期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 15, 期 45, 页码 12389-12398出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200901865
关键词
cluster compounds; magnetic properties; nickel; single-molecule magnets; tripodal ligands
资金
- Multi-frequency cw EPR Service (Manchester)
- Leverhulme Trust (UK)
- Engineering and Physical Sciences Research Council [GR/S49575/01, GR/T20762/01, GR/T28652/01] Funding Source: researchfish
A family of planar disc-like hexa-, octa- and decametallic Ni-II complexes exhibit dominant ferromagnetic exchange. The deca- and octametallic clusters [Ni-10(II)(tmp)(2)(N-3)(8)(acac)(6)(MeOH)(6)] (1, H(3)tmp = 1,1,1-tris(hydroxymethyl)propane; acac = acetylacetonate) and [Ni-8(II)(thme)(2)(O2CPh)(4)(CI)(6)(MeCN)(6)(H2O)(2)] (2, H(3)thme = 1,1,1-tris(hydroxymethyl)ethane) represent rare examples of Ni-II-based single-molecule magnets, and [Ni-10(II)] (1) possesses the largest barrier to magnetisation reversal of any Ni-II single-molecule magnet to date.
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