[MPh4][BPh4], M = P, As and Sb
- 1 October 1997
- journal article
- Published by International Union of Crystallography (IUCr) in Acta crystallographica Section B, Structural science, crystal engineering and materials
- Vol. 53 (5) , 773-779
- https://doi.org/10.1107/s0108768197005077
Abstract
The structures of [MPh4][BPh4], M = P, As and Sb, crystallize in a superstructure (I\overline 4, Z′ = 1/2) of the P\overline 421 c, Z′ = 1/4, structure known for MPh4, M = C, Si, Ge, Sn and Pb. The arrangement of the ions is the same as for CaWO4 (scheelite; I41/a, Z′ = 1/4), which is typical of many other ionic XYO4 structures. Crystals of [MPh4][BPh4] turn a pinkish amber when exposed to UV light; ESR spectra confirm that free radicals are generated.Keywords
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