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Issue 8, 2014
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Switching off the single-molecule magnet properties of the [CoII(Me6tren)(OH2)]2+ module by complexation with trans-[RuIII(salen)(CN)2]

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Abstract

The trinuclear complex [{CoII(Me6tren)}2(μ-NC)2RuIII(salen)](NO3)3·3CH3CN·H2O (2) (salen = N,N′-ethylenebis(salicylideneiminato); Me6tren = tris((dimethylamino)ethyl)amine) was synthesized by the reaction of trans-(PPh4)[RuIII(salen)(CN)2] and two equivalents of [CoII(Me6tren)(OH2)](NO3)2 (1). Magnetic susceptibility measurements of 1 reveal its single-molecule magnet behaviour whilst 2 shows no appreciable slow dynamics of the magnetization even under an applied dc field. A comparison of the electrochemical properties of complex 2 with the trans-(PPh4)[RuIII(salen)(CN)2] precursor reveals anodic shifts of the reduction and oxidation waves. The absorption spectrum of 2 obtained from surface optical reflectivity methods is also reported and discussed.

Graphical abstract: Switching off the single-molecule magnet properties of the [CoII(Me6tren)(OH2)]2+ module by complexation with trans-[RuIII(salen)(CN)2]−

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Supplementary files

Article information


Submitted
25 Mar 2014
Accepted
28 Apr 2014
First published
28 Apr 2014

This article is Open Access

New J. Chem., 2014,38, 3443-3448
Article type
Paper
Author version available

Switching off the single-molecule magnet properties of the [CoII(Me6tren)(OH2)]2+ module by complexation with trans-[RuIII(salen)(CN)2]

D. M. Piñero Cruz, D. N. Woodruff, I. Jeon, I. Bhowmick, M. Secu, E. A. Hillard, P. Dechambenoit and R. Clérac, New J. Chem., 2014, 38, 3443
DOI: 10.1039/C4NJ00452C

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