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Information card for entry 2227565
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| Coordinates | 2227565.cif |
|---|---|
| Structure factors | 2227565.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider; PubChem |
| Chemical name | (<i>E</i>)-2-(3,4-Dimethoxybenzylidene)-5,6-dimethoxy-2,3-dihydro-1<i>H</i>-\ inden-1-one |
|---|---|
| Formula | C20 H20 O5 |
| Calculated formula | C20 H20 O5 |
| SMILES | O(c1cc2C/C(=C\c3cc(OC)c(OC)cc3)C(=O)c2cc1OC)C |
| Title of publication | (<i>E</i>)-2-(3,4-Dimethoxybenzylidene)-5,6-dimethoxy-2,3-dihydro-1<i>H</i>-inden-1-one |
| Authors of publication | Ali, Mohamed Ashraf; Ismail, Rusli; Tan, Soo Choon; Quah, Ching Kheng; Fun, Hoong-Kun |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 11 |
| Pages of publication | o2875 |
| a | 7.7991 ± 0.0007 Å |
| b | 7.2595 ± 0.0006 Å |
| c | 29.589 ± 0.002 Å |
| α | 90° |
| β | 101.977 ± 0.003° |
| γ | 90° |
| Cell volume | 1638.8 ± 0.2 Å3 |
| Cell temperature | 100 K |
| Ambient diffraction temperature | 100 K |
| Number of distinct elements | 3 |
| 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 | 0.0551 |
| Residual factor for significantly intense reflections | 0.0427 |
| Weighted residual factors for significantly intense reflections | 0.1144 |
| Weighted residual factors for all reflections included in the refinement | 0.1237 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.042 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301805 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/22 Each referenced PubChem compound corresponds to the full crystal structure. |
2227565.cif 2227565.hkl |
| 201978 | 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. |
2227565.cif 2227565.hkl |
| 181196 | 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 2/22/75. |
2227565.cif 2227565.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. |
2227565.cif 2227565.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2227565.cif 2227565.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. | 2227565.cif 2227565.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2227565.cif 2227565.hkl |
| 5269 | 2010-12-22 | hkl/ Adding Fobs data for the recent IUCr-published structres. |
2227565.cif 2227565.hkl |
| 4602 | 2010-12-18 | ../uploads/cif-deposit/cod/cif Adding structures of 2227565 via cif-deposit CGI script. |
2227565.cif |
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Users of the data should acknowledge the original authors of the
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