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Information card for entry 2226972
Preview
| Coordinates | 2226972.cif |
|---|---|
| Structure factors | 2226972.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider |
| Chemical name | 3,3,6,6-Tetramethyl-9-(2-nitrophenyl)-3,4,6,7-tetrahydro-2<i>H</i>-xanthene-1, 8(5<i>H</i>,9<i>H</i>)-dione |
|---|---|
| Formula | C23 H25 N O5 |
| Calculated formula | C23 H25 N O5 |
| SMILES | O1C2=C(C(=O)CC(C2)(C)C)C(C2=C1CC(CC2=O)(C)C)c1cccc(N(=O)=O)c1 |
| Title of publication | 3,3,6,6-Tetramethyl-9-(2-nitrophenyl)-3,4,6,7-tetrahydro-2<i>H</i>-xanthene-1,8(5<i>H</i>,9<i>H</i>)-dione |
| Authors of publication | Mo, Yingming; Zang, Hong-Jun; Cheng, Bo-Wen |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 8 |
| Pages of publication | o2129 |
| a | 12.199 ± 0.002 Å |
| b | 10.51 ± 0.002 Å |
| c | 32.484 ± 0.007 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 4164.8 ± 1.4 Å3 |
| Cell temperature | 113 ± 2 K |
| Ambient diffraction temperature | 113 ± 2 K |
| Number of distinct elements | 4 |
| Space group number | 61 |
| Hermann-Mauguin space group symbol | P b c a |
| Hall space group symbol | -P 2ac 2ab |
| Residual factor for all reflections | 0.0737 |
| Residual factor for significantly intense reflections | 0.0632 |
| Weighted residual factors for significantly intense reflections | 0.1385 |
| Weighted residual factors for all reflections included in the refinement | 0.1444 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.158 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 201978 (current) | 2017-10-13 | cif/2/ Marking COD entries in range 2/22 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. |
2226972.cif 2226972.hkl |
| 181190 | 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 2/22/69. |
2226972.cif 2226972.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. |
2226972.cif 2226972.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2226972.cif 2226972.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. | 2226972.cif 2226972.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2226972.cif 2226972.hkl |
| 1704 | 2010-11-03 | hkl/2/ Adding Fobs files for the recently deposited IUCr data. |
2226972.cif 2226972.hkl |
| 1553 | 2010-10-08 | cif/2/ Adding data from Acta-Cryst-E-2010_08/. |
2226972.cif |
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Users of the data should acknowledge the original authors of the
structural data.