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Information card for entry 7206873
Preview
Coordinates | 7206873.cif |
---|---|
Original paper (by DOI) | HTML |
Common name | 5-Me-aspirin anhydride (form I) |
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Formula | C20 H18 O7 |
Calculated formula | C20 H18 O7 |
SMILES | O(C(=O)c1c(OC(=O)C)ccc(c1)C)C(=O)c1cc(ccc1OC(=O)C)C |
Title of publication | Influence of impurities on the crystallisation of 5-X-aspirin and 5-X-aspirin anhydride polymorphs (X = Cl, Br, Me) |
Authors of publication | Solanko, Katarzyna A.; Bond., Andrew D. |
Journal of publication | CrystEngComm |
Year of publication | 2011 |
Journal volume | 13 |
Journal issue | 23 |
Pages of publication | 6991 |
a | 9.9176 ± 0.0009 Å |
b | 9.9757 ± 0.001 Å |
c | 11.5419 ± 0.0017 Å |
α | 95.485 ± 0.007° |
β | 109.352 ± 0.007° |
γ | 117.882 ± 0.004° |
Cell volume | 908.3 ± 0.2 Å3 |
Cell temperature | 150 ± 2 K |
Ambient diffraction temperature | 150 ± 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 | 0.093 |
Residual factor for significantly intense reflections | 0.0454 |
Weighted residual factors for significantly intense reflections | 0.095 |
Weighted residual factors for all reflections included in the refinement | 0.1132 |
Goodness-of-fit parameter for all reflections included in the refinement | 1.003 |
Diffraction radiation wavelength | 0.71073 Å |
Diffraction radiation type | MoKα |
Has coordinates | Yes |
Has disorder | No |
Has Fobs | No |
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