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首页> 外文期刊>Cogent Chemistry >Synthesis, characterization and antimicrobial properties of cobalt(II) and cobalt(III) complexes derived from 1,10-phenanthroline with nitrate and azide co-ligands
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Synthesis, characterization and antimicrobial properties of cobalt(II) and cobalt(III) complexes derived from 1,10-phenanthroline with nitrate and azide co-ligands

机译：1,10-菲咯啉与硝酸盐和叠氮化物共配体衍生的钴（II）和钴（III）配合物的合成，表征和抗菌性能

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摘要

Two complexes, a cobalt(II) complex [Co(phen)_(3)(NO_(3))_(2)]·2H_(2)O (1) and a novel Co(III) complex with mixed ligands [diazido-bis(1,10-phenanthroline-κ~(2)?N,N′)cobalt(III)]nitrate [Co(phen)_(2)(N_(3))_(2)]NO_(3) (2), have been synthesized and were characterized by physico-chemical and spectroscopic methods. The cobalt(III) complex (2) crystallizes in the orthorhombic crystal system with space group Iba 2 with four formula units. The central Co(III) atom is six coordinate with four N atoms of two 1,10-phenanthroline (1,10-phen) molecules and two terminal N atoms from two azide anions giving a distorted octahedral geometry with a CoN_(6) chromophore. The molecular structure of the compound is consolidated by face-to-face π –π stacking between the aromatic rings of 1,10-phen ligand. The ligands, metal salt and the complexes were also evaluated for their antimicrobial activities in vitro against eight pathogens (four bacteria and four fungi species).
机译：两种配合物，钴（II）配合物[Co（phen）_（3）（NO_（3））_（2）]·2H_（2）O（1）和具有混合配体的新型Co（III）配合物[二叠氮双（1,10-菲咯啉-κ〜（2）？N，N'）钴（III）硝酸盐[Co（phen）_（2）（N_（3））_（2）] NO_（3 ）（2），已经合成并通过理化和光谱方法表征。钴（III）配合物（2）在正交晶系的晶体中结晶，该空间群具有四个式单元的Iba 2空间群。中心的Co（III）原子与两个1,10-菲咯啉（1,10-phen）分子的四个N原子和来自两个叠氮化物阴离子的两个末端N原子组成六个配位基团，产生扭曲的八面体几何形状，并带有CoN_（6）发色团。该化合物的分子结构通过在1,10-phen配体的芳环之间面对面堆积-i-π堆积而得以巩固。还评估了配体，金属盐和配合物在体外对八种病原体（四种细菌和四种真菌种类）的抗微生物活性。

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