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Acta Cryst. (2013). C69, 1051-1054
[ doi:10.1107/S0108270113020647 ]

A study of the pyramidality index in tris(2,4,6-triisopropylphenyl)phosphonium perchlorate

R. T. Boeré and Y. Zhang

Synopsis: This is the most sterically congested triarylphosphonium salt yet to be reported and has a `propeller' arrangement of the three 2,4,6-triisopropylphenyl groups around the P atom, with the protonation site located along the molecular threefold axis. There are short P...H contacts between the flanking isopropyl methine H atoms and the P atom.

Formula: C45H70P+·ClO4-


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