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Information card for entry 2237654
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| Coordinates | 2237654.cif |
|---|---|
| Structure factors | 2237654.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider; PubChem |
| Common name | 7-nitrotropolone |
|---|---|
| Chemical name | 2-Hydroxy-7-nitrocyclohepta-2,4,6-trien-1-one |
| Formula | C7 H5 N O4 |
| Calculated formula | C7 H5 N O4 |
| SMILES | c1(=O)c(ccccc1N(=O)=O)O |
| Title of publication | 2-Hydroxy-7-nitrocyclohepta-2,4,6-trien-1-one |
| Authors of publication | Lyczko, Krzysztof; Lyczko, Monika |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2013 |
| Journal volume | 69 |
| Journal issue | 4 |
| Pages of publication | o536 |
| a | 9.6167 ± 0.0002 Å |
| b | 6.4772 ± 0.0001 Å |
| c | 11.7326 ± 0.0004 Å |
| α | 90° |
| β | 96.162 ± 0.002° |
| γ | 90° |
| Cell volume | 726.59 ± 0.03 Å3 |
| Cell temperature | 295 ± 2 K |
| Ambient diffraction temperature | 295 ± 2 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 | 0.0393 |
| Residual factor for significantly intense reflections | 0.0384 |
| Weighted residual factors for significantly intense reflections | 0.1046 |
| Weighted residual factors for all reflections included in the refinement | 0.1055 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.069 |
| Diffraction radiation wavelength | 1.54178 Å |
| Diffraction radiation type | CuKα |
| 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. |
2237654.cif 2237654.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. |
2237654.cif 2237654.hkl |
| 181298 | 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 2/23/76. |
2237654.cif 2237654.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. |
2237654.cif 2237654.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. |
2237654.cif 2237654.hkl |
| 88054 | 2013-08-28 | cod/hkl/ (saulius@koala.ibt.lt) Adding Fobs files for the recently deposited IUCr coordinate data. |
2237654.cif 2237654.hkl |
| 85394 | 2013-05-07 | cif/ Adding structures of 2237654 via cif-deposit CGI script. |
2237654.cif |
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Users of the data should acknowledge the original authors of the
structural data.