Acta Cryst. (2013). C69, 1051-1054 [ doi:10.1107/S0108270113020647 ]
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 PH contacts between the flanking isopropyl methine H atoms and the P atom.
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