Abstract
Complexes Ph3(n-Pr)P 2 + [CoI4]2− (I) and [Ph3(n-Am)P] 2 + [CoI4]2− (II) were synthesized by reactions of triphenyl(alkyl)phosphonium iodide with cobalt(II) iodide in acetone. According to the X-ray diffraction data, complexes I and II consist of tetrahedral triphenyl(alkyl)phosphonium cations (for I, P-C is 1.787(4)–1.804(4) A and CPC is 106.73(18)°–111.4(18)°; for II P-C is 1.786(6)–1.802(6) A and CPC is 107.6(3)°–111.7(3)°) and [CoI4]2− anions (Co-I 2.5923(6)–2.6189(6) A, ICoI 101.86(2)°–113.25(2)° for I; Co-I 2.5899(9)–2.6171(9) 107.01(3)°–110.47(3)° for II).
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