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CIF Information Card
Information card for 7101881
7101880 << 7101881 >> 7101882Preview
|
Coordinates |
7101881.cif |
Structure parameters
| Chemical name | 4,4-Dimethyl-(1 RS, 7 SR)-2,6-Dioxa-3,3,5,5-tetrakis (trimethylsilyl)-3,4,5-trisila-cis-bicyclo[5.3.1]undecane |
| Formula | - C20 H52 O2 Si7 - |
| Calculated formula | - C20 H52 O2 Si7 - |
| Title of publication | Twisted oxygen-containing oligosilanes‒unprecedented examples of sigma-n mixed conjugated systems. |
| Authors of publication | Krempner, Clemens; Ludwig, Ralf; Flemming, Anke; Miethchen, Ralf; Köckerling, Martin |
| Journal of publication | Chemical communications (Cambridge, England) |
| Year of publication | 2007 |
| Journal issue | 18 |
| Pages of publication | 1810 - 1812 |
| a | 11.0842 ± 0.0009 Å |
| b | 30.12 ± 0.003 Å |
| c | 10.5929 ± 0.0009 Å |
| α | 90° |
| β | 107.816 ± 0.003° |
| γ | 90° |
| Cell volume | 3366.9 ± 0.5 Å3 |
| Cell temperature | 243 ± 2 K |
| Ambient diffraction temperature | 243 ± 2 K |
| Number of distinct elements | 4 |
| Hermann-Mauguin symmetry space group | P 1 21/c 1 |
| Hall symmetry space group | -P 2ybc |
| Residual factor for all reflections | 0.0815 |
| Residual factor for observed reflections | 0.0574 |
| Weighted residual factors for the observed reflections | 0.1432 |
| Weighted residual factors for all reflections included in the refinement | 0.1557 |
| Goodness-of-fit parameter for observed reflections | 1.041 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | Yes |
| Has Fobs | No |