Publication Date:
2003-10-31
Description:
The reported crystal structures of Ph4P+·I− and Ph4As+·I− have been re-examined. An apparent instance of substitutional dimorphism could not be reproduced and, contrary to an earlier report, tetraphenylarsonium iodide, [As(C6H5)4]I or Ph4As+·I−, was found to be isostructural with the phosphorus compound. The cation and anion are both located on overline 4 symmetry sites. The crystal packing involves linear chains of cations in fourfold phenyl embraces.
Print ISSN:
0108-2701
Electronic ISSN:
1600-5759
Topics:
Chemistry and Pharmacology
,
Geosciences
,
Physics
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