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Article Dans Une Revue Journal of the American Chemical Society Année : 2012

Field-Induced Slow Magnetic Relaxation in a Six-Coordinate Mononuclear Cobalt(II) Complex with a Positive Anisotropy

Julia Vallejo
  • Fonction : Auteur
Isabel Castro
  • Fonction : Auteur
Joan Cano
Miguel Julve
  • Fonction : Auteur
  • PersonId : 898551
Giovanni de Munno
  • Fonction : Auteur

Résumé

The novel mononuclear Co(II) complex cis-[Co-II(dmphen)(2)(NCS)(2)]center dot 0.25EtOH (1) (dmphen = 2,9-dimethyl-1,10-phenanthroline) features a highly rhombically distorted octahedral environment that is responsible for the strong positive axial and rhombic magnetic anisotropy of the high-spin Co-II ion (D = +98 cm(-1) and E = +8.4 cm(-1)). Slow magnetic relaxation effects were observed for 1 in the presence of a dc magnetic field, constituting the first example of field-induced single-molecule magnet behavior in a mononuclear six-coordinate Co(II) complex with a transverse anisotropy energy barrier.
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Dates et versions

hal-00974657 , version 1 (07-04-2014)

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Citer

Julia Vallejo, Isabel Castro, Rafael Ruiz-García, Joan Cano, Miguel Julve, et al.. Field-Induced Slow Magnetic Relaxation in a Six-Coordinate Mononuclear Cobalt(II) Complex with a Positive Anisotropy. Journal of the American Chemical Society, 2012, 134 (38), pp.15704-15707. ⟨10.1021/ja3075314⟩. ⟨hal-00974657⟩

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