Synthesis and crystal structure of a triple-decker CuII 3TlI 2 complex: first example of a thallium(I) system in the imino-phenolate Schiff base ligand family
This report deals with the synthesis, characterization, and crystal structure of a heteropentanuclear CuII 3TlI 2 compound [(CuIIL)3TlI 2](NO3)2 (1), where H2L=N,N′-ethylenebis(3-ethoxysalicylaldimine). This compound crystallizes in the monoclinic crystal system within space group C2/c. Each of the two symmetry related thallium(I) centers is located between a terminal and a common, central [CuIIL] by forming bonds with four phenoxo and three ethoxy oxygens. The three [CuIIL] moieties are parallel and hence 1 is a triple-decker system. Neighboring triple-decker moieties are interlinked by π…π stacking interaction and weak hydrogen bonds to generate 3-D self-assembly in 1. Salient features in the composition and structure of the title compound are discussed; the title compound is the first example of a thallium(I) system in imino-phenolate Schiff base family.
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Document Type: Research Article
Affiliations: 1: Department of Chemistry, University of Calcutta, Kolkata, India 2: Department of Chemistry, University of Durham, Durham, UK
Publication date: January 2, 2014