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Information card for entry 2220771
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Coordinates | 2220771.cif |
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Original IUCr paper | HTML |
Common name | 2-(5-Methoxycarbonylmethoxy-4-oxo-2-phenyl-4H-chromen-7-yloxy)acetic acid |
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Chemical name | Dimethyl 2,2'-[(4-oxo-2-phenyl-4<i>H</i>-chromene-5,7-diyl)dioxy]diacetate |
Formula | C21 H18 O8 |
Calculated formula | C21 H18 O8 |
Title of publication | Dimethyl 2,2'-[(4-oxo-2-phenyl-4<i>H</i>-chromene-5,7-diyl)dioxy]diacetate: a more densely packed polymorph |
Authors of publication | Nallasivam, Angannan; Nethaji, Munirathinam; Vembu, Nagarajan; Jaswant, Buckle; Sulochana, Nagarajan |
Journal of publication | Acta Crystallographica Section E |
Year of publication | 2009 |
Journal volume | 65 |
Journal issue | 2 |
Pages of publication | o312 - o313 |
a | 7.429 ± 0.0015 Å |
b | 9.2582 ± 0.0019 Å |
c | 13.48 ± 0.003 Å |
α | 84.232 ± 0.003° |
β | 88.775 ± 0.004° |
γ | 82.982 ± 0.003° |
Cell volume | 915.5 ± 0.3 Å3 |
Cell temperature | 293 ± 2 K |
Ambient diffraction temperature | 293 ± 2 K |
Number of distinct elements | 3 |
Space group number | 2 |
Hermann-Mauguin space group symbol | P -1 |
Hall space group symbol | -P 1 |
Residual factor for all reflections | 0.0802 |
Residual factor for significantly intense reflections | 0.0589 |
Weighted residual factors for significantly intense reflections | 0.1133 |
Weighted residual factors for all reflections included in the refinement | 0.1181 |
Goodness-of-fit parameter for all reflections included in the refinement | 2.47 |
Diffraction radiation wavelength | 0.71073 Å |
Diffraction radiation type | MoKα |
Has coordinates | Yes |
Has disorder | No |
Has Fobs | No |
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The link is: https://www.crystallography.net/2220771.html
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