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Information card for entry 2018905
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| Coordinates | 2018905.cif | 
|---|---|
| Structure factors | 2018905.hkl | 
| Original IUCr paper | HTML | 
| External links | ChemSpider; PubChem | 
| Chemical name | 5-Bromo-6-hydroxy-7,8-dimethylchroman-2-one | 
|---|---|
| Formula | C11 H11 Br O3 | 
| Calculated formula | C11 H11 Br O3 | 
| SMILES | O1C(=O)CCc2c(Br)c(O)c(C)c(C)c12 | 
| Title of publication | Similarities and differences in the structures of 5-bromo-6-hydroxy-7,8-dimethylchroman-2-one and 6-hydroxy-7,8-dimethyl-5-nitrochroman-2-one | 
| Authors of publication | Goswami, Shailesh K.; Hanton, Lyall R.; McAdam, C. John; Moratti, Stephen C.; Simpson, Jim | 
| Journal of publication | Acta Crystallographica Section C | 
| Year of publication | 2013 | 
| Journal volume | 69 | 
| Journal issue | 4 | 
| Pages of publication | 407 - 411 | 
| a | 16.2247 ± 0.0019 Å | 
| b | 16.2247 ± 0.0019 Å | 
| c | 7.6586 ± 0.0008 Å | 
| α | 90° | 
| β | 90° | 
| γ | 90° | 
| Cell volume | 2016.1 ± 0.4 Å3 | 
| Cell temperature | 91 ± 2 K | 
| Ambient diffraction temperature | 91 ± 2 K | 
| Number of distinct elements | 4 | 
| Space group number | 114 | 
| Hermann-Mauguin space group symbol | P -4 21 c | 
| Hall space group symbol | P -4 2n | 
| Residual factor for all reflections | 0.0363 | 
| Residual factor for significantly intense reflections | 0.0323 | 
| Weighted residual factors for significantly intense reflections | 0.0754 | 
| Weighted residual factors for all reflections included in the refinement | 0.0776 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.104 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301798 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/01 Each referenced PubChem compound corresponds to the full crystal structure. | 2018905.cif 2018905.hkl | 
| 201957 | 2017-10-13 | cif/2/ Marking COD entries in range 2/01 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. | 2018905.cif 2018905.hkl | 
| 180858 | 2016-04-02 | cif/2/01/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/01/89. | 2018905.cif 2018905.hkl | 
| 176760 | 2016-02-20 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/01. | 2018905.cif 2018905.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. | 2018905.cif 2018905.hkl | 
| 88054 | 2013-08-28 | cod/hkl/ (saulius@koala.ibt.lt) Adding Fobs files for the recently deposited IUCr coordinate data. | 2018905.cif 2018905.hkl | 
| 85346 | 2013-05-07 | cif/ Adding structures of 2018905, 2018906 via cif-deposit CGI script. | 2018905.cif | 
          All data in the COD and the database itself are dedicated to the
          public domain and licensed under the
          
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          Users of the data should acknowledge the original authors of the
          structural data.