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Photoinduced Mo-CN bond breakage in octacyanomolybdate leading to spin triplet trapping

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorQI, Xinghui
hal.structure.identifierCristallographie, Résonance Magnétique et Modélisations [CRM2]
dc.contributor.authorPILLET, Sébastien
hal.structure.identifierInstitució Catalana de Recerca i Estudis Avançats = Catalan Institution for Research and Advanced Studies [ICREA]
dc.contributor.authorDE GRAAF, Coen
hal.structure.identifierUniwersytet Jagielloński w Krakowie = Jagiellonian University [UJ]
dc.contributor.authorMAGOTT, Michał
hal.structure.identifierCristallographie, Résonance Magnétique et Modélisations [CRM2]
dc.contributor.authorBENDEIF, El-Eulmi
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUIONNEAU, Philippe
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorROUZIÈRES, Mathieu
hal.structure.identifierInstitut Parisien de Chimie Moléculaire [IPCM]
dc.contributor.authorMARVAUD, Valerie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSTEFAŃCZYK, Olaf
hal.structure.identifierUniwersytet Jagielloński w Krakowie = Jagiellonian University [UJ]
dc.contributor.authorPINKOWICZ, Dawid
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMATHONIÈRE, Corine
dc.date.issued2020-02-17
dc.identifier.issn1433-7851
dc.description.abstractEnThe photoinduced properties of the octacoordinated complex K4MoIV(CN)8⋅2 H2O were studied by theoretical calculations, crystallography, and optical and magnetic measurements. The crystal structure recorded at 10 K after blue light irradiation reveals an heptacoordinated Mo(CN)7 species originating from the light‐induced cleavage of one Mo−CN bond, concomitant with the photoinduced formation of a paramagnetic signal. When this complex is heated to 70 K, it returns to its original diamagnetic ground state, demonstrating full reversibility. The photomagnetic properties show a partial conversion into a triplet state possessing significant magnetic anisotropy, which is in agreement with theoretical studies. Inspired by these results, we isolated the new compound [K(crypt‐222)]3[MoIV(CN)7]⋅3 CH3CN using a photochemical pathway, confirming that photodissociation leads to a stable heptacyanomolybdate(IV) species in solution.
dc.description.sponsorshipIsite LUE - ANR-15-IDEX-0004
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.title.enPhotoinduced Mo-CN bond breakage in octacyanomolybdate leading to spin triplet trapping
dc.typeArticle de revue
dc.identifier.doi10.1002/anie.201914527
dc.subject.halChimie/Chimie de coordination
bordeaux.journalAngewandte Chemie International Edition
bordeaux.page3117-3121
bordeaux.volume59
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-02499555
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02499555v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Angewandte%20Chemie%20International%20Edition&rft.date=2020-02-17&rft.volume=59&rft.issue=8&rft.spage=3117-3121&rft.epage=3117-3121&rft.eissn=1433-7851&rft.issn=1433-7851&rft.au=QI,%20Xinghui&PILLET,%20S%C3%A9bastien&DE%20GRAAF,%20Coen&MAGOTT,%20Micha%C5%82&BENDEIF,%20El-Eulmi&rft.genre=article


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