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organic compounds
The crystals of the title compound, C24H20P+.I3-, are composed of slightly bent I3- anions and Ph4P+ cations separated by normal van der Waals distances; both ions lie on twofold axes. The I-I distances in the anion are 2.9180 (4) Å, with an I-I-I angle of 175.27 (3)°. In the cation, the P-C distances are identical [1.790 (4) Å] and the C-P-C angles are in the range 105.5 (3)-111.6 (2)°.