Abstract
Two quite different shapes of the (Ph 3SbI) 2O molecule are found in separate crystals, namely 1a, in which the SbOSb bridge is linear with bond distances of 1.9410–1.9437(6) Å and 1b in which the SbOSb angle is 144.6(4)° and the SbO bonds are longer, averaging 1.971(8) Å. The two species also give distinct vibrational spectra. Both arise from the reaction of triphenylantimony with iodine in moist acetonitrile, 1a as the initial crop of colourless crystals and 1b as organe crystals left when the solution is allowed to evaporate to dryness.
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