at Google ScholarTitle data
Dinnebier, Robert E. ; Olbrich, Falk ; van Smaalen, Sander ; Stephens, Peter W.:
Ab Initio Structure Determination of Two Polymorphs of Cyclopentadienylrubidium in a Single Powder Pattern.
In: Acta Crystallographica Section B.
Vol. 53
(1997)
Issue 1
.
- pp. 153-158.
ISSN 2052-5206
DOI: https://doi.org/10.1107/S0108768196010555
Abstract in another language
The structures of two polymorphic phases of solid RbC5H5 have been solved ab initio by high-resolution powder X-ray diffraction measured in a single powder pattern. The compound crystallizes in space group Pbcm (phase I), Z = 8, with unit-cell parameters a = 9.3396 (1), b = 10.9666 (1), c = 10.5490 (1) Å, and in space group Pnma, Z = 4 (phase II), with unit- cell parameters a = 10.7990 (2), b = 8.6923 (2), c = 5.7061 (2) Å. Both phases show polymeric zigzag chains, so-called bent-polydecker sandwich structures, with an. average Rb-Cpz (Cp-ring-centroid) distance of 2.97 Å. Phase II contains a single chain along the a axis, whereas phase I contains two similar but crystallographically independent chains perpendicular to each other along the b axis and along the c axis, leading to a more complex coordination sphere around the Rb atoms. The chains are bent with Cpz-Rb-Cpz angles ranging from 123.5 to 136.5°.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Institutions of the University: | Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences |
| Result of work at the UBT: | Yes |
| DDC Subjects: | 500 Science > 530 Physics |
| Date Deposited: | 15 Jun 2016 09:09 |
| Last Modified: | 15 Jun 2016 09:09 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/32685 |