Cyanatocopper(II) complexeswith organic ligands. XVI. Structure characterization of CyanatoCopper(II) complexes with halogeno-pyridine ligands in comparison with analogous methyl-pyridine complexes
作者： J Kohout , M Hvastijová , J Gažo , M Nádbovrník
DOI: 10.1016/S0020-1693(00)95548-8
关键词: Stereochemistry 、 Chemistry 、 Pyridine 、 Medicinal chemistry 、 Square pyramidal molecular geometry 、 Pyridine ligand
摘要: Abstract Cyanatocopper(II)complexesof the type Cu(NCO) 2 L (L= 2-chloro-or 2-bromopyridine) and (L = 2-chloro-,3-chloro-,3-bromo-,3-iodo-, 4-chloro-,or4-bromopyridine)have been prepared. The resultsof various physical methods show that complexes have disrtorted five-coordinated structure with N-bridging NCO groups, while complexes, except for -(2-Cl-py) , display pseudooctahedral structures, probably axial CuOCN linkages. of both groups are structurally very similar to one another 3-halogeno-pyridines even crystal-structurally closely-related. One exception is (2-Cl-py) ,being at room temperature rather unstable displaying a square pyramidal group.
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