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Information card for entry 4504251
Preview
| Coordinates | 4504251.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | PubChem |
| Formula | C16 H18 N4 O4 |
|---|---|
| Calculated formula | C16 H18 N4 O4 |
| SMILES | O=C(Nc1ccc(N(=O)=O)cc1)Nc1ccccc1.N(C=O)(C)C |
| Title of publication | Crystal Structures ofN-Aryl-N'-4-Nitrophenyl Ureas: Molecular Conformation and Weak Interactions Direct the Strong Hydrogen Bond Synthon |
| Authors of publication | Reddy, L. Sreenivas; Chandran, Sreekanth K.; George, Sumod; Babu, N. Jagadeesh; Nangia, Ashwini |
| Journal of publication | Crystal Growth & Design |
| Year of publication | 2007 |
| Journal volume | 7 |
| Journal issue | 12 |
| Pages of publication | 2675 - 2690 |
| a | 9.4442 ± 0.0019 Å |
| b | 7.3883 ± 0.0015 Å |
| c | 23.863 ± 0.005 Å |
| α | 90° |
| β | 97.73 ± 0.03° |
| γ | 90° |
| Cell volume | 1649.9 ± 0.6 Å3 |
| Cell temperature | 293 ± 2 K |
| Ambient diffraction temperature | 293 ± 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 | 0.1977 |
| Residual factor for significantly intense reflections | 0.0783 |
| Weighted residual factors for significantly intense reflections | 0.1839 |
| Weighted residual factors for all reflections included in the refinement | 0.2408 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.093 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301842 (current) | 2025-08-21 | Add cross-references to PubChem compounds in COD range 4/50/ Each referenced PubChem compound corresponds to the full crystal structure. |
4504251.cif |
| 288183 | 2023-12-08 | cod/ Corrected misspelt data names in multiple entries using the 'cif_correct_tags' program and a data names replacement file from cod-tools revision 9827. This change affected only the misspelt variants of the '_atom_site_symmetry_multiplicity' data name. |
4504251.cif |
| 211134 | 2018-09-23 | cif/4/ Updating bibliography in entries 4504246-4504262, 4511328. Marking entry 4511328 as a duplicate of entry 4504254. |
4504251.cif |
| 179577 | 2016-03-24 | cif/4/50/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 4/50/42. |
4504251.cif |
| 120110 | 2014-07-12 | Adding DOIs to range 4/50 structures. | 4504251.cif |
| 44996 | 2012-03-20 | ../uploads/cif-deposit/cod/cif Adding structures of 4504251 via cif-deposit CGI script. |
4504251.cif |
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