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Journal of Coordination Chemistry Volume 64, 2011 - Issue 11
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Original Articles

Synthesis, crystal structure, and magnetic properties of a phenoxo-bridged dinuclear nickel(II) complex

Hong-Shan Ke State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P.R. China; Graduate School of the Chinese Academy of Sciences, Beijing 100039, P.R. China
,
Lang Zhao State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P.R. China
&
Jinkui Tang State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P.R. ChinaCorrespondence[email protected]
Pages 2020-2027 | Received 12 Jan 2011, Accepted 12 Apr 2011, Published online: 01 Jun 2011
 
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Abstract

A new dinuclear nickel complex, [(H1.5L)2](ClO4) · 2CH3OH · H2O (1) (H3L = 1,3-bis(salicylamino)-2-propanol), was synthesized and characterized by single-crystal X-ray diffraction, IR spectra, elemental analysis, and magnetic measurements. In contrast to commonly observed alcoholic oxygen bridges in previously reported dinuclear complexes, single-crystal X-ray studies reveal that the H3L is highly distorted and links two NiII through the phenoxo oxygens of the ligands forming a [Ni2O2] core. The remarkable distortion of the ligand brings the two non-bridging phenol groups from different ligands close to share one hydrogen, keeping charge neutrality of the complex. Magnetic studies indicate that an overall antiferromagnetic interaction is operative between the metal centers.

Acknowledgments

We thank the National Natural Science Foundation of China (grants 20871113, 20921002, and 91022009) for the financial support.

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