Alkyl-Substitution Effect of the Diamine on Coordination Geometry and Ligand-Field Strength of Nickel(II) Mixed-Ligand Complexes Containing<i>N</i>-Alkylethylenediamine, Acetylacetonate, and Nitrate Ligands
作者:Hitoshi Shirase、Mariko Saito、Machiko Arakawa-Itoh、Yutaka Fukuda
DOI:10.1246/bcsj.82.230
日期:2009.2.15
Structures and spectral properties have been investigated for nickel(II) mixed-ligand complexes, [Ni(Me 4 en)(acac)(NO 3 )] (1), [Ni(EtMe3en)(acac)(NO 3 )] (2), [Ni(asym-Et 2 Me 2 en)(acac)(NO 3 )] (3), [Ni(Et3Meen)(acac)(N03)] (4), and [Ni(Et 4 en)(acac)(NO 3 )] (5) (Me 4 en = N,N,N',N'-tetramethylethylenediamine, EtMe 3 en = N-ethyl-N,N',N'-trimethyl-ethylenediamine, asym-Et 2 Me 2 en = N,N-diethyl-N'
已经研究了镍 (II) 混合配体配合物的结构和光谱特性,[Ni(Me 4 en)(acac)(NO 3 )] (1), [Ni(EtMe3en)(acac)(NO 3 )] ( 2), [Ni(asym-Et 2 Me 2 en)(acac)(NO 3 )] (3), [Ni(Et3Meen)(acac)(N03)] (4), 和 [Ni(Et 4 en) (acac)(NO 3 )] (5) (Me 4 en = N,N,N',N'-四甲基乙二胺,EtMe 3 en = N-乙基-N,N',N'-三甲基-乙二胺,不对称Et 2 Me 2 en = N,N-二乙基-N',N'-二甲基乙二胺,Et 3 Meen = N,N,N'-三乙基-N'-甲基-乙二胺,Et 4 en = N,N,N' ,N'-四乙基乙二胺,acac = 乙酰丙酮化物)。已经确定了配合物 2 和 3 的晶体结构。这些配合物具有