Abstract
Copper(I) π-complex {[C4H8ONH(C3H5)]+}2[Cu2Cl4]2− (I) was obtained by ac electrochemical synthesis from N-allylmorpholine hydrochloride and copper(II) chloride in ethanol and structurally characterized. In structure I, copper and chlorine atoms form unique noncentrosymmetric Cu2Cl 2−4 fragments. Both crystallographically independent N-allylmorpholinium cations are involved in the π-interaction and are coordinated by the copper atom through the C=C bond of the allyl group. The trigonal pyramidal environment of the Cu(1) atom is composed of three chlorine atoms and the C=C bond, while the Cu(2) atom coordinates two chlorine atoms and the C=C bond forming a planar triangle. The extremely strong N-C⋯Cl hydrogen bond (H⋯Cl 2.2 Å) prevents the Cl(1) atom from acting as a bridge and favors the formation of fragments Cu2Cl 2−4 .
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Translated from Koordinatsionnaya Khimiya, Vol. 31, No. 4, 2005, pp. 306–310.
Original Russian Text Copyright © 2005 by Goreshnik, Davydov, Mys’kiv.
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Goreshnik, E.A., Davydov, V.N. & Mys’kiv, M.G. Complexation between N-allylmorpholinium derivatives and copper(I) halides. Synthesis and crystal structure of π-complex {[C4H8ONH(C3H5)]+}2[Cu2Cl4]2− . Russ J Coord Chem 31, 286–290 (2005). https://doi.org/10.1007/s11173-005-0090-6
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DOI: https://doi.org/10.1007/s11173-005-0090-6