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Information card for entry 2021514
Preview
| Coordinates | 2021514.cif | 
|---|---|
| Structure factors | 2021514.hkl | 
| Original IUCr paper | HTML | 
| External links | PubChem | 
| Common name | KAP02082017 | 
|---|---|
| Chemical name | Benzene-1,2-diamine bis(benzoic acid) | 
| Formula | C20 H20 N2 O4 | 
| Calculated formula | C20 H20 N2 O4 | 
| SMILES | c1ccc(C(=O)O)cc1.c1c(N)c(ccc1)N.c1ccc(C(=O)O)cc1 | 
| Title of publication | Hydrogen bonding in two benzene-1,2-diaminium pyridine-2-carboxylate salts and a cocrystal of benzene-1,2-diamine and benzoic acid | 
| Authors of publication | Powers, Kyle A.; Geiger, David K. | 
| Journal of publication | Acta Crystallographica Section C | 
| Year of publication | 2019 | 
| Journal volume | 75 | 
| Journal issue | 3 | 
| a | 20.061 ± 0.003 Å | 
| b | 7.8464 ± 0.001 Å | 
| c | 11.6895 ± 0.0012 Å | 
| α | 90° | 
| β | 90° | 
| γ | 90° | 
| Cell volume | 1840 ± 0.4 Å3 | 
| Cell temperature | 200 ± 2 K | 
| Ambient diffraction temperature | 200 ± 2 K | 
| Number of distinct elements | 4 | 
| Space group number | 60 | 
| Hermann-Mauguin space group symbol | P b c n | 
| Hall space group symbol | -P 2n 2ab | 
| Residual factor for all reflections | 0.0395 | 
| Residual factor for significantly intense reflections | 0.0303 | 
| Weighted residual factors for significantly intense reflections | 0.0801 | 
| Weighted residual factors for all reflections included in the refinement | 0.0867 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.048 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301801 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/02 Each referenced PubChem compound corresponds to the full crystal structure.  | 
	2021514.cif 2021514.hkl | 
| 219800 | 2019-10-28 | cif/2 Fixing Z values and formulae  | 
	2021514.cif 2021514.hkl | 
| 213659 | 2019-02-15 | cif/ hkl/ Adding structures of 2021512, 2021513, 2021514 via cif-deposit CGI script.  | 
	2021514.cif 2021514.hkl | 
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          Users of the data should acknowledge the original authors of the
          structural data.