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四（2,2'-联吡啶）-1κ(4)N,N';4κ(4)N,N'-{μ4-N,N'-双[3-(2-氧化乙氨基)丙基]草酰胺基(4-)-1:2:3:4κO:κ(3)N,N',O':κ(3)O'',N'',N''':κO'''}四铜(II) 四高氯酸盐

Tetrakis(2,2'-bipyridine)-1kappa(4)N,N';4kappa(4)N,N'-{mu4-N,N'-bis[3-(2-oxidoethylamino)propyl]oxamidato(4-)-1:2:3:4kappaO:kappa(3)N,N',O':kappa(3)O'',N'',N''':kappaO'''}tetracopper(II) tetrakis(perchlorate).

作者信息

Li Yan-Tuan, Li Xiao -Wen, Wu Zhi-Yong, Zhang Xiao-Wei, Yan Cui-Wei

机构信息

Marine Drug and Food Institute, Ocean University of China, 266003 Qingdao, People's Republic of China.

出版信息

Acta Crystallogr C. 2010 Aug;66(Pt 8):m211-4. doi: 10.1107/S0108270110026089. Epub 2010 Jul 8.

DOI:10.1107/S0108270110026089
PMID:20679707
Abstract

The title complex, Cu(4)(C(12)H(22)N(4)O(4))(C(10)H(8)N(2))(4)(4), has a novel tetranuclear copper(II) cation with the oxamidate and ethanolate groups of a trans tetraanion of N,N'-bis[3-(hydroxyethylamino)propyl]oxamide (H(4)heap) as bridges. The Cu...Cu separation through the oxamide group is 5.1592 (15) A, while those through the two ethanolate bridges are 3.3845 (13) and 3.3392 (13) A. The two central copper(II) ions are in square-planar N(2)O(2) environments, while the two terminal copper(II) ions have distorted N(4)O square-pyramidal geometries. The heap(4-) ligand, with an iminoalcohol form, has both an oxamide and two ethanolate bridges. Two of the four perchlorate anions are disordered and have long contacts with the square-planar Cu(II) ions. The three-dimensional structure features arene-perchlorate C-H...O hydrogen bonds and pi-pi stacking.

摘要

标题配合物Cu(4)(C(12)H(22)N(4)O(4))(C(10)H(8)N(2))(4)(4)具有一种新颖的四核铜(II)阳离子，其中N,N'-双[3-(羟乙基氨基)丙基]草酰胺(H(4)heap)反式四阴离子的草酰胺基和乙醇酸酯基作为桥连基团。通过草酰胺基团的Cu...Cu间距为5.1592(15) Å，而通过两个乙醇酸酯桥连的间距分别为3.3845(13) Å和3.3392(13) Å。两个中心铜(II)离子处于平面正方形N(2)O(2)环境中，而两个末端铜(II)离子具有扭曲的N(4)O正方锥几何构型。呈亚氨基醇形式的heap(4-)配体既有草酰胺桥又有两个乙醇酸酯桥。四个高氯酸根阴离子中的两个无序，且与平面正方形Cu(II)离子有长程接触。三维结构具有芳烃-高氯酸根C-H...O氢键和π-π堆积作用。

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