Coordination complexes of copper(II) with herbicide-trichlorophenoxyacetate: Syntheses, characterization, single crystal X-ray structure and packing analyses of monomeric [Cu(γ-pic)3(2,4,5-trichlorophenoxyacetate)]·H2O, [trans-Cu(en)2(2,4,5-trichlorophenoxyacetate)2]·2H2O and dimeric [Cu2(H2tea)2(2,4,5-trichlorophenoxyacetate)2]·2(H2O)
作者:Raj Pal Sharma、Anju Saini、Jitendra Kumar、Santosh Kumar、Paloth Venugopalan、Valeria Ferretti
DOI:10.1016/j.ica.2016.12.008
日期:2017.3
Abstract Three novel coordination complexes of copper(II) with 2,4,5-trichlorophenoxyacetate [Cu (γ-pic ) 3 (L) 2 ]·H 2 O 1 , [ trans -Cu( en ) 2 (L) 2 ]·2H 2 O 2 and [Cu 2 (H 2 tea ) 2 (L) 2 ]·2H 2 O 3 , where L = 2,4,5-trichlorophenoxyacetate, γ -pic = γ -picoline, en = ethylenediamine, H 2 tea = monodeprotonated triethanolamine, were synthesized by addition of γ -picoline/ethylenediamine/triethanolamine
摘要三种新颖的铜(II)与2,4,5-三氯苯氧基乙酸[[Cu(γ-pic)3(L)2]·H 2 O 1,[反式-Cu(en)2(L)2)的配位化合物·2H 2 O 2和[Cu 2(H 2茶)2(L)2]·2H 2 O 3,其中L = 2,4,5-三氯苯氧基乙酸酯,γ-pic =γ-甲基吡啶,en =乙二胺,H通过向悬浮在甲醇-水(4:1,v / v)中的水合Cu(2,4,5-三氯苯氧基乙酸酯)2中分别添加γ-甲基吡啶/乙二胺/三乙醇胺,合成2茶=单去质子化的三乙醇胺。新合成的复合物已通过元素分析,光谱技术(UV-Vis和FT-IR),磁矩测定,摩尔电导研究,TGA和单晶X射线衍射法进行了表征。结构确定揭示了这三种情况下复合物的中性性质,根据N-或N,O-给体配体的性质,在铜(II)金属中心周围具有不同的配位几何形状。氢键网络,即配合物1、3和N–H⋯O中的O–H⋯O和C–H⋯O,以及配合物