Crystallography Open Database  
  
  - COD Home
- Accessing COD Data
- Add Your Data
- Documentation
Information card for entry 2243910
Preview
| Coordinates | 2243910.cif | 
|---|---|
| Structure factors | 2243910.hkl | 
| Original paper (by DOI) | HTML | 
| Chemical name | 6-Aminoquinazolin-4(3<i>H</i>)-one | 
|---|---|
| Formula | C8 H7 N3 O | 
| Calculated formula | C8 H7 N3 O | 
| SMILES | O=c1[nH]cnc2c1cc(cc2)N | 
| Title of publication | Crystal structures of 6-nitroquinazolin-4(3<i>H</i>)-one, 6-aminoquinazolin-4(3<i>H</i>)-one and 4-aminoquinazoline hemihydrochloride dihydrate | 
| Authors of publication | Turgunov, Kambarali; Ziyadullaev, Mirjalol; Khoshimov, Farkhod; Karimov, Rikhsiboy; Elmuradov, Burkhon | 
| Journal of publication | Acta Crystallographica Section E | 
| Year of publication | 2021 | 
| Journal volume | 77 | 
| Journal issue | 10 | 
| a | 13.4535 ± 0.0005 Å | 
| b | 4.951 ± 0.0002 Å | 
| c | 21.6188 ± 0.0008 Å | 
| α | 90° | 
| β | 90° | 
| γ | 90° | 
| Cell volume | 1439.99 ± 0.1 Å3 | 
| Cell temperature | 293 ± 2 K | 
| Ambient diffraction temperature | 293 ± 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 | 0.048 | 
| Residual factor for significantly intense reflections | 0.036 | 
| Weighted residual factors for significantly intense reflections | 0.0885 | 
| Weighted residual factors for all reflections included in the refinement | 0.0976 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.022 | 
| Diffraction radiation probe | x-ray | 
| Diffraction radiation wavelength | 1.54184 Å | 
| Diffraction radiation type | CuKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 269046 (current) | 2021-09-08 | cif/ hkl/ Adding structures of 2243909, 2243910, 2243911 via cif-deposit CGI script. | 2243910.cif 2243910.hkl | 
          All data in the COD and the database itself are dedicated to the
          public domain and licensed under the
          
    CC0
    License
.
          Users of the data should acknowledge the original authors of the
          structural data.