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Information card for entry 2021632
Preview
| Coordinates | 2021632.cif | 
|---|---|
| Structure factors | 2021632.hkl | 
| Original IUCr paper | HTML | 
| External links | PubChem | 
| Chemical name | (<i>RS</i>)-(<i>E</i>)-4-[2-(4-Chlorobenzylidene)hydrazinyl]-6,11-dimethyl-6,11-dihydro-5<i>H</i>-benzo[<i>b</i>]pyrimido[5,4-<i>f</i>]azepine | 
|---|---|
| Formula | C21 H20 Cl N5 | 
| Calculated formula | C21 H20 Cl N5 | 
| SMILES | n1cnc(c2CC(c3ccccc3N(c12)C)C)N/N=C/c1ccc(Cl)cc1 | 
| Title of publication | Monoclinic and orthorhombic forms of (<i>RS</i>)-(<i>E</i>)-4-[2-(4-chlorobenzylidene)hydrazinyl]-6,11-dimethyl-6,11-dihydro-5<i>H</i>-benzo[<i>b</i>]pyrimido[5,4-<i>f</i>]azepine: synthesis, concomitant polymorphism and supramolecular assembly mediated by C—H···N, C—H···π(arene) and C—Cl···π(arene) interactions | 
| Authors of publication | Acosta Quintero, Lina M.; Palma, Alirio; Choquesillo-Lazarte, Duane; Cobo, Justo; Glidewell, Christopher | 
| Journal of publication | Acta Crystallographica Section C | 
| Year of publication | 2019 | 
| Journal volume | 75 | 
| Journal issue | 6 | 
| a | 8.8623 ± 0.0004 Å | 
| b | 14.4656 ± 0.0007 Å | 
| c | 14.2723 ± 0.0007 Å | 
| α | 90° | 
| β | 90° | 
| γ | 90° | 
| Cell volume | 1829.69 ± 0.15 Å3 | 
| Cell temperature | 100 ± 2 K | 
| Ambient diffraction temperature | 100 ± 2 K | 
| Number of distinct elements | 4 | 
| Space group number | 33 | 
| Hermann-Mauguin space group symbol | P n a 21 | 
| Hall space group symbol | P 2c -2n | 
| Residual factor for all reflections | 0.0476 | 
| Residual factor for significantly intense reflections | 0.0371 | 
| Weighted residual factors for significantly intense reflections | 0.0836 | 
| Weighted residual factors for all reflections included in the refinement | 0.0889 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.056 | 
| Diffraction radiation wavelength | 1.54178 Å | 
| Diffraction radiation type | CuKα | 
| 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.  | 
	2021632.cif 2021632.hkl | 
| 215300 | 2019-05-18 | cif/ hkl/ Adding structures of 2021631, 2021632 via cif-deposit CGI script.  | 
	2021632.cif 2021632.hkl | 
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          structural data.