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The structures of [MPh4][BPh4], M = P, As and Sb, crystallize in a superstructure (I
, Z' = 1/2) of the P21c, 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.
, Z' = 1/2) of the P21c, 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.Supporting information
 | Crystallographic Information File (CIF) |
 | Structure factor file (CIF format) |
| Structure factor file (CIF format) |
| Structure factor file (CIF format) |
 | Portable Document Format (PDF) file |
