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hal.structure.identifierInstitut für Chemie, Lehrstuhl für Anorganische Chemie
dc.contributor.authorHEIDER, Silvio
hal.structure.identifierInstitut für Chemie, Lehrstuhl für Anorganische Chemie
dc.contributor.authorPETZOLD, Holm
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCHASTANET, Guillaume
hal.structure.identifierInorganic Chemistry II
dc.contributor.authorSCHLAMP, Stephan
hal.structure.identifierInstitut für Chemie, Lehrstuhl für Anorganische Chemie
dc.contributor.authorRÜFFER, Tobias
hal.structure.identifierInorganic Chemistry II
dc.contributor.authorWEBER, Birgit
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLÉTARD, Jean-François
dc.date.issued2013
dc.identifier.issn1477-9226
dc.description.abstractEnThe novel hexadentate nitrogen based ligand N,N'-bis-(2-(1H-pyrazol-1-yl)pyridine-6-ylmethyl)-2,2'-biphenylenediamine (3) was synthesized and used for the preparation of iron Spin Crossover (SCO) complexes [Fe(3)][BF4]2 (4) and [Fe(3)][ClO4]2 (5), which differ only by the respective counter ion. These complex salts show different spin transition temperatures T1/2 (135 and 157 K, respectively). This effect was studied by the investigation of the solid state structure of different low- and high-spin isomers. All complexes of this series show closely related crystal packing regardless of the counter ion, metal (Zn/Fe) and spin state. The isomer exhibiting the lower transition temperature (4) was also investigated in respect to its photomagnetic behaviour. The LIESST process could be monitored for this complex, but no reverse-LIESST was observed. The relaxation of the photo-induced state occurs at ca. 80 K, showing a complex, three-state relaxation mechanism.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.subject.enSpin crossover
dc.subject.enFe(II)
dc.subject.enBiphenyl
dc.title.enBiphenyl bridged hexadentate N6-ligands - a rigid ligand backbone for Fe(II) spin crossover complexes.
dc.typeArticle de revue
dc.identifier.doi10.1039/c2dt32451b
dc.subject.halChimie/Matériaux
bordeaux.journalDalton Transactions
bordeaux.page8575-8584
bordeaux.volume42
bordeaux.issue24
bordeaux.peerReviewedoui
hal.identifierhal-00828219
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00828219v1
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