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Issue 20, 2010
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Hydrogen bond assisted co-crystallization of a bimetallic MnIII2NiII2cluster and a NiII2cluster unit: synthesis, structure, spectroscopy and magnetism

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Abstract

A new bimetallic Schiff-base composite complex [Ni2(LH2)2(H2O)2Cl2][Mn2Ni2(LH)4]2Cl4(CH3OH) (1) has been synthesized by a simple one-pot reaction. The compound was structurally characterized by single-crystal X-ray diffraction. In the crystal structure the dinuclear nickel units are connected to the tetranuclear Mn2Ni2 units by means of strong hydrogen-bonding interactions. The compound was further characterized by ESI-MS, ligand-field and infrared spectroscopy. The magnetic properties of the compound have been studied in combination with preliminary DFT calculations, and have resulted in the successful determination of the nature of the magnetic exchange interactions between the metal ions, and hence the coupling constants.

Graphical abstract: Hydrogen bond assisted co-crystallization of a bimetallic MnIII2NiII2 cluster and a NiII2 cluster unit: synthesis, structure, spectroscopy and magnetism

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Article information


Submitted
21 Sep 2009
Accepted
05 Nov 2009
First published
22 Dec 2009

Dalton Trans., 2010,39, 4986-4990
Article type
Paper

Hydrogen bond assisted co-crystallization of a bimetallic MnIII2NiII2 cluster and a NiII2 cluster unit: synthesis, structure, spectroscopy and magnetism

S. Nayak, G. Aromí, S. J. Teat, J. Ribas-Ariño, P. Gamez and J. Reedijk, Dalton Trans., 2010, 39, 4986 DOI: 10.1039/B919654D

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