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Information card for entry 7213920
Preview
| Coordinates | 7213920.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | PubChem |
| Common name | 4-aminopyridinium_hydrogenosulfate |
|---|---|
| Formula | C5 H8 N2 O4 S |
| Calculated formula | C5 H8 N2 O4 S |
| SMILES | [nH+]1ccc(N)cc1.[O-]S(=O)(=O)O |
| Title of publication | Anhydrates and/or hydrates in nitrate, sulphate and phosphate salts of 4-aminopyridine, (4-AP) and 3,4-diaminopyridine (3,4-DAP): the role of the water molecules in the hydrates |
| Authors of publication | Hursthouse, Michael B.; Montis, Riccardo; Niitsoo, Liisa; Sarson, Jonathan; Threlfall, Terence L.; Asiri, Abdullah Mohamed; Khan, Salman Ahmad; Obaid, Abdullah Yousef; Al-Harbi, Laila Mohammad |
| Journal of publication | CrystEngComm |
| Year of publication | 2014 |
| Journal volume | 16 |
| Journal issue | 11 |
| Pages of publication | 2205 |
| a | 10.9507 ± 0.0004 Å |
| b | 6.4615 ± 0.0002 Å |
| c | 11.2614 ± 0.0003 Å |
| α | 90° |
| β | 102.988 ± 0.002° |
| γ | 90° |
| Cell volume | 776.45 ± 0.04 Å3 |
| Cell temperature | 120 ± 2 K |
| Ambient diffraction temperature | 120 ± 2 K |
| Number of distinct elements | 5 |
| Space group number | 14 |
| Hermann-Mauguin space group symbol | P 1 21/n 1 |
| Hall space group symbol | -P 2yn |
| Residual factor for all reflections | 0.0409 |
| Residual factor for significantly intense reflections | 0.033 |
| Weighted residual factors for significantly intense reflections | 0.0944 |
| Weighted residual factors for all reflections included in the refinement | 0.1 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.065 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301864 (current) | 2025-08-22 | Add cross-references to PubChem compounds in COD range 7/21/ Each referenced PubChem compound corresponds to the full crystal structure. |
7213920.cif |
| 180470 | 2016-03-26 | cif/7/21/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 7/21/39. |
7213920.cif |
| 105209 | 2014-03-11 | cif/ Adding structures of 7213919, 7213920, 7213921, 7213922, 7213923, 7213924, 7213925, 7213926, 7213927 via cif-deposit CGI script. |
7213920.cif |
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Users of the data should acknowledge the original authors of the
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