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A novel type of coordination mode of chloranilic acid leading to the formation of polymeric coordination ribbon in the series of mixed-ligand copper(II) complexes with 1, 10-phenanthroline (CROSBI ID 203984)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Molčanov, Krešimir ; Jurić, Marijana ; Kojić-Prodić, Biserka A novel type of coordination mode of chloranilic acid leading to the formation of polymeric coordination ribbon in the series of mixed-ligand copper(II) complexes with 1, 10-phenanthroline // Dalton transactions, 43 (2014), 19; 7208-7218. doi: 10.1039/C3DT53332H

Podaci o odgovornosti

Molčanov, Krešimir ; Jurić, Marijana ; Kojić-Prodić, Biserka

engleski

A novel type of coordination mode of chloranilic acid leading to the formation of polymeric coordination ribbon in the series of mixed-ligand copper(II) complexes with 1, 10-phenanthroline

A series of four novel mixed-ligand complexes of copper(II) with 3, 6-dichloro-2, 6-dihydroxy-1, 4-benzoquinone (chloranilic acid) and 1, 10-phenanthroline was prepared and characterised by X-ray structure analysis and IR spectroscopy. Three complexes exhibit square-pyramidal coordination whereas one is in the octahedral coordination. The ligand 1, 10-phenathroline acts in a bidentate chelating mode with N, N-metal binding. Chloranilate dianion coordinates CuII atom in a terminal bidentate ortho-quinone-like mode forming mononuclear complex species. However, in one structure a novel type of coordination mode of chloranilate is observed. In addition to the bidentate mode, a monodentate bridging one through a carboxy oxygen of a symmetry related dianion leads to the formation of polymeric coordination ribbon. Crystal packing of penta-coordinated species in addition to hydrogen bonding involves less common stacking interactions of chelate rings with π-systems of the ligands.

copper(II); chloranilic acid; coordination chemistry; crystal structure

Djelomično financirala Zaklada HAZU (za 2013. godinu).

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Podaci o izdanju

43 (19)

2014.

7208-7218

objavljeno

1477-9226

10.1039/C3DT53332H

Povezanost rada

Kemija

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