Synthese und Strukturuntersuchungen von Iodocupraten(I): II. Diiodocuprate(I) RCuI2 mit isoherten Ketten 1 ∞ [Cul4/2–]·R1 = N-Methylpyridinium, R2 = Dimethyl ( 3 - dimethylamino - 2 - aza - 2 -propenyliden ) ammonium [1] / Syntheses and Structure Analyses of Iodocuprates(I): II. Diiodocuprates(I) RCuI2 with Isolated Chains 1 ∞ [CuI4/2–]; R1 = N-Methylpyridinium, R2 = Dimethyl(3-dimethylamino-2-aza-2-propenyliden) Ammonium

Abstract

N-Methylpyridinium-diiodocuprate(I), C6H8NCuI2 and dimethyl(3-dimethylamino-2-aza-2-propenyliden)ammonium-diiodocuprate(I), C6H14N3CuI2, are obtained by reacting Cu with C6H8NI3 or C6H14N3I3 in acetone. Both compounds are built up by the organic cations and chains of edge sharing tetrahedra1 ∞[Cul4/2-]. The iodocuprate(I) anions are in intimate contact with the cations via intermolecular I···C interactions. Though nearly the same average Cu-I distance of 267.2 or 268.2 pm was found for both iodocuprate(I) anions there are different Cu-Cu distances (301-354 pm).