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Information card for entry 7201840
Preview
| Coordinates | 7201840.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | PubChem |
| Formula | C50 H66 Si2 |
|---|---|
| Calculated formula | C50 H66 Si2 |
| SMILES | c1(c2cc3ccccc3cc2c(c2cc3ccccc3cc12)C#C[Si](C(C)C)(C(C)C)CCCCCC)C#C[Si](CCCCCC)(C(C)C)C(C)C |
| Title of publication | The influence of side chains on the structures and properties of functionalized pentacenes |
| Authors of publication | Chen, Jihua; Subramanian, Sankar; Parkin, Sean R.; Siegler, Maxime; Gallup, Kaitlin; Haughn, Chelsea; Martin, David C.; Anthony, John E. |
| Journal of publication | Journal of Materials Chemistry |
| Year of publication | 2008 |
| Journal volume | 18 |
| Journal issue | 17 |
| Pages of publication | 1961 |
| a | 10.3715 ± 0.0002 Å |
| b | 15.4649 ± 0.0002 Å |
| c | 27.5066 ± 0.0004 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 4411.9 ± 0.12 Å3 |
| Cell temperature | 90 ± 0.2 K |
| Ambient diffraction temperature | 90 ± 0.2 K |
| Number of distinct elements | 3 |
| Space group number | 61 |
| Hermann-Mauguin space group symbol | P b c a |
| Hall space group symbol | -P 2ac 2ab |
| Residual factor for all reflections | 0.0429 |
| Residual factor for significantly intense reflections | 0.036 |
| Weighted residual factors for significantly intense reflections | 0.0931 |
| Weighted residual factors for all reflections included in the refinement | 0.0985 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.037 |
| Diffraction radiation wavelength | 1.54178 Å |
| Diffraction radiation type | CuKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301863 (current) | 2025-08-22 | Add cross-references to PubChem compounds in COD range 7/20/ Each referenced PubChem compound corresponds to the full crystal structure. |
7201840.cif |
| 180349 | 2016-03-26 | cif/7/20/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 7/20/18. |
7201840.cif |
| 120112 | 2014-07-12 | Adding DOIs to range 7 structures. | 7201840.cif |
| 35909 | 2012-02-26 | cif/7/: reorganising range 7 into a prefix-directory tree. | 7201840.cif |
| 1173 | 2010-05-16 | cif/7/: adding data from Dalton-Trans-2008, New-J-Chem-2008, Org-Biomol-Chem-2008 and RSC-2008 processing. | 7201840.cif |
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Users of the data should acknowledge the original authors of the
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