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dc.contributor.author | Seredyuk, Maksym | es_ES |
dc.contributor.author | Piñeiro López, Lucia | es_ES |
dc.contributor.author | Muñoz Roca, María del Carmen | es_ES |
dc.contributor.author | Martínez Casado, Francisco J. | es_ES |
dc.contributor.author | Molnár, Gábor | es_ES |
dc.contributor.author | Rodriguez Velamazan, José Alberto | es_ES |
dc.contributor.author | Bousseksou, Azzedine | es_ES |
dc.contributor.author | Real, José Antonio | es_ES |
dc.date.accessioned | 2016-09-30T08:19:37Z | |
dc.date.issued | 2015-08 | |
dc.identifier.issn | 0020-1669 | |
dc.identifier.uri | http://hdl.handle.net/10251/70757 | |
dc.description | "This document is the Accepted Manuscript version of a Published Work that appeared in final form in Inorganic Cemistry, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://http://pubs.acs.org/doi/abs/10.1021/acs.inorgchem.5b01001 | es_ES |
dc.description.abstract | Deprotonation of the ionogenic tetradentate ligand 6,6'-bis(1H-tetrazol-5-yl)-2,2'-bipyridine [H(2)bipy(ttr)(2)] in the presence of Fe-II in solution has afforded an anionic mononuclear complex and a neutral two-dimensional coordination polymer formulated as, respectively, NEt3H{Fe[bipy(ttr)(2)][Hbipy(ttr)(2)]}center dot 3MeOH (1) and {Fe[bipy(ttr)(2)]}(n) (2). The anions [Hbipy(ttr)(2)](-) and [bipy(ttr)(2)](2-) embrace the Fe-II centers defining discrete molecular units 1 with the FeII ion lying in a distorted bisdisphenoid dodecahedron, a rare example of octacoordination in the coordination environment of this cation. The magnetic behavior of 1 shows that the FeII is high-spin, and its Mossbauer spectrum is characterized by a relatively large average quadrupole splitting, Delta E-Q = 3.42 mm s(-1). Compound 2 defines a strongly distorted octahedral environment for FeII in which one [bipy(ttr)(2)](-) anion coordinates the equatorial positions of the Fe-II center, while the axial positions are occupied by peripheral N-tetrazole atoms of two adjacent {Fe[bipy(ttr)(2)]}(0) moieties thereby generating an infinite double-layer sheet. Compound 2 undergoes an almost complete spin crossover transition between the high-spin and low-spin states centered at about 221 K characterized by an average variation of enthalpy and entropy Delta H-av = 8.27 kJ mol(-1), Delta S-av = 37.5 J K-1 mol(-1), obtained from calorimetric DSC measurements. Photomagnetic measurements of 2 at 10 K show an almost complete light-induced spin state trapping (LIESST) effect which denotes occurrence of antiferromagnetic coupling between the excited high-spin species and T-LIESST = 52 K. The crystal structure of 2 has been investigated in detail at various temperatures and discussed. | es_ES |
dc.description.sponsorship | The research reported here was supported by the Spanish Ministerio de Economia y Competitividad (MINECO) and FEDER funds (CTQ2013-46275-P) and Generalitat Valenciana (PROMETEO/2012/049). L.P.-L. thanks the Generalitat Valenciana and the Universidad de Valencia for a predoctoral fellowship. M.S. thanks the EU for a Marie Curie fellowship (IIF-253254). | en_EN |
dc.language | Inglés | es_ES |
dc.publisher | American Chemical Society | es_ES |
dc.relation.ispartof | Inorganic Chemistry | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | PHASE-TRANSITIONS | es_ES |
dc.subject | SINGLE MOLECULES | es_ES |
dc.subject | STATE | es_ES |
dc.subject | COMPOUND | es_ES |
dc.subject | MOSSBAUER | es_ES |
dc.subject | PRESSURE | es_ES |
dc.subject | CRYSTAL | es_ES |
dc.subject | DEVICES | es_ES |
dc.subject | SYSTEMS | es_ES |
dc.subject | SYNERGY | es_ES |
dc.subject.classification | FISICA APLICADA | es_ES |
dc.title | Homoleptic Iron(II) Complexes with the Ionogenic Ligand 6,6-Bis(1H-tetrazol-5-yl)-2,2'-bipyridine: Spin Crossover Behavior in a Singular 2D Spin Crossover Coordination Polymer | es_ES |
dc.type | Artículo | es_ES |
dc.embargo.lift | 10000-01-01 | |
dc.embargo.terms | forever | es_ES |
dc.identifier.doi | 10.1021/acs.inorgchem.5b01001 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//CTQ2013-46275-P/ES/SENSORES Y MEMORIAS BASADOS EN MATERIALES BIESTABLES CON TRANSICION DE ESPIN/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/FP7/253254/EU/Tailoring crossover properties by electric field in nano-structural and liquid crystalline molecular based magnetic materials/ELECTROSCO/ | |
dc.relation.projectID | info:eu-repo/grantAgreement/GVA//PROMETEO%2F2012%2F049/ | es_ES |
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 | Seredyuk, M.; Piñeiro López, L.; Muñoz Roca, MDC.; Martínez Casado, FJ.; Molnár, G.; Rodriguez Velamazan, JA.; Bousseksou, A.... (2015). Homoleptic Iron(II) Complexes with the Ionogenic Ligand 6,6-Bis(1H-tetrazol-5-yl)-2,2'-bipyridine: Spin Crossover Behavior in a Singular 2D Spin Crossover Coordination Polymer. Inorganic Chemistry. 54(15):7424-7432. https://doi.org/10.1021/acs.inorgchem.5b01001 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1021/acs.inorgchem.5b01001 | es_ES |
dc.description.upvformatpinicio | 7424 | es_ES |
dc.description.upvformatpfin | 7432 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 54 | es_ES |
dc.description.issue | 15 | es_ES |
dc.relation.senia | 293088 | es_ES |
dc.identifier.eissn | 1520-510X | |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |
dc.contributor.funder | Generalitat Valenciana | es_ES |
dc.contributor.funder | Universitat de València | es_ES |
dc.contributor.funder | European Commission |