Complex Formation of TaCl5 with Ammonium and Alkali Metal Chlorides in Acetonitrile in the Presence of 15-Crown-5: Crystal Structures of [(15-crown-5) Li CH3CN][TaCl6] and [(15-crown-5) Li CH3CN]2[Cl5TaOTaCl5] Ionic Complexesстатья
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Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.
Аннотация:The reaction of anhydrous TaCl5, chlorides of ammonium or alkaline metals, and 15-crown-5 in
acetonitrile proceeds with the formation of intra- (Li, Na) and out-of-cavity (K, NH4) [(15-crown-5) Li CH3CN][TaCl6], [Na (15-crown-5)][TaCl6], and [M (15-crown-5)2][TaCl6] (M = K+, Nframe4) compounds. This process is also accompanied by a simultaneous cleavage of part of the macrocycle molecules, which leads to water formation and hydrolysis. One of the complexes formed as a result of hydrolysis, [(15-crown-5) Li CH3CN]2[Cl5TaOTaCl5], was isolated.