weighted residual factors for significantly intense reflections | 0.0823 |
| Weighted residual factors for all reflections included in the refinement | 0.0923 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.041 |
| Diffraction radiation wavelength | 0.7107 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. |
2234042.cif 2234042.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. |
2234042.cif 2234042.hkl |
| 181262 | 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 2/23/40. |
2234042.cif 2234042.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. |
2234042.cif 2234042.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2234042.cif 2234042.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. | 2234042.cif 2234042.hkl |
| 66590 | 2012-09-11 | hkl/ Adding assigned .htl files for the most recent IUCr data depositions. |
2234042.cif 2234042.hkl |
| 51308 | 2012-04-03 | ../uploads/cif-deposit/cod/cif Adding structures of 2234042 via cif-deposit CGI script. |
2234042.cif |
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Users of the data should acknowledge the original authors of the
structural data.