Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Biswas, Sourav | - |
dc.contributor.author | Das, Sourav | - |
dc.contributor.author | van Leusen, Jan | - |
dc.contributor.author | Koegerler, Paul | - |
dc.contributor.author | Chandrasekhar, Vadapalli | - |
dc.date.available | 2017-07-11T06:13:16Z | - |
dc.date.created | 2017-04-10 | - |
dc.date.issued | 2015 | - |
dc.identifier.issn | 1477-9226 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/2980 | - |
dc.description.abstract | The reaction of LnCl3·6H2O (Ln = Dy3+, Tb3+ and Ho3+) with the multisite coordinating ligand N′-(2-hydroxy-3-(hydroxymethyl)-5-methylbenzylidene)acetohydrazide (LH3) in the presence of pivalic acid (PivH) leads to the formation of three isostructural homometallic pentanuclear complexes, [Dy5(LH)4(η1-Piv)(η2-Piv)3(μ2-η2η1Piv)2(H2O)]·Cl·9·5H2O·5MeOH (1), [Tb5(LH)4(η1-Piv)(η2-Piv)3(μ2-η2η1Piv)2(H2O)]·Cl·10.5H2O·2MeOH·2CHCl3 (2) and [Ho5(LH)4(η1-Piv)(η2-Piv)3(μ2-η2η1Piv)2(H2O)]·Cl·14.5H2O·2CHCl3 (3). 1-3 are monocationic and are comprised of four doubly deprotonated [LH]2- ligands along with six pivalate ions. These complexes possess a [2.2] spirocyclic topology formed by the fusion of two triangles of LnIII ions at a common vertex. The magneto chemical analysis reveals the presence of antiferromagnetic exchange interactions at low temperature, and the DyIII complex 1 gives an out-of-phase signal with a small curvature in alternating current (ac) magnetic susceptibility measurement. Application of a 3000 G static field during ac measurement intensifies the signals, revealing a second slow relaxation process in the DyIII analogue. © The Royal Society of Chemistry. | - |
dc.publisher | Royal Society of Chemistry | - |
dc.title | Pentanuclear [2.2] spirocyclic lanthanide(III) complexes: slow magnetic relaxation of the Dy-III analogue | - |
dc.type | Article | - |
dc.identifier.doi | 10.1039/c5dt03060a | - |
dc.identifier.scopusid | 2-s2.0-84946594563 | - |
dc.identifier.bibliographicCitation | Dalton Transactions, v.44, no.44, pp.19282 - 19293 | - |
dc.subject.keywordPlus | SINGLE-MOLECULE-MAGNET | - |
dc.subject.keywordPlus | GD-III | - |
dc.subject.keywordPlus | STRUCTURAL-CHARACTERIZATION | - |
dc.subject.keywordPlus | CATALYTIC HYDROAMINATION | - |
dc.subject.keywordPlus | COORDINATION POLYMERS | - |
dc.subject.keywordPlus | SMM BEHAVIOR | - |
dc.subject.keywordPlus | SPIN QUBITS | - |
dc.subject.keywordPlus | COMPLEXES | - |
dc.subject.keywordPlus | LN | - |
dc.subject.keywordPlus | HO | - |
dc.citation.endPage | 19293 | - |
dc.citation.number | 44 | - |
dc.citation.startPage | 19282 | - |
dc.citation.title | Dalton Transactions | - |
dc.citation.volume | 44 | - |
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