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DC Field | Value | Language |
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dc.contributor.author | García-López, Victor | - |
dc.contributor.author | Palacios-Corella, Mario | - |
dc.contributor.author | Gironés-Pérez, Verónica | - |
dc.contributor.author | Bartual-Murgui, Carlos | - |
dc.contributor.author | Real, José Antonio | - |
dc.contributor.author | Pellegrin, Eric | - |
dc.contributor.author | Herrero-Martin, Javier | - |
dc.contributor.author | Aromí Bedmar, Guillem | - |
dc.contributor.author | Clemente-Leon, Miguel | - |
dc.contributor.author | Coronado, Eugenio | - |
dc.date.accessioned | 2020-03-27T06:53:18Z | - |
dc.date.available | 2020-09-30T05:10:23Z | - |
dc.date.issued | 2019-09-30 | - |
dc.identifier.issn | 0020-1669 | - |
dc.identifier.uri | http://hdl.handle.net/2445/154177 | - |
dc.description.abstract | Two new heteroleptic complexes [Fe(1bppCOOH)(3bpp-bph)](ClO4)2·solv (1·solv, solv = various solvents; 1bppCOOH = 2,6-bis(1H-pyrazol-1-yl)isonicotinic acid; 3bpp-bph = 2,6-bis(5-([1,1′-biphenyl]-4-yl)-1H-pyrazol-3-yl)pyridine) and [Fe(1bppCOOH)(1bppCOOEt)](ClO4)2·0.5Me2CO (2·0.5Me2CO, 1bppCOOEt = ethyl 2,6-bis(1H-pyrazol-1-yl)isonicotinate) were designed and prepared. The heteroleptic compound 1·solv was obtained by the combination of stoichiometric amounts of Fe(ClO4)2, 1bppCOOH, and 3bpp-bph, and it was designed to fine-tune the spin crossover (SCO) properties with respect to the previously reported homoleptic compound [Fe(1bppCOOH)2](ClO4)2. Indeed, the introduction of a new substituted 3bpp ligand induces a weaker ligand field in addition to promoting the formation of π···π and C-H···π intermolecular interactions through the biphenyl groups. For the desolvated counterpart 1, this results in a shift of the SCO curve toward room temperature and the observation of a 13 K hysteresis width. Besides, compound 2·0.5Me2CO, which represents the first example of a heteroleptic complex containing two 1bpp tridentate ligands, stabilizes the LS state at room temperature confirming the same trend observed for the corresponding homoleptic compounds. Interestingly, both 1 and 2·0.5Me2CO heteroleptic complexes exhibit photoswitchable properties when irradiating with a 523 nm laser at 10 K. Preliminary characterization of the deposited complexes on native SiO2 by X-ray absorption measurements suggests oxidation and decomposition of the complexes. | - |
dc.format.extent | 10 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Chemical Society | - |
dc.relation.isformatof | Versió postprint del document publicat a: https://doi.org/10.1021/acs.inorgchem.9b01526 | - |
dc.relation.ispartof | Inorganic Chemistry, 2019, vol. 58, num. 18, p. 12199-12208 | - |
dc.relation.uri | https://doi.org/10.1021/acs.inorgchem.9b01526 | - |
dc.rights | (c) American Chemical Society , 2019 | - |
dc.source | Articles publicats en revistes (Química Inorgànica i Orgànica) | - |
dc.subject.classification | Cetones | - |
dc.subject.classification | Lligands | - |
dc.subject.other | Ketones | - |
dc.subject.other | Ligands | - |
dc.title | Heteroleptic iron(II) spin-crossover complexes based on a 2,6-Bis(pyrazol-1-yl)pyridine-type ligand functionalized with a carboxylic acid | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/acceptedVersion | - |
dc.identifier.idgrec | 693753 | - |
dc.date.updated | 2020-03-27T06:53:19Z | - |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/788222/EU//Mol-2D | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Química Inorgànica i Orgànica) |
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693753.pdf | 433.96 kB | Adobe PDF | View/Open |
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