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Information card for entry 2226071
Preview
| Coordinates | 2226071.cif |
|---|---|
| Structure factors | 2226071.hkl |
| Original IUCr paper | HTML |
| Chemical name | 4-Nitrobenzoic acid‒2,2'-biimidazole (2/1) |
|---|---|
| Formula | C20 H16 N6 O8 |
| Calculated formula | C20 H16 N6 O8 |
| SMILES | C(=O)(c1ccc(cc1)N(=O)=O)O.c1(ncc[nH]1)c1ncc[nH]1.C(=O)(c1ccc(cc1)N(=O)=O)O |
| Title of publication | 4-Nitrobenzoic acid‒2,2'-biimidazole (2/1) |
| Authors of publication | Liu, Xin; Zhu, Weiqun |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 6 |
| Pages of publication | o1245 |
| a | 4.852 ± 0.001 Å |
| b | 10.9245 ± 0.001 Å |
| c | 19.7981 ± 0.001 Å |
| α | 90° |
| β | 90.496 ± 0.001° |
| γ | 90° |
| Cell volume | 1049.4 ± 0.2 Å3 |
| Cell temperature | 296 ± 2 K |
| Ambient diffraction temperature | 296 ± 2 K |
| Number of distinct elements | 4 |
| Space group number | 14 |
| Hermann-Mauguin space group symbol | P 1 21/c 1 |
| Hall space group symbol | -P 2ybc |
| Residual factor for all reflections | 0.0687 |
| Residual factor for significantly intense reflections | 0.0447 |
| Weighted residual factors for significantly intense reflections | 0.1187 |
| Weighted residual factors for all reflections included in the refinement | 0.134 |
| Goodness-of-fit parameter for all reflections included in the refinement | 0.999 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 219800 (current) | 2019-10-28 | cif/2 Fixing Z values and formulae |
2226071.cif 2226071.hkl |
| 181181 | 2016-04-03 | hkl/2/22/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22/60. |
2226071.cif 2226071.hkl |
| 176789 | 2016-02-20 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22. |
2226071.cif 2226071.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2226071.cif 2226071.hkl |
| 88064 | 2013-08-29 | Adding _cod_database_fobs_code data item to all COD CIFs that have Fobs deposited and did not have this data item yet. | 2226071.cif 2226071.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2226071.cif 2226071.hkl |
| 1452 | 2010-10-08 | hkl/ Adding Fobs data for the recent IUCr structure deposition. NB. This revision is recomitted anew after it appeared that in the original COD repository revision file '1452' was corrupt. |
2226071.cif 2226071.hkl |
| 1284 | 2010-08-08 | cif/2/ Adding the processed IUCr 2010 June and July CIFs. |
2226071.cif |
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Users of the data should acknowledge the original authors of the
structural data.