Abstract
Magnetometry studies on octahedral trans-[Co{(OPPh2)(EPPh2)N}2(dmf)2], E = S, Se, complexes.
Highlights
Ever since their discovery in the early 1990s,1,2 single-molecule magnets (SMMs) have attracted great interest,[3] due to their potential applications in high-density data storage, molecular spintronics and quantum computation devices,[4] as well as their interesting magnetothermal properties.[5]
Both compounds crystallize in the P1 space group and possess a center of symmetry, occupied by a Co(II) ion
To the best of our knowledge, this is the first report of intact octahedral Co(II) complexes bearing dichalcogenidoimidodiphosphinato ligands
Summary
Ever since their discovery in the early 1990s,1,2 single-molecule magnets (SMMs) have attracted great interest,[3] due to their potential applications in high-density data storage, molecular spintronics and quantum computation devices,[4] as well as their interesting magnetothermal properties.[5]. The multinuclear [Mn12O12(CH3CO2)16(H2O)4] complex is the first molecular compound shown to exhibit an activation barrier (Ueff ) for the relaxation of its magnetization.[1,2,6] Following this observation, numerous multinuclear complexes, involving 3d metal ions, have been explored.[7,8] The magnitude of Ueff in a SMM is controlled by the total spin, S, of the ground state, and the magnetic anisotropy of the system, expressed via the axial D zerofield splitting (zfs) component. The desired characteristics of SMMs are a large ground spin state S and a large magnetic anisotropy, D. The principles of synthetic coordination chemistry, concerning the interplay between the metal ion and the ligands employed, can be Research Article
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