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Information card for entry 2226797
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| Coordinates | 2226797.cif |
|---|---|
| Structure factors | 2226797.hkl |
| Original IUCr paper | HTML |
| External links | ChemSpider |
| Chemical name | 7-Hydroxy-6-methoxy-2<i>H</i>-chromen-2-one |
|---|---|
| Formula | C10 H8 O4 |
| Calculated formula | C10 H8 O4 |
| SMILES | o1c2cc(O)c(OC)cc2ccc1=O |
| Title of publication | 7-Hydroxy-6-methoxy-2<i>H</i>-chromen-2-one |
| Authors of publication | Beh, Hooi-Kheng; Ismail, Zhari; Asmawi, Mohd Zaini; Loh, Wan-Sin; Fun, Hoong-Kun |
| Journal of publication | Acta Crystallographica Section E |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 8 |
| Pages of publication | o2138 |
| a | 7.0771 ± 0.0002 Å |
| b | 17.3485 ± 0.0004 Å |
| c | 6.9672 ± 0.0002 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 855.41 ± 0.04 Å3 |
| Cell temperature | 100 ± 0.1 K |
| Ambient diffraction temperature | 100 ± 0.1 K |
| Number of distinct elements | 3 |
| Space group number | 33 |
| Hermann-Mauguin space group symbol | P n a 21 |
| Hall space group symbol | P 2c -2n |
| Residual factor for all reflections | 0.0425 |
| Residual factor for significantly intense reflections | 0.0374 |
| Weighted residual factors for significantly intense reflections | 0.0904 |
| Weighted residual factors for all reflections included in the refinement | 0.0937 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.069 |
| 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. |
2226797.cif 2226797.hkl |
| 181188 | 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 2/22/67. |
2226797.cif 2226797.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. |
2226797.cif 2226797.hkl |
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2226797.cif 2226797.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. | 2226797.cif 2226797.hkl |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2226797.cif 2226797.hkl |
| 1704 | 2010-11-03 | hkl/2/ Adding Fobs files for the recently deposited IUCr data. |
2226797.cif 2226797.hkl |
| 1553 | 2010-10-08 | cif/2/ Adding data from Acta-Cryst-E-2010_08/. |
2226797.cif |
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Users of the data should acknowledge the original authors of the
structural data.