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Rational self-assembly of tricobalt extended metal atom chains and [MF6]2– building blocks into one-dimensional coordination polymers

hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCORTIJO, Miguel
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorBULICANU, Vladimir
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPEDERSEN, Kasper S.
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorROUZIÈRES, Mathieu
hal.structure.identifierDepartment of Chemistry [Copenhagen]
dc.contributor.authorBENDIX, Jesper
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorCLÉRAC, Rodolphe
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorHILLARD, Elisabeth A.
dc.date.issued2018
dc.identifier.issn1434-1948
dc.description.abstractEnFollowing our recent work on the first crystallographically characterized coordination polymers based on tricobalt extended metal atom chains (EMACs), namely, [Co3(dpa)4MF6]·2DMF [M = ZrIV (1), SnIV (2), and ReIV (3); Hdpa = 2,2′-dipyridylamine; DMF = N,N′-dimethylformamide], we have generalized our synthetic approach based on robust fluoride complexes to prepare new self-assembled one-dimensional (1D) polymers formed by [Co3(dpa)4]2+ and 5d [MF6]2– [M = IrIV (4) and OsIV (5)] building blocks. These 1D complexes are isostructural and crystallize in the P4/ncc space group such that the fourfold axis is coincident with the metal axes of the rigorously linear chains. Magnetic studies reveal ferromagnetic coupling between the S = 1/2 {Co3} and [MF6]2– units in 3 and 4, whereas the nonmagnetic [MF6]2– linkers of 1 and 5 mediate antiferromagnetic coupling between the {Co3} spins. For 2, no significant exchange coupling was observed. Spin-crossover behavior, which was observed for the parent [Co3(dpa)4Cl2] complex, was not detected for 1–5 up to 300 K. This work demonstrates that EMACs and [MF6]2– complexes can be considered as appealing building blocks for the design of new functional coordination networks.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.title.enRational self-assembly of tricobalt extended metal atom chains and [MF6]2– building blocks into one-dimensional coordination polymers
dc.typeArticle de revue
dc.identifier.doi10.1002/ejic.201701084
dc.subject.halChimie/Chimie de coordination
dc.subject.halChimie/Polymères
bordeaux.journalEuropean Journal of Inorganic Chemistry
bordeaux.page320-325
bordeaux.issue3-4
bordeaux.peerReviewedoui
hal.identifierhal-01708996
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01708996v1
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