In the crystal structure of the title compound, 2C22H24P+·I8 2−, the I8 2− anion is located on a crystallographic inversion centre and consists of two tri‐iodide anions linked by di‐iodine at angles of 89.92 (4)° to form a planar `Z'‐shaped dianion. The octaiodides are linked via long‐range interactions [3.877 (11) Å] into infinite polyiodide ribbons. This is the first example of a structure containing an [(o‐tolyl)3PMe]+ cation, and the CMe—P—C—CMe torsion angles of −54.0 (11), −51.3 (11) and −48.2 (11)° indicate that the configuration is exo 3.
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Document Type: Research Article
Affiliations: School of Chemistry, University of Manchester, Brunswick Street, Manchester, England
Publication date: July 15, 2011