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Information card for entry 2228286
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| Coordinates | 2228286.cif |
|---|---|
| Structure factors | 2228286.hkl |
| Original IUCr paper | HTML |
| Chemical name | Piperazine-2,3,5,6-tetraone |
|---|---|
| Formula | C4 H2 N2 O4 |
| Calculated formula | C4 H2 N2 O4 |
| SMILES | O=C1NC(=O)C(=O)NC1=O |
| Title of publication | Piperazine-2,3,5,6-tetraone |
| Authors of publication | Jia, Jing-Jing; Meng, Xiu-Jin; Liang, Shi-Zhang; Zhang, Shu-Hua; Jiang, Yi-Min |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 12 |
| Pages of publication | o3315 |
| a | 5.163 ± 0.001 Å |
| b | 8.622 ± 0.0017 Å |
| c | 5.654 ± 0.0011 Å |
| α | 90° |
| β | 105.25 ± 0.03° |
| γ | 90° |
| Cell volume | 242.83 ± 0.09 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/n 1 |
| Hall space group symbol | -P 2yn |
| Residual factor for all reflections | 0.0602 |
| Residual factor for significantly intense reflections | 0.0477 |
| Weighted residual factors for significantly intense reflections | 0.089 |
| Weighted residual factors for all reflections included in the refinement | 0.0922 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.225 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 181203 (current) | 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 2/22/82. |
2228286.cif 2228286.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. |
2228286.cif 2228286.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2228286.cif 2228286.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. | 2228286.cif 2228286.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2228286.cif 2228286.hkl |
| 11387 | 2011-02-15 | hkl/: Adding Reflection data for the recently deposited IUCr-originating structures. | 2228286.cif 2228286.hkl |
| 5772 | 2011-01-06 | ../uploads/cif-deposit/cod/cif Adding structures of 2228282, 2228283, 2228284, 2228285, 2228286, 2228287, 2228288, 2228289, 2228290, 2228291 via cif-deposit CGI script. |
2228286.cif |
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Users of the data should acknowledge the original authors of the
structural data.