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Information card for entry 2236515
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| Coordinates | 2236515.cif |
|---|---|
| Structure factors | 2236515.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider; PubChem |
| Common name | chelidamic acid and 2,6-diaminopyridine |
|---|---|
| Chemical name | 2,6-Diaminopyridinium 4-hydroxypyridin-1-ium-2,6-dicarboxylate |
| Formula | C12 H12 N4 O5 |
| Calculated formula | C12 H12 N4 O5 |
| SMILES | [nH+]1c(cc(O)cc1C(=O)[O-])C(=O)[O-].[nH+]1c(N)cccc1N |
| Title of publication | Intra- and intermolecular proton transfer in 2,6-diaminopyridinium 4-hydroxypyridin-1-ium-2,6-dicarboxylate |
| Authors of publication | Ton, Quoc-Cuong; Bolte, Michael |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2012 |
| Journal volume | 68 |
| Journal issue | 10 |
| Pages of publication | o2860 - o2861 |
| a | 14.963 ± 0.003 Å |
| b | 8.5 ± 0.002 Å |
| c | 20.385 ± 0.004 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 2592.7 ± 0.9 Å3 |
| Cell temperature | 173 ± 2 K |
| Ambient diffraction temperature | 173 ± 2 K |
| Number of distinct elements | 4 |
| Space group number | 29 |
| Hermann-Mauguin space group symbol | P c a 21 |
| Hall space group symbol | P 2c -2ac |
| Residual factor for all reflections | 0.0431 |
| Residual factor for significantly intense reflections | 0.0362 |
| Weighted residual factors for significantly intense reflections | 0.0802 |
| Weighted residual factors for all reflections included in the refinement | 0.0828 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.037 |
| Diffraction radiation wavelength | 0.71073 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. |
2236515.cif 2236515.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. |
2236515.cif 2236515.hkl |
| 181287 | 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 2/23/65. |
2236515.cif 2236515.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. |
2236515.cif 2236515.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2236515.cif 2236515.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. | 2236515.cif 2236515.hkl |
| 74188 | 2013-02-22 | hkl/ Adding the rest of the Fobs data for the structures publishe din the IUCr journals in 2012 and in January of 2013. |
2236515.cif 2236515.hkl |
| 70091 | 2012-12-21 | cif/ Adding structures of 2236515 via cif-deposit CGI script. |
2236515.cif |
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Users of the data should acknowledge the original authors of the
structural data.