An asymmetrical dinuclear copper(II) beta-amino-oxime/oximato-diamine compound with Cu-(OH)-Cu and Cu-(N-O)-Cu bridging; [Cu-2(detenoxH)(detenox)(OH)](ClO4)(2) (detenoxH=4,4-dimethyl-7-(N,N-diethylamine)-5-azaheptan-2-one oxime)

作者：Curtis Neil F^*; Flood Kelly; Robinson Ward T

来源：Inorganica Chimica Acta, 2015, 424: 173-175.

DOI：10.1016/j.ica.2014.07.019

• Copper
• Dinuclear
• Oxime
• Oximato
• Crystal structure

The dark blue compound [Cu-2(detenoxH)(detenox)(OH)](ClO4)(2) (detenoxH = 4,4-dimethyl-7-(N,N-diethylamine)-5-azaheptan-2-one oxime), [Cu-2(C12H27N3O)(C12H26N3O)(OH)](ClO4)(2), is formed by reaction of (N,N-diethyl-ethane-1,2-diamine)copper(II) perchlorate, 4-methylpent-3-ene-2-one oxime and base. The asymmetrical dinuclear cation has ion Cu1 in asymmetrical square pyramidal coordination by the oxime nitrogen atom (Cu1-N-oxime = 2.041(3) angstrom) and the secondary amine nitrogen atom (Cu1-N-secondary = 1.995(3) angstrom) of a detenoxH ligand, the bridging oximato oxygen atom of the detenox ligand bonded to Cu-2 (Cu1-O-oximato = 1.928(2) angstrom) and the bridging OH ion (Cu1-O-OH = 1.928(3) angstrom) with rms displacements from the N2O2 plane +/- 0.246(1) with Cu1 in the plane). The tertiary amine nitrogen atom of the detenoxH ligand is weakly coordinated axially (Cu1-N-tertiary = 2.328(3) angstrom). Ion Cu-2 is in tetrahedrally twisted square-planar coordination by a detenox ligand, with Cu-2-N-oxime = 1.992(3), Cu-2-N-secondary = 1.979(3), Cu-2-N-tertiary = 2.053(3), and by the bridging hydroxide ion (Cu2O = 1.878(3) angstrom), with rms displacements from the N3O best plane +/- 0.178(2) angstrom, with Cu-2 in the plane). The dinuclear cation has Cu1-O = N-Cu2 bridging by the oximato group of detenox and Cu1-(OH)-Cu2 bridging by a hydroxide ion, with Cu center dot center dot center dot Cu = 3.3136(6) angstrom. The components of the dinuclear cation are further linked by a hydrogen bond between the oxime OH and oximato O groups. The effective magnetic moment of 2.21 B.M. indicates that there is no significant spin coupling.

• 出版日期2015-1-1