An Asymmetrical Salamo-Type Chelating Ligand with Its Cobalt(II) Complex:Syntheses, Characterizations and Crystal Structures

IF 0.8 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

无机化学学报 Pub Date : 2014-01-01 DOI:10.11862/CJIC.2014.263

Xiang Li, W. Dong, Meng-Meng Zhao, Chengfeng Yang, Xiu-Yan Dong, Gang Li

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引用次数: 2

Abstract

A salamo-type chelating ligand 4-chloro-6′-methoxy-2,2′-[ethylenediyldioxybis(nitrilomethylidyne)]diphenol(H2L) and its complex [Co(L)(H2O)], have been synthesized and characterized by elemental analyses, IR spectra, UV-Vis spectra and X-ray single crystal diffraction method. The ligand crystallizes in the monoclinic system,space group P21/n with cell parameters: a=1.555 54(17) nm, b=0.470 55(5) nm, c=2.423 3(2) nm, β=106.108(2)°,Z=4, V=1.704 1(3) nm3, R1=0.055 3, wR2=0.063 3, and the Co髤 complex crystallizes in the orthorhombic system, space group Iba2 with cell parameters: a=1.934 27(14) nm, b=2.497 20(19) nm, c=0.752 96(5) nm, Z=8,V=3.637 0(5) nm3, R1=0.045 4, wR2=0.083 9, the Co髤 complex is mono-nuclear structure. The five-coordinated Co髤 atom of the complex lies in the N2O2 coordination sphere of one bis-oxime ligand, and the Co髤 atom of the complex has a slightly distorted trigonal bipyramid geometry, while the molecules also assemble to a 1D infinite chain-like supramolecular structure by intermolecular C8-H8…Cl1 hydrogen bond. CCDC: 940101,H2L; 940100,Co髤 complex.

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不对称萨拉莫型配体及其钴(II)配合物:合成、表征和晶体结构

合成了一种salamo型螯合配体- 4-氯-6′-甲氧基-2,2′-[乙二基二氧双(硝基甲酰基)]双酚(H2L)及其配合物[Co(L)(H2O)]，并用元素分析、红外光谱、紫外-可见光谱和x射线单晶衍射方法对其进行了表征。配体在单斜晶系中结晶，空间群P21/n的晶胞参数为:a=1.555 54(17) nm, b=0.470 55(5) nm, c=2.423 3(2) nm， β=106.108(2)°，Z=4, V=1.704 1(3) nm3, R1=0.055 3, wR2=0.063 3, Co髤配合物在正交晶系中结晶，空间群Iba2的晶胞参数为:a=1.934 27(14) nm, b=2.497 20(19) nm, c=0.752 96(5) nm, Z=8,V=3.637 0(5) nm3, R1=0.045 4, wR2=0.083 9, Co髤配合物为单核结构。配合物的五配位Co髤原子位于一个双肟配体的N2O2配位球内，配合物的Co髤原子具有轻微扭曲的三角双棱锥几何形状，同时分子间通过C8-H8…Cl1氢键组装成一维无限链状超分子结构。H2L CCDC: 940101;940100,Co髤complex。

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来源期刊

无机化学学报化学-无机化学与核化学

CiteScore

1.40

自引率

42.90%

发文量

8709

审稿时长

2.2 months

期刊介绍： “Chinese Journal of Inorganic Chemistry” publishes fundamental studies in all phases of inorganic chemistry, including solid-state chemistry, coordination chemistry, inorganic materials chemistry, bioinorganic chemistry, organometallic chemistry, theoretical inorganic chemistry, supermolecule chemistry, applied inorganic chemistry and related field of catalysis. Emphasis is on the synthesis, thermodynamics, kinetics, spectroscopy, structure and bonding properties of new and known compounds. In addition to full-length research articles, “Chinese Journal of Inorganic Chemistry” also publishes notes, letters, and reviews. “Chinese Journal of Inorganic Chemistry” accepts manuscript written in simplified Chinese or English.