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[Fe(TPT)2/3{MI(CN)2}2]·nSolv (MI=Ag, Au): new bimetallic porous coordination polymers with spin-crossover properties

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[Fe(TPT)2/3{MI(CN)2}2]·nSolv (MI=Ag, Au): new bimetallic porous coordination polymers with spin-crossover properties

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dc.contributor.author Arcis-Castillo, Zulema es_ES
dc.contributor.author Muñoz Roca, María del Carmen es_ES
dc.contributor.author Molnár, Gábor es_ES
dc.contributor.author Bousseksou, Azzedine es_ES
dc.contributor.author Real, José Antonio es_ES
dc.date.accessioned 2013-11-19T16:03:22Z
dc.date.issued 2013-05-17
dc.identifier.issn 0947-6539
dc.identifier.uri http://hdl.handle.net/10251/33766
dc.description.abstract Two new heterobimetallic porous coordination polymers with the formula [Fe(TPT)2/3{MI(CN)2}2]¿nSolv (TPT=[(2,4,6-tris(4-pyridyl)-1,3,5-triazine]; MI=Ag (nSolv=0, 1¿MeOH, 2¿CH2Cl2), Au (nSolv=0, 2¿CH2Cl2)) have been synthesized and their crystal structures were determined at 120¿K and 293¿K by single-crystal X-ray analysis. These structures crystallized in the trigonal R-3m space group. The FeII ion resides at an inversion centre that defines a [FeN6] coordination core. Four dicyanometallate groups coordinate at the equatorial positions, whilst the axial positions are occupied by the TPT ligand. Each TPT ligand is centred in a ternary axis and bridges three crystallographically equivalent FeII ions, whilst each dicyanometallate group bridges two crystallographically equivalent FeII ions that define a 3D network with the topology of NbO. There are two such networks, which interpenetrate each other, thereby giving rise to large spaces in which very labile solvent molecules are included (CH2Cl2 or MeOH). Crystallographic analysis confirmed the reversible structural changes that were associated with the occurrence of spin-crossover behaviour at the FeII ions, the most significant structural variation being the change in unit-cell volume (about 59¿Å3 per FeII ion). The spin-crossover behaviour has been monitored by means of thermal dependence of the magnetic properties, Mössbauer spectroscopy, and calorimetry. es_ES
dc.description.sponsorship This work was supported by the Spanish Ministerio de Ciencia e Innovacion (MICINN, presently the Ministerio de Economia y Competitividad) and FEDER funds (CTQ2010-18414), the Generalitat Valenciana through projects PROMETEO/2012/049 and ACOMP2012/233, and the French ANR Chemoswitch project. Z.A.-C. thanks the Spanish Ministerio de Educacion, Cultura y Deporte for a doctoral (FPU) grant. en_EN
dc.format.extent 11 es_ES
dc.language Inglés es_ES
dc.publisher Wiley-VCH Verlag es_ES
dc.relation Ministerio de Economía y Competitividad es_ES
dc.relation FEDER (CTQ2010-1841) es_ES
dc.relation Generalitat Valenciana (PROMETEO/2012/049 and ACOMP2012/233) es_ES
dc.relation French ANR Chemoswitch project es_ES
dc.relation Ministerio de Educacion, Cultura y Deporte for a doctoral (FPU) grant es_ES
dc.relation.ispartof Chemistry - A European Journal es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Coordination polymers es_ES
dc.subject Iron es_ES
dc.subject Porosity es_ES
dc.subject Self-assembly es_ES
dc.subject Spin crossover es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.title [Fe(TPT)2/3{MI(CN)2}2]·nSolv (MI=Ag, Au): new bimetallic porous coordination polymers with spin-crossover properties es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.embargo.terms forever es_ES
dc.identifier.doi 10.1002/chem.201203559
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.description.bibliographicCitation Arcis-Castillo, Z.; Muñoz Roca, MDC.; Molnár, G.; Bousseksou, A.; Real, JA. (2013). [Fe(TPT)2/3{MI(CN)2}2]·nSolv (MI=Ag, Au): new bimetallic porous coordination polymers with spin-crossover properties. Chemistry - A European Journal. 19(21):6851-6861. doi:10.1002/chem.201203559 es_ES
dc.description.accrualMethod Senia es_ES
dc.relation.publisherversion http://onlinelibrary.wiley.com/doi/10.1002/chem.201203559/suppinfo es_ES
dc.description.upvformatpinicio 6851 es_ES
dc.description.upvformatpfin 6861 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 19 es_ES
dc.description.issue 21 es_ES
dc.relation.senia 246060


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