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Synthesis, structure and magnetism of the mixed-valent phosphonate cage, [MnIIMnIII12(μ4-O)6(μ-OH)6(O3P–t-Bu)10(OH2)2(DMF)4]·[2MeOH·4DMF]
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Chandrasekhar, Vadapalli, Goura, Joydeb, Gopal, Kandasamy, Liu, Junjie and Goddard, Paul (2014) Synthesis, structure and magnetism of the mixed-valent phosphonate cage, [MnIIMnIII12(μ4-O)6(μ-OH)6(O3P–t-Bu)10(OH2)2(DMF)4]·[2MeOH·4DMF]. Polyhedron, Volume 72 . pp. 35-42. doi:10.1016/j.poly.2014.01.017 ISSN 0277-5387.
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Official URL: http://dx.doi.org/10.1016/j.poly.2014.01.017
Abstract
The reaction of MnCl2·4H2O with t-BuPO3H2 in the presence of triethylamine afforded the tridecanuclear cage, [MnIIMnIII12(μ4-O)6(μ-OH)6(O3P–t-Bu)10(OH2)2(DMF)4]·[2MeOH·4DMF] (1). The structural analysis of 1 reveals that it is a mixed-valent complex containing a [MnIIMnIII12(μ4-O)6] core. The centre of the core is occupied by a MnII ion which is surrounded by 12 MnIII ions. The latter are connected to each other by six μ-OH− and 10 t-BuPO32− ligands. The vacant coordination sites of six MnIII ions situated in the periphery are occupied by four DMF and two water molecules. Magnetic studies on 1 reveal a frequency-dependent response which is characteristic of single-molecule magnets.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Journal or Publication Title: | Polyhedron | ||||||||||
Publisher: | Pergamon | ||||||||||
ISSN: | 0277-5387 | ||||||||||
Official Date: | 18 April 2014 | ||||||||||
Dates: |
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Volume: | Volume 72 | ||||||||||
Page Range: | pp. 35-42 | ||||||||||
DOI: | 10.1016/j.poly.2014.01.017 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access |
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