Crystal Research and Technology
Cryst. Res. Technol. 37 (2002) 119 - Abstract -

M. Koman, M. Melnik, T. Glowiak*

Department of Inorganic Chemistry, Slovak Technical University, Bratislava, Slovak Republic
*Institute of Chemistry, University of Wroclaw, Wroclaw, Poland

Crystal and Molecular Structure of Bis{2,6-bis(hydroxymethyl)pyridine-O,O,N}{µ-bis(2-hydroxymethylpyridyl)methanolate-O,N}dicopper(II) di(propionate).
First example of non-coordinate propionate anoins

Bis{2,6-bis (hydroxymethyl) pyridine-O,O,N} {µ-bis(2-hydroxymethylpyridyl) methanolate-O,N} dicopper(II) di(propionate) (CCDC 143763) has been prepared and studied by single-crystal X-ray diffraction methods at 293(2) K. The crystal structure consists of dimeric complex cation, [Cu2(µ-bhmp)2(bhmpH)2]+2 and propionate anions ( bhmp - 2,6-bis(hydroxymethyl) pyridine; bhmpH - 2-(6-hydroxymethylpyridyl) methanolate ) and propionate anions. The complex cation contains two neutral and two monodeprotonated bhmp molecules, each coordinate to one Cu(II) atom in a tridentate chelating manner, via two O atoms and N atom. The monodeprotonated bmph molecules are also tridentate coordinate via N atom and only one O atom, which serve as bridge between two CuO4N2 moieties. The propionate anions are " fixed " to the complex by the hydrogen bonds.

Keywords: copper(II), structure, propionate, 2,6-bis(hydroxymethyl) pyridine


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