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Issue 11, 2014
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A family of cationic oxime-based hexametallic manganese(III) single-molecule magnets

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Abstract

Three novel cationic hexametallic Mn(III) compounds of formulae [Mn63-O)2(H2N-sao)6(py)6(EtOH)2](ClO4)2·4EtOH (1), [Mn63-O)2(H2N-sao)6(tpy)6(H2O)2](ClO4)2·2tpy·4H2O·2EtOH (2) and [Mn63-O)2(H2N-sao)6(Him)6(EtOH)2](ClO4)2·6EtOH (3) [H2N-saoH2 = salicylamidoxime, py = pyridine, tpy = 4-tert-butylpyridine and Him = imidazole] have been synthesised and magnetostructurally characterised. These [Mn6]2+ complexes are new members of the oxime-based family of neutral [Mn6] single-molecule magnets (SMMs) in which the previously terminally bonded carboxylates, phosphinates, halides or ROH molecules on the outwardly facing triangular faces have been replaced with pyridine (1), 4-tert-butylpyridine (2) and imidazole (3) molecules generating a new series of salts based on Mn6 complexes. These results suggest that the cationic [Mn6]2+ species could be used as suitable building blocks for preparing new materials with different functionalities.

Graphical abstract: A family of cationic oxime-based hexametallic manganese(iii) single-molecule magnets

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Publication details

The article was received on 23 Sep 2013, accepted on 11 Nov 2013 and first published on 11 Nov 2013


Article type: Paper
DOI: 10.1039/C3DT52640B
Citation: Dalton Trans., 2014,43, 4408-4414
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    A family of cationic oxime-based hexametallic manganese(III) single-molecule magnets

    J. Martínez-Lillo, N. Dolan and E. K. Brechin, Dalton Trans., 2014, 43, 4408
    DOI: 10.1039/C3DT52640B

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