Synthesis and Magnetism of Novel Copper(Ⅱ)-Cobalt(Ⅱ)Oxalato-Bridged Binuclear Complexes Containing Phosphine Ligand

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (2): 178.

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Synthesis and Magnetism of Novel Copper(Ⅱ)-Cobalt(Ⅱ)Oxalato-Bridged Binuclear Complexes Containing Phosphine Ligand

BAO Jian-Chun¹, NI Xing¹, SUN Yue-Ming², XU Zheng³

1. Department of Chemistry, Nanjing Normal University, Nanjing, 210024;
2. Department of Chemistry and Chemical Engineering, Southeast University, Nanjing;
3. Coordination Chemistry Institute, Nanjing University, Nanjing

Received:1993-03-30 Revised:1993-09-05 Online:1994-02-24 Published:1994-02-24

Abstract

Abstract: New heterobinuclear complexes,[ Cu( phen)(C₂O₄) Co(dpp)](ClO₄)₂(1)and [Cu(dien)(C₂O₄)Co(dpp)](ClO₄)₂·2H₂O(2), which contain phosphine ligand, were synthesized,where phen, dpp and dien denote phenanthroline, bis( 2-diphenylphosphinoethyl) phenylphosphine and diethylenetrimine respectively.The complexes were characterized with variable temperature magnetic susceptibility.The exchange integral,J, was found to be -11.04 cm^-1(1)and -18.34 cm^-1(2), indicating that there exists a weaker antiferro-magnetic spin exchange interaction among the metal ions.

Key words: Oxalato bridge, Phosphine, Copper(Ⅱ)-Cobalt(Ⅱ), Magnetism

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BAO Jian-Chun, NI Xing, SUN Yue-Ming, XU Zheng. Synthesis and Magnetism of Novel Copper(Ⅱ)-Cobalt(Ⅱ)Oxalato-Bridged Binuclear Complexes Containing Phosphine Ligand[J]. Chem. J. Chinese Universities, 1994, 15(2): 178.

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Synthesis and Magnetism of Novel Copper(Ⅱ)-Cobalt(Ⅱ)Oxalato-Bridged Binuclear Complexes Containing Phosphine Ligand

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