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Two oxamido-bridged binuclear Cu–M complexes (M = CoII, CuII): synthesis, crystal structures and magnetic studies

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Abstract

Two novel oxamido-bridged macrocyclic complexes, [LCu(CH3OH)Co(phen)2](ClO4)2·CH3OH (1) and [LCu(CH3OH) Cu(phen)2](ClO4)2·CH3OH (2) (where H2L = 2,3-dioxo-5,6:13,14-dibenzo-7,10,12-trimethyl-1,4,8,11-tetraazacyclo-tetradeca-7,12-diene, phen = 1,10-phenanthroline), have been prepared by stepwise synthesis and characterized. In both complexes, each Cu(II) atom from the precursor ligand CuL is connected to a Co(II) (or Cu(II)) atom via the exo–cis oxygen atoms, resulting in a binuclear subunit. Magnetic susceptibility measurements in the 2–300 K temperature range have been taken for the two complexes.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Nos. 59973008 and 20571046) and Natural Science Foundation of Tianjin (No. 013603711)

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Correspondence to Guang-Ming Yang.

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Yang, F., Zhang, Y., Wang, Q. et al. Two oxamido-bridged binuclear Cu–M complexes (M = CoII, CuII): synthesis, crystal structures and magnetic studies. Transition Met Chem 34, 809–813 (2009). https://doi.org/10.1007/s11243-009-9267-z

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Keywords

  • Magnetic Susceptibility
  • CH3OH
  • Phen
  • Phen Ligand
  • Hydrogen Atom Position