A Heterometallic (NiII-CuII) Decanuclear Cluster Containing Two Distorted Cubane-like Pentanuclear Cores: Synthesis, Structure, and Magnetic Properties

被引：33

作者：

Chakraborty, Anindita ^{[1
]}

Ghosh, Barindra Kumar ^{[2
]}

Ribas-Arino, Jordi ^{[3
,4
]}

Ribas, Joan

Maji, Tapas Kumar ^{[1
,5
]}

机构：

[1] JNCASR, Mat Mol Lab, Chem & Phys Mat Unit, Bangalore 560064, Karnataka, India

[2] Univ Burdwan, Dept Chem, Burdwan 713104, W Bengal, India

[3] Univ Barcelona, Dept Quim Fis, E-08028 Barcelona, Spain

[4] Univ Barcelona, IQCCUB, E-08028 Barcelona, Spain

[5] Univ Barcelona, Dept Quim Inorgan, E-08028 Barcelona, Spain

来源：

INORGANIC CHEMISTRY | 2012年 / 51卷 / 12期

关键词：

NEUTRON-SCATTERING SPECTRA; METAL-COMPLEXES; ENERGY-LEVELS; TRINUCLEAR; UNITS; CONVERSION; BEHAVIOR;

D O I：

10.1021/ic300756g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new heterometallic Ni-II-Cu-II decanuclear cluster, {[Ni4Cu6(mu-OH2)(2)(dpkO(2))(8)(OAc)(4)-(H2O)(4)]center dot 2CH(3)OH center dot 17H(2)O} (1), has been synthesized by self-assembly of the constituent metal ions and the precursor di-2-pyridylketone (dpk) of multinucleating ligand dpkO(2)(2-) and is structurally characterized. The cluster 1 is formed by the union of two symmetry-related distorted cubane-like pentanuclear cores. A magnetic study of 1 reveals strong antiferromagnetic interactions operating through the Ni-O-Ni pathway, which is independent of the assumption D = 0 or D not equal 0. The pentanuclear cores are ferromagnetically coupled, as supported by density functional theory calculations.

引用

页码：6440 / 6442

页数：3

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