Synthesis and crystal structure of a mixed-ligand zinc(II) complex derived from ethyl (2,6-dimethylphenylcarbamoyl) formate and 1,10-phenanthroline

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Bulletin of the Chemical Society of Ethiopia Pub Date : 2023-05-12 DOI:10.4314/bcse.v37i4.7

Tatenda Madanhire, B. van Brecht, A. Abrahams

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Abstract

ABSTRACT. A mixed-ligand zinc(II) complex, [Zn(Hpma)(phen)Cl] (where Hpma– = N-(2,6-dimethylphenyl)oxamate and phen = 1,10-phenanthroline), has been prepared by the reaction of zinc chloride, ethyl (2,6-dimethylphenylcarbamoyl)formate (Hdmp) and 1,10-phenanthroline under basic conditions in dimethylformamide. The structure of the complex was characterised by elemental analysis, IR, 1H-NMR, UV-Vis absorption and X-ray crystallography. The metal complex crystallises in the monoclinic system (space group P21/c) and is composed of the five-coordinate zinc ion in a distorted spherical square pyramidal geometry. Stabilisation of single crystals occurs through hydrogen bonds and π-π stacking interactions. KEY WORDS: Zinc(II), N-(2,6-Dimethylphenyl)oxamate, 1,10-Phenanthroline, Crystal structure, Hydrogen bonding, π-π Stacking, Mixed-ligand Bull. Chem. Soc. Ethiop. 2023, 37(4), 891-900. DOI: https://dx.doi.org/10.4314/bcse.v37i4.7

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甲酸乙酯(2,6-二甲基苯基氨基甲酰)和1,10-菲罗啉混合配体锌(II)配合物的合成和晶体结构

摘要。以氯化锌、（2，6-二甲基苯基氨基甲酰基）甲酸乙酯（Hdmp）和1，10-菲罗啉为原料，在碱性条件下，在二甲基甲酰胺中反应，制备了混合配体锌（II）配合物[Zn（Hpma）（phen）Cl]（其中Hpma–=N-（2，6-二甲基苯基）草酸盐，phen=1，10-菲罗啉）。通过元素分析、IR、1H-NMR、UV-Vis吸收和X射线晶体学对配合物的结构进行了表征。金属配合物在单斜晶系（空间群P21/c）中结晶，并由扭曲的球形正方形棱锥几何形状的五配位锌离子组成。单晶的稳定是通过氢键和π-π堆积相互作用实现的。关键词：锌（II），N-（2,6-二甲基苯基）草酸盐，1,10-菲罗啉，晶体结构，氢键，π-π堆积，混合配体Bull。化学。Soc.Ethiop。2023,37（4），891-900.DOI:https://dx.doi.org/10.4314/bcse.v37i4.7

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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.