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Regulation of Multistep Spin Crossover Across Multiple Stimuli in a 2-D Framework Material

hal.structure.identifierUNSW School of Chemistry [Sydney]
dc.contributor.authorAHMED, Manan
hal.structure.identifierSchool of Chemistry, The University of Sydney
dc.contributor.authorZENERE, Katrina
hal.structure.identifierSchool of Chemistry, The University of Sydney
dc.contributor.authorSCIORTINO, Natasha
hal.structure.identifierSchool of Chemistry & Molecular Biosciences
dc.contributor.authorARACHCHIGE, Kasun
hal.structure.identifierSchool of Molecular Sciences
dc.contributor.authorTURNER, Gemma
hal.structure.identifierSchool of Mathematics and Physics [Brisbane]
dc.contributor.authorCRUDDAS, Jace
hal.structure.identifierSchool of Chemistry [Melbourne]
dc.contributor.authorHUA, Carol
hal.structure.identifierAustralian Synchrotron [Clayton]
dc.contributor.authorPRICE, Jason
hal.structure.identifierSchool of Chemistry & Molecular Biosciences
dc.contributor.authorCLEGG, Jack
hal.structure.identifierInsitut de Ciencia Molecular
dc.contributor.authorVALVERDE-MUÑOZ, Francisco
hal.structure.identifierInsitut de Ciencia Molecular
dc.contributor.authorREAL, Jose
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCHASTANET, Guillaume
hal.structure.identifierSchool of Molecular Sciences
dc.contributor.authorMOGGACH, Stephen
hal.structure.identifierSchool of Chemistry, The University of Sydney
dc.contributor.authorKEPERT, Cameron
hal.structure.identifierSchool of Mathematics and Physics [Brisbane]
dc.contributor.authorPOWELL, Benjamin
hal.structure.identifierUNSW School of Chemistry [Sydney]
dc.contributor.authorNEVILLE, Suzanne
dc.date.issued2022-05-02
dc.identifier.issn0020-1669
dc.description.abstractEnWe investigate the effects of a broad array of external stimuli on the structural, spin-crossover (SCO) properties and nature of the elastic interaction within the 2-D Hofmann framework material [Fe(cintrz)2Pd(CN)4]•guest (cintrz = N-cinnamalidene 4-amino-1,2,4-triazole; A•guest; guest = 3H2O, 2H2O & ∅). This framework exhibits a delicate balance between ferro-and antiferro-elastic interaction characters; we show that manipulation of the pore contents across guest = 3H2O, 2H2O and ∅ can be exploited to regulate this balance. In A•3H2O, dominant antiferroelastic interaction character between neighboring Fe II sites sees the low temperature persistence of the mixed spin-state species {HS-LS}, for {Fe1-Fe2} (HS = high spin, LS = low spin). Elastic interaction strain is responsible for stabilizing the {HS-LS} state and can be overcome by three mechanisms: (1) partial (2H2O) or complete (∅) guest removal, (2) irradiation via the reverse-LIESST effect ( = 830 nm; light-induced excited spin-state trapping) and (3) the application of external hydrostatic pressure. Combining experimental data with elastic models presents a clear interpretation that while guest molecules cause a negative chemical pressure, they also have consequences for the elastic interactions between metals beyond the simple chemical pressure picture typically proposed.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enRegulation of Multistep Spin Crossover Across Multiple Stimuli in a 2-D Framework Material
dc.typeArticle de revue
dc.identifier.doi10.1021/acs.inorgchem.2c00530
dc.subject.halChimie/Matériaux
bordeaux.journalInorganic Chemistry
bordeaux.page6641-6649
bordeaux.volume61
bordeaux.issue17
bordeaux.peerReviewedoui
hal.identifierhal-03657569
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03657569v1
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