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Information card for entry 2227011
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| Coordinates | 2227011.cif |
|---|---|
| Structure factors | 2227011.hkl |
| Original IUCr paper | HTML |
| External links | PubChem |
| Common name | 2,5-dihydroxyterephthalic acid dihydrate |
|---|---|
| Chemical name | 2,5-dihydroxybenzene-1,4-dicarboxylic acid dihydrate |
| Formula | C8 H10 O8 |
| Calculated formula | C8 H10 O8 |
| SMILES | OC(=O)c1cc(O)c(cc1O)C(=O)O.O.O |
| Title of publication | 2,5-Dihydroxyterephthalic acid dihydrate |
| Authors of publication | Cheng, Po-Wen; Cheng, Chi-Feng; Chun-Ting, Yeh; Lin, Chia-Her |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 8 |
| Pages of publication | o1928 |
| a | 5.1883 ± 0.001 Å |
| b | 17.545 ± 0.004 Å |
| c | 5.499 ± 0.0012 Å |
| α | 90° |
| β | 103.03 ± 0.01° |
| γ | 90° |
| Cell volume | 487.68 ± 0.18 Å3 |
| Cell temperature | 295 ± 2 K |
| Ambient diffraction temperature | 295 ± 2 K |
| Number of distinct elements | 3 |
| 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 | 0.1348 |
| Residual factor for significantly intense reflections | 0.0605 |
| Weighted residual factors for significantly intense reflections | 0.1628 |
| Weighted residual factors for all reflections included in the refinement | 0.1926 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.021 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301805 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/22 Each referenced PubChem compound corresponds to the full crystal structure. |
2227011.cif 2227011.hkl |
| 181191 | 2016-04-03 | hkl/2/22/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22/70. |
2227011.cif 2227011.hkl |
| 176789 | 2016-02-20 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22. |
2227011.cif 2227011.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2227011.cif 2227011.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. | 2227011.cif 2227011.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2227011.cif 2227011.hkl |
| 1704 | 2010-11-03 | hkl/2/ Adding Fobs files for the recently deposited IUCr data. |
2227011.cif 2227011.hkl |
| 1553 | 2010-10-08 | cif/2/ Adding data from Acta-Cryst-E-2010_08/. |
2227011.cif |
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Users of the data should acknowledge the original authors of the
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