Synthesis, crystal structure, thermal studies and antimicrobial activity of a new chelate complex of copper(II) succinate with N,N,N′,N′-tetramethylethylenediamine

A coordination polymer, [Cu(tmen)(succ)] n ·4nH 2 O (1) (where succ 2- = succinate dianion, tmen = N,N,N′,N′-tetramethylethylenediamine), was prepared by reacting CuCl 2 ·2H 2 O, succinic acid (H 2 succin) and tmen, and was characterized by elemental analysis, UV-visible spectroscopy, FTIR spectrosc...

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Bibliographic Details
Published in:Journal of coordination chemistry 2020-06, Vol.73 (12), p.1778-1789
Main Authors: Batool, Syeda Shahzadi, Gilani, Syeda Rubina, Zainab, Syeda Sakina, Tahir, Muhammad Nawaz, Harrison, William T. A., Haider, Muhammad Salman, Syed, Quratulain, Mazhar, Sania, Shoaib, Muhammad
Format: Article
Language:English
Subjects:
Anions
Bonding strength
Chelation
Chemical bonds
Coordination compounds
coordination polymer
Coordination polymers
Copper
Copper compounds
Copper(II) carboxylates
Crystal structure
Crystallization
Crystals
E coli
Fungicides
Hydrogen bonds
Klebsiella
N,N,N′,N′-tetramethylethylenediamine
Single crystals
Spectrum analysis
succinate
Succinic acid
Water chemistry
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Summary:A coordination polymer, [Cu(tmen)(succ)] n ·4nH 2 O (1) (where succ 2- = succinate dianion, tmen = N,N,N′,N′-tetramethylethylenediamine), was prepared by reacting CuCl 2 ·2H 2 O, succinic acid (H 2 succin) and tmen, and was characterized by elemental analysis, UV-visible spectroscopy, FTIR spectroscopy, thermogravimetric (TGA) and single-crystal X-ray diffraction analyses. The copper(II) ion in 1 has a distorted cis-CuN 2 O 4 octahedral coordination environment in which the metal ion is bonded to a chelating tmen molecule and four O atoms from two bridging, asymmetrically chelating succ dianions. The bridging succ dianions link the copper(II) ions into [100] polymeric chains. In the crystal, all the H atoms of the water molecules of crystallization form O-H···O hydrogen bonds, which together with weak C-H...O hydrogen bonds results in a three-dimensional supramolecular network. The antibacterial activity of 1 was studied using the strains Bacillus spizizenii, Escherichia coli, Klebsiella pneumonia, Staphylococcus aureus, and antifungal activity was studied for Aspergillus niger. It showed significant activity against E. coli.
ISSN:0095-8972
1029-0389
DOI:10.1080/00958972.2020.1795147