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Information card for entry 7229995
Preview
| Coordinates | 7229995.cif | 
|---|---|
| Original paper (by DOI) | HTML | 
| External links | PubChem | 
| Common name | Theophylline:3,4 dichlorobenzoic acid | 
|---|---|
| Formula | C21 H16 Cl4 N4 O6 | 
| Calculated formula | C21 H16 Cl4 N4 O6 | 
| SMILES | Clc1ccc(C(=O)O)cc1Cl.Clc1ccc(C(=O)O)cc1Cl.[nH]1cnc2N(C(=O)N(C(=O)c12)C)C | 
| Title of publication | Tuning mechanical behaviour by controlling the structure of a series of theophylline co-crystals | 
| Authors of publication | Kakkar, Shubhangi; Bhattacharya, Biswajit; Reddy, C. Malla; Ghosh, Soumyajit | 
| Journal of publication | CrystEngComm | 
| Year of publication | 2018 | 
| Journal volume | 20 | 
| Journal issue | 8 | 
| Pages of publication | 1101 | 
| a | 10.191 ± 0.003 Å | 
| b | 10.459 ± 0.003 Å | 
| c | 12.777 ± 0.003 Å | 
| α | 98.98 ± 0.005° | 
| β | 108.898 ± 0.005° | 
| γ | 108.434 ± 0.005° | 
| Cell volume | 1170.6 ± 0.6 Å3 | 
| Cell temperature | 296 K | 
| Ambient diffraction temperature | 296 K | 
| Number of distinct elements | 5 | 
| Space group number | 2 | 
| Hermann-Mauguin space group symbol | P -1 | 
| Hall space group symbol | -P 1 | 
| Residual factor for all reflections | 0.0908 | 
| Residual factor for significantly intense reflections | 0.0442 | 
| Weighted residual factors for significantly intense reflections | 0.1041 | 
| Weighted residual factors for all reflections included in the refinement | 0.134 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.013 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | No | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301865 (current) | 2025-08-22 | Add cross-references to PubChem compounds in COD range 7/22/ Each referenced PubChem compound corresponds to the full crystal structure.  | 
	7229995.cif | 
| 228941 | 2019-11-17 | cif/ Updating files of 7229994, 7229995, 7229996, 7229997, 7229998, 7229999 Original log message: Adding full bibliography for 7229994--7229999.cif.  | 
	7229995.cif | 
| 205343 | 2018-01-18 | cif/ Adding structures of 7229994, 7229995, 7229996, 7229997, 7229998, 7229999 via cif-deposit CGI script.  | 
	7229995.cif | 
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          Users of the data should acknowledge the original authors of the
          structural data.