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Information card for entry 1505175
Preview
| Coordinates | 1505175.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | ChemSpider |
| Common name | theophylline:salicylic acid cocrystal (1:1) |
|---|---|
| Chemical name | theophylline salicylic acid |
| Formula | C14 H15 N4 O5 |
| Calculated formula | C14 H14 N4 O5 |
| SMILES | c1[nH]c2c(n1)N(C(=O)N(C2=O)C)C.c1(c(cccc1)O)C(=O)O |
| Title of publication | The Salt−Cocrystal Continuum: The Influence of Crystal Structure on Ionization State |
| Authors of publication | Childs, Scott L.; Stahly, G. Patrick; Park, Aeri |
| Journal of publication | Molecular Pharmaceutics |
| Year of publication | 2007 |
| Journal volume | 4 |
| Journal issue | 3 |
| Pages of publication | 323 |
| a | 6.9183 ± 0.0003 Å |
| b | 25.9086 ± 0.001 Å |
| c | 7.9749 ± 0.0004 Å |
| α | 90° |
| β | 104.754 ± 0.003° |
| γ | 90° |
| Cell volume | 1382.32 ± 0.11 Å3 |
| Cell temperature | 100 ± 2 K |
| Ambient diffraction temperature | 100 ± 2 K |
| Number of distinct elements | 4 |
| Space group number | 14 |
| Hermann-Mauguin space group symbol | P 1 21/n 1 |
| Hall space group symbol | -P 2yn |
| Residual factor for all reflections | 0.0777 |
| Residual factor for significantly intense reflections | 0.0508 |
| Weighted residual factors for significantly intense reflections | 0.1045 |
| Weighted residual factors for all reflections included in the refinement | 0.1119 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.014 |
| Diffraction radiation wavelength | 1.54178 Å |
| Diffraction radiation type | CuKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 201954 (current) | 2017-10-13 | cif/ Marking COD entries in range 1 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. |
1505175.cif |
| 176729 | 2016-02-18 | cif/ (antanas@echidna.ibt.lt) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 1. |
1505175.cif |
| 120071 | 2014-07-11 | Adding DOIs to range 1 structures. | 1505175.cif |
| 45391 | 2012-03-20 | ../uploads/cif-deposit/cod/cif Adding structures of 1505174, 1505175, 1505176, 1505177, 1505178, 1505179, 1505180, 1505181 via cif-deposit CGI script. |
1505175.cif |
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Users of the data should acknowledge the original authors of the
structural data.