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Information card for entry 8101990
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| Coordinates | 8101990.cif |
|---|---|
| External links | ChemSpider; PubChem |
| Chemical name | picolinic acid hydrazide |
|---|---|
| Formula | C6 H7 N3 O |
| Calculated formula | C6 H7 N3 O |
| SMILES | O=C(NN)c1ncccc1 |
| Title of publication | Crystal structure of picolinic acid hydrazide, C~6~H~7~N~3~O |
| Authors of publication | Zareef, M.; Iqbal, R.; Zaidi, J. H.; Qadeer, G.; Wong, W.-Y.; Akhtar, H. |
| Journal of publication | Zeitschrift für Kristallographie - New Crystal Structures |
| Year of publication | 2006 |
| Journal volume | 221 |
| Journal issue | 3 |
| Pages of publication | 307 - 308 |
| a | 19.2223 ± 0.0018 Å |
| b | 3.8987 ± 0.0004 Å |
| c | 18.115 ± 0.0017 Å |
| α | 90° |
| β | 107.095 ± 0.002° |
| γ | 90° |
| Cell volume | 1297.6 ± 0.2 Å3 |
| Cell temperature | 293 ± 2 K |
| Ambient diffraction temperature | 293 ± 2 K |
| Number of distinct elements | 4 |
| Space group number | 15 |
| Hermann-Mauguin space group symbol | C 1 2/c 1 |
| Hall space group symbol | -C 2yc |
| Residual factor for all reflections | 0.0425 |
| Residual factor for significantly intense reflections | 0.0384 |
| Weighted residual factors for significantly intense reflections | 0.1162 |
| Weighted residual factors for all reflections included in the refinement | 0.1217 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.091 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301880 (current) | 2025-08-23 | Add cross-references to PubChem compounds in COD range 8/ Each referenced PubChem compound corresponds to the full crystal structure. |
8101990.cif |
| 202018 | 2017-10-14 | cif/ Marking COD entries in range 8 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. |
8101990.cif |
| 176728 | 2016-02-18 | cif/ (antanas@echidna.ibt.lt) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 8. |
8101990.cif |
| 107950 | 2014-03-25 | cif/8/ (antanas@lokys.ibt.lt) Adding and updating bibliographic information: volume, authors, issue, first page, last page. |
8101990.cif |
| 35911 | 2012-02-28 | cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree. |
8101990.cif |
| 12729 | 2011-03-05 | ../uploads/cif-deposit/cod/cif Adding structures of 8101990 via cif-deposit CGI script. |
8101990.cif |
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Users of the data should acknowledge the original authors of the
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