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Information card for entry 2225482
Preview
| Coordinates | 2225482.cif |
|---|---|
| Structure factors | 2225482.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider; PubChem |
| Common name | 6,8-Diiodo-5,7-dimethoxy-4-methylcoumarin |
|---|---|
| Chemical name | 6,8-diiodo-5,7-dimethoxy-4-methyl-2<i>H</i>-chromen-2-one |
| Formula | C12 H10 I2 O4 |
| Calculated formula | C12 H10 I2 O4 |
| SMILES | Ic1c(OC)c(I)c2oc(=O)cc(c2c1OC)C |
| Title of publication | 6,8-Diiodo-5,7-dimethoxy-4-methylcoumarin |
| Authors of publication | Pereira Silva, P. S.; Parveen, Mehtab; Khanam, Zakia; Ali, Akhtar; Ramos Silva, M. |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 4 |
| Pages of publication | o988 |
| a | 10.8681 ± 0.0002 Å |
| b | 9.1179 ± 0.0002 Å |
| c | 17.2315 ± 0.0003 Å |
| α | 90° |
| β | 125.395 ± 0.001° |
| γ | 90° |
| Cell volume | 1391.95 ± 0.05 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 | 0.0275 |
| Residual factor for significantly intense reflections | 0.0229 |
| Weighted residual factors for significantly intense reflections | 0.0528 |
| Weighted residual factors for all reflections included in the refinement | 0.0548 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.059 |
| 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. |
2225482.cif 2225482.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. |
2225482.cif 2225482.hkl |
| 181175 | 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 2/22/54. |
2225482.cif 2225482.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. |
2225482.cif 2225482.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2225482.cif 2225482.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. | 2225482.cif 2225482.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2225482.cif 2225482.hkl |
| 1157 | 2010-05-06 | hkl/ Adding Fobs data for the recent IUCr deposition. |
2225482.cif 2225482.hkl |
| 1144 | 2010-05-03 | cif/2/ Adding CIFs from Acta-Cryst-E-2010_04/ deposition. |
2225482.cif |
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Users of the data should acknowledge the original authors of the
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