Crystal structure and Hirshfeld analysis of di-μ-bromido-bis-[(1-{[dimeth-yl(phenyl-thio-meth-yl)sil-yl]meth-yl}piperidine-κ2 N , S )copper(I)] and di-μ-iodido-bis-[(1-{[dimeth-yl(phenyl-thio-meth-yl)sil-yl]meth-yl}piperidine-κ2 N , S )copper(I)].

Abstract

The use of 1-{[dimeth-yl(phenyl-thio-meth-yl)sil-yl]meth-yl}piperidine piperidine as chelating ligand has been probed by complexation on CuI and CuBr in MeCN solution to afford the dinuclear S,N-chelate title complexes, [Cu2I2(C15H25NSSi)2] and [Cu2Br2(C15H25NSSi)2], which feature a halide-bridged rhomboid-shaped Cu(μ2-X)Cu (X = I, Br) core with Cu⋯Cu contacts of 2.8249 (5) and 2.7631 (6) Å, respectively. The two isostructural complexes crystalize in the triclinic space group P1 with half mol-ecule in the asymmetric unit. An analysis of the Hirshfeld surfaces shows that H⋯H (van der Waals) inter-actions dominate with a contact percentage of over 80% in both complexes.

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