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(N-salicylidene-D,L-glutamato) (2-methylimidazole)copper(II).

Vratislav Langer (Institutionen för oorganisk miljökemi) ; Eva Scholtzova ; Dalma Gyepesova ; Maria Kohutova ; Aladar Valent
Acta Crystallographica, Section E: Structure Reports (1600-5368). Vol. E60 (2004), 1, p. m129-m132.
[Artikel, refereegranskad vetenskaplig]

The title racemic compound, [Cu(C12H11NO5)(C4H6N2)], adopts a square-pyramidal Cu(II) coordination with the tridentate N-salicylideneglutamate Schiff base dianion and the 2-methylimidazole ligand in the basal plane. The apex of the pyramid is occupied by a carboxylic acid O atom from the neighbouring chelate at a distance of 2.479(4)Å, leading to infinite one-dimensional chains along the crystallographic a axis. Strong N-H...O and O-H...O hydrogen bonds form a helix parallel to the c axis. The electronic structure of the title compound has also been investigated by the B3LYP method.

Nyckelord: Schiff base, crystal structure, hydrogen bonds, electronic structure,

Denna post skapades 2006-08-29.
CPL Pubid: 324


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