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Data for Heterometallic trinuclear {CoIIILnIII} (Ln = Gd, Tb, Ho and Er) complexes in a bent geometry. Field-induced single-ion magnetic behavior of the ErIII and TbIII analogues
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Goura, Joydeb, Brambleby, Jamie, Topping, Craig V., Goddard, Paul, Narayanan, Ramakirushnan Suriya, Bar, Arun Kumar and Chandrasekhar, Vadapalli (2016) Data for Heterometallic trinuclear {CoIIILnIII} (Ln = Gd, Tb, Ho and Er) complexes in a bent geometry. Field-induced single-ion magnetic behavior of the ErIII and TbIII analogues. [Dataset]
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Dalt Trans 45 9235 (2016).zip - Published Version Download (44Kb) |
Official URL: http://wrap.warwick.ac.uk/78975
Abstract
Through the use of a multi-site compartmental ligand, 2-methoxy-6-[{2-(2-hydroxyethylamino)ethylimino}methyl]phenol (LH3), the family of heterometallic, trinuclear complexes of the formula [CoIII2Ln(L)2(μ-O2CCH3)2(H2O)3]·NO3·xMeOH·yH2O has been expanded beyond Ln = DyIII to include GdIII (1), TbIII (2), HoIII (3) and ErIII (4) for 1, 3 and 4 (x = 1; y = 1) and for 2 (x = 0; y = 2). The metallic core of these complexes consists of a (CoIII–LnIII–CoIII) motif bridged in a bent geometry resulting in six-coordinated distorted CoIII octahedra and nine-coordinated LnIII monocapped square-antiprisms. The magnetic characterization of these compounds reveals the erbium and terbium analogues to display a field induced single-ion magnetic behavior similar to the dysprosium analogue but at lower temperatures. The energy barrier for the reversal of the magnetization of the CoIII2TbIII analogue is Ueff ≥ 15.6(4) K, while for the CoIII2ErIII analogue Ueff ≥ 9.9(8) K. The magnetic properties are discussed in terms of distortions of the 4f electron cloud.
| Item Type: | Dataset | ||||||
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| Subjects: | Q Science > QD Chemistry | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Type of Data: | Multiple | ||||||
| Library of Congress Subject Headings (LCSH): | Complex compounds -- Magnetic properties, Ligands | ||||||
| Publisher: | University of Warwick, Department of Physics | ||||||
| Official Date: | 1 May 2016 | ||||||
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| Status: | Not Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Media of Output (format): | .txt | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Description: | Fig6a, Fig6b, Fig7ab, Fig7cd, Fig8ab, Fig8cd, Fig9, Fig10, Fig11a, Fig11b, Fig11c, Fig12ab, Fig12cd, Fig13, Fig14ab, Fig14cd |
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| Date of first compliant deposit: | 1 August 2016 | ||||||
| Date of first compliant Open Access: | 1 September 2016 | ||||||
| RIOXX Funder/Project Grant: |
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