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Information card for entry 2104822
Preview
| Coordinates | 2104822.cif |
|---|---|
| Original IUCr paper | HTML |
| Chemical name | 2,15-di-(tert-butyl)-hexahelicene |
|---|---|
| Formula | C34 H31.98 I0.02 |
| Calculated formula | C34 H31.98 I0.02 |
| Title of publication | Thermal motion of <i>tert</i>-butyl groups III. <i>tert</i>-Butyl substituents in aromatic hydrocarbons, the view from the bottom of the well |
| Authors of publication | Frey, Joseph; Khan, Saeed I.; Knobler, Carolyn B.; Lightner, David A.; Maverick, Emily F.; Phillips, Daniel J.; Rappoport, Zvi; Trueblood, Kenneth N. |
| Journal of publication | Acta Crystallographica Section B |
| Year of publication | 2010 |
| Journal volume | 66 |
| Journal issue | 6 |
| Pages of publication | 622 - 638 |
| a | 9.7674 ± 0.0002 Å |
| b | 16.534 ± 0.0003 Å |
| c | 30.4455 ± 0.0005 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 4916.77 ± 0.16 Å3 |
| Cell temperature | 100 ± 2 K |
| Ambient diffraction temperature | 100 ± 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 | 0.0409 |
| Residual factor for significantly intense reflections | 0.0383 |
| Weighted residual factors for significantly intense reflections | 0.0929 |
| Weighted residual factors for all reflections included in the refinement | 0.0948 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.025 |
| Diffraction radiation wavelength | 1.54178 Å |
| Diffraction radiation type | CuKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 176768 (current) | 2016-02-20 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/10. |
2104822.cif |
| 125873 | 2014-10-25 | cod/ (saulius@koala.ibt.lt) Adding DOIs to 1887 Acta Cryst. CIFs, their DOIs fetched using ACCE codes. |
2104822.cif |
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. |
2104822.cif |
| 5908 | 2011-01-07 | ../uploads/cif-deposit/cod/cif Adding structures of 2104821, 2104822, 2104823, 2104824, 2104825, 2104826, 2104827, 2104828, 2104829, 2104830 via cif-deposit CGI script. |
2104822.cif |
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Users of the data should acknowledge the original authors of the
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