Slow magnetic relaxation in a Co(II) octahedral–tetrahedral system formed of a [CoL3]2+ core with L = bis(diphenylphosphanoxido) methane and tetrahedral [CoBr4]2− counter anions

F. Varga; C. Rajnák; J. Titiš; J. Moncoľ; R. Boča

doi:10.1039/C7DT00376E

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Slow magnetic relaxation in a Co(ii) octahedral–tetrahedral system formed of a [CoL₃]²⁺ core with L = bis(diphenylphosphanoxido) methane and tetrahedral [CoBr₄]²⁻ counter anions†

F. Varga,^a C. Rajnák,^a J. Titiš,^a J. Moncoľ^b and R. Boča

*^a

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* Corresponding authors

^a Department of Chemistry, Faculty of Natural Sciences, University of SS Cyril and Methodius, 91701 Trnava, Slovakia
E-mail: roman.boca@ucm.sk

^b Institute of Inorganic Chemistry, FCHPT, Slovak University of Technology, SK-812 37 Bratislava, Slovakia

Abstract

A bimetallic Co(II) compound [Co(dppm^O,O)₃][CoBr₄] consisting of cationic octahedral and anionic tetrahedral units in the crystal lattice shows a sizable magnetic anisotropy and field-supported slow magnetic relaxation with the relaxation time τ = 0.1–0.3 s at T = 1.9 K.

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DOI: https://doi.org/10.1039/C7DT00376E
Article type: Communication
Submitted: 31 Jan 2017
Accepted: 20 Feb 2017
First published: 20 Feb 2017

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Dalton Trans., 2017,46, 4148-4151

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Slow magnetic relaxation in a Co(II) octahedral–tetrahedral system formed of a [CoL₃]²⁺ core with L = bis(diphenylphosphanoxido) methane and tetrahedral [CoBr₄]²⁻ counter anions

F. Varga, C. Rajnák, J. Titiš, J. Moncoľ and R. Boča, Dalton Trans., 2017, 46, 4148 DOI: 10.1039/C7DT00376E

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