Syntheses, structure and magnetic properties of dinuclear oxamidato-bridged copper(II) complexes

Koulin Zhang; Zhuang Jin Zhong; Yong Zhang; Xiaozeng You; Kaibei Yu

doi:10.1016/0277-5387(95)00423-8

Syntheses, structure and magnetic properties of dinuclear oxamidato-bridged copper(II) complexes

Koulin Zhang
, Zhuang Jin Zhong
, Yong Zhang
, Xiaozeng You
, Kaibei Yu

Department of Chemistry and Chemical Biology

Nanjing University
Chinese Academy of Sciences

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A new N,N′-disubstituted oxamide ligand H₄OBO which represents N,N′-bis (2-hydroxybenzyl)oxamide, related monomeric copper(II) complex salt Na₂[Cu(OBO)] · H₂O and two oxamidato-bridged dinuclear copper(II) complexes, namely [Cu₂(OBO) (bipy)] · 2H₂O (1), [Cu₂(OBO)(py)₄] (2) (bipy = 2,2′-bipyridine, py = pyridine) have been synthesized. Single crystal X-ray analysis revealed that the complex 2 has a trans-oxamidato-bridged dinuclear copper(II) structure, in which each copper(II) ion exhibits a distorted square-pyramidal surrounding. Complex 2 is rapidly turned into a complex [Cu₂(OBO)(py)₃(H₂O)₂] (3) when exposed to the air. Based on the spin Hamiltonian H = -2JS_A · S_B, the magnetic susceptibility data of 1 and 3 have been best fitted with J values of 209 and 161 cm^-1, respectively.

Original language	English
Pages (from-to)	1859-1864
Number of pages	6
Journal	Polyhedron
Volume	15
Issue number	11
DOIs	https://doi.org/10.1016/0277-5387(95)00423-8
State	Published - Jun 1996

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@article{2b3f8650d96849fe8246c7bd5f3c1856,

title = "Syntheses, structure and magnetic properties of dinuclear oxamidato-bridged copper(II) complexes",

abstract = "A new N,N′-disubstituted oxamide ligand H4OBO which represents N,N′-bis (2-hydroxybenzyl)oxamide, related monomeric copper(II) complex salt Na2[Cu(OBO)] · H2O and two oxamidato-bridged dinuclear copper(II) complexes, namely [Cu2(OBO) (bipy)] · 2H2O (1), [Cu2(OBO)(py)4] (2) (bipy = 2,2′-bipyridine, py = pyridine) have been synthesized. Single crystal X-ray analysis revealed that the complex 2 has a trans-oxamidato-bridged dinuclear copper(II) structure, in which each copper(II) ion exhibits a distorted square-pyramidal surrounding. Complex 2 is rapidly turned into a complex [Cu2(OBO)(py)3(H2O)2] (3) when exposed to the air. Based on the spin Hamiltonian H = -2JSA · SB, the magnetic susceptibility data of 1 and 3 have been best fitted with J values of 209 and 161 cm-1, respectively.",

author = "Koulin Zhang and Zhong, \{Zhuang Jin\} and Yong Zhang and Xiaozeng You and Kaibei Yu",

year = "1996",

month = jun,

doi = "10.1016/0277-5387(95)00423-8",

language = "English",

volume = "15",

pages = "1859--1864",

number = "11",

}

TY - JOUR

T1 - Syntheses, structure and magnetic properties of dinuclear oxamidato-bridged copper(II) complexes

AU - Zhang, Koulin

AU - Zhong, Zhuang Jin

AU - Zhang, Yong

AU - You, Xiaozeng

AU - Yu, Kaibei

PY - 1996/6

Y1 - 1996/6

N2 - A new N,N′-disubstituted oxamide ligand H4OBO which represents N,N′-bis (2-hydroxybenzyl)oxamide, related monomeric copper(II) complex salt Na2[Cu(OBO)] · H2O and two oxamidato-bridged dinuclear copper(II) complexes, namely [Cu2(OBO) (bipy)] · 2H2O (1), [Cu2(OBO)(py)4] (2) (bipy = 2,2′-bipyridine, py = pyridine) have been synthesized. Single crystal X-ray analysis revealed that the complex 2 has a trans-oxamidato-bridged dinuclear copper(II) structure, in which each copper(II) ion exhibits a distorted square-pyramidal surrounding. Complex 2 is rapidly turned into a complex [Cu2(OBO)(py)3(H2O)2] (3) when exposed to the air. Based on the spin Hamiltonian H = -2JSA · SB, the magnetic susceptibility data of 1 and 3 have been best fitted with J values of 209 and 161 cm-1, respectively.

AB - A new N,N′-disubstituted oxamide ligand H4OBO which represents N,N′-bis (2-hydroxybenzyl)oxamide, related monomeric copper(II) complex salt Na2[Cu(OBO)] · H2O and two oxamidato-bridged dinuclear copper(II) complexes, namely [Cu2(OBO) (bipy)] · 2H2O (1), [Cu2(OBO)(py)4] (2) (bipy = 2,2′-bipyridine, py = pyridine) have been synthesized. Single crystal X-ray analysis revealed that the complex 2 has a trans-oxamidato-bridged dinuclear copper(II) structure, in which each copper(II) ion exhibits a distorted square-pyramidal surrounding. Complex 2 is rapidly turned into a complex [Cu2(OBO)(py)3(H2O)2] (3) when exposed to the air. Based on the spin Hamiltonian H = -2JSA · SB, the magnetic susceptibility data of 1 and 3 have been best fitted with J values of 209 and 161 cm-1, respectively.

UR - https://www.scopus.com/pages/publications/0000863029

UR - https://www.scopus.com/pages/publications/0000863029#tab=citedBy

U2 - 10.1016/0277-5387(95)00423-8

DO - 10.1016/0277-5387(95)00423-8

M3 - Article

AN - SCOPUS:0000863029

SN - 0277-5387

VL - 15

SP - 1859

EP - 1864

JO - Polyhedron

JF - Polyhedron

IS - 11

ER -

Syntheses, structure and magnetic properties of dinuclear oxamidato-bridged copper(II) complexes

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