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Issue 13, 2018
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Impact of nuclearity and topology on the single molecule magnet behaviour of hexaazatrinaphtylene-based cobalt complexes

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Abstract

A hexaazatrinaphtylene-based transition metal complex that exhibits single molecule magnet (SMM) behaviour is reported herein. Both monometallic (1) and bimetallic (2) CoII complexes with distorted octahedral geometries could be obtained through a straightforward change in synthetic conditions. Field induced SMM behaviour was exhibited by 1, with a D value of −60 cm−1 and Ueff = 17 K originating from the unquenched orbital angular momentum of the octahedral CoII (d7) centre. On the other hand, 2 exhibits weak antiferromagnetic interactions with a positive D value, thus preventing the observation of SMM behaviour. This investigation reveals the influence of both nuclearity and topology on the magnetic properties of HATN based complexes.

Graphical abstract: Impact of nuclearity and topology on the single molecule magnet behaviour of hexaazatrinaphtylene-based cobalt complexes

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Publication details

The article was received on 24 Jan 2018, accepted on 02 Mar 2018 and first published on 06 Mar 2018


Article type: Paper
DOI: 10.1039/C8DT00324F
Citation: Dalton Trans., 2018,47, 4678-4684
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    Impact of nuclearity and topology on the single molecule magnet behaviour of hexaazatrinaphtylene-based cobalt complexes

    M. A. Lemes, F. Magnan, B. Gabidullin and J. Brusso, Dalton Trans., 2018, 47, 4678
    DOI: 10.1039/C8DT00324F

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