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Photoinduced Mo-CN Bond Breakage in Octacyanomolybdate Leading to Spin Triplet Trapping

  • Datos identificativos

    Identificador: imarina:6051412
    Handle: http://hdl.handle.net/20.500.11797/imarina6051412
  • Autores:

    Qi, Xinghui
    Pillet, Sebastien
    de Graaf, Coen
    Magott, Michal
    Bendeif, El-Eulmi
    Guionneau, Philippe
    Rouzieres, Mathieu
    Marvaud, Valerie
    Stefanczyk, Olaf
    Pinkowicz, Dawid
    Mathoniere, Corine
  • Otros:

    Autor según el artículo: Qi, Xinghui; Pillet, Sebastien; de Graaf, Coen; Magott, Michal; Bendeif, El-Eulmi; Guionneau, Philippe; Rouzieres, Mathieu; Marvaud, Valerie; Stefanczyk, Olaf; Pinkowicz, Dawid; Mathoniere, Corine;
    Departamento: Química Física i Inorgànica
    Autor/es de la URV: De Graaf, Cornelis
    Palabras clave: X-ray diffraction Transition Temperature State Photomagnetism Photochemistry Molybdenum Magnetization Magnetic properties Ligand-field photolysis Hydrazine Cyanides Coordination Complexes x-ray diffraction molybdenum magnetic properties cyanides
    Resumen: The photoinduced properties of the octacoordinated complex K4MoIV(CN)(0) center dot 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)[Mo-IV(CN)(7)] center dot 3 CH3CN using a photochemical pathway, confirming that photodissociation leads to a stable heptacyanomolybdate(IV) species in solution.
    Áreas temáticas: Química Medicina ii Medicina i Materiais Interdisciplinar General medicine General chemistry Farmacia Engenharias ii Ciências biológicas iii Ciências biológicas ii Ciências biológicas i Chemistry, multidisciplinary Chemistry (miscellaneous) Chemistry (all) Chemistry Catalysis Astronomia / física
    Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 14337851
    Direcció de correo del autor: coen.degraaf@urv.cat
    Identificador del autor: 0000-0001-8114-6658
    Fecha de alta del registro: 2023-02-22
    Versión del articulo depositado: info:eu-repo/semantics/acceptedVersion
    Enlace a la fuente original: https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201914527
    URL Documento de licencia: http://repositori.urv.cat/ca/proteccio-de-dades/
    Referencia al articulo segun fuente origial: Angewandte Chemie (International Ed. Print). 59 (8): 3117-3121
    Referencia de l'ítem segons les normes APA: Qi, Xinghui; Pillet, Sebastien; de Graaf, Coen; Magott, Michal; Bendeif, El-Eulmi; Guionneau, Philippe; Rouzieres, Mathieu; Marvaud, Valerie; Stefancz (2020). Photoinduced Mo-CN Bond Breakage in Octacyanomolybdate Leading to Spin Triplet Trapping. Angewandte Chemie (International Ed. Print), 59(8), 3117-3121. DOI: 10.1002/anie.201914527
    DOI del artículo: 10.1002/anie.201914527
    Entidad: Universitat Rovira i Virgili
    Año de publicación de la revista: 2020
    Tipo de publicación: Journal Publications
  • Palabras clave:

    Catalysis,Chemistry,Chemistry (Miscellaneous),Chemistry, Multidisciplinary
    X-ray diffraction
    Transition
    Temperature
    State
    Photomagnetism
    Photochemistry
    Molybdenum
    Magnetization
    Magnetic properties
    Ligand-field photolysis
    Hydrazine
    Cyanides
    Coordination
    Complexes
    x-ray diffraction
    molybdenum
    magnetic properties
    cyanides
    Química
    Medicina ii
    Medicina i
    Materiais
    Interdisciplinar
    General medicine
    General chemistry
    Farmacia
    Engenharias ii
    Ciências biológicas iii
    Ciências biológicas ii
    Ciências biológicas i
    Chemistry, multidisciplinary
    Chemistry (miscellaneous)
    Chemistry (all)
    Chemistry
    Catalysis
    Astronomia / física
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