A1 Journal article (refereed)
Synthesis of isomorphous cobalt and nickel thiocyanate coordination compounds : effect of metals on compound properties (2019)
Hannachi, A., Valkonen, A., Gómez García, C. J., Rzaigui, M., & Smirani, W. (2019). Synthesis of isomorphous cobalt and nickel thiocyanate coordination compounds : effect of metals on compound properties. Polyhedron, 173, Article 114122. https://doi.org/10.1016/j.poly.2019.114122
JYU authors or editors
Publication details
All authors or editors: Hannachi, Anissa; Valkonen, Arto; Gómez García, Carlos J.; Rzaigui, Mohamed; Smirani, Wajda
Journal or series: Polyhedron
ISSN: 0277-5387
eISSN: 1873-3719
Publication year: 2019
Volume: 173
Article number: 114122
Publisher: Elsevier
Publication country: United Kingdom
Publication language: English
DOI: https://doi.org/10.1016/j.poly.2019.114122
Publication open access: Not open
Publication channel open access:
Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/65617
Abstract
The reaction of 2-methylpiperazine with the thiocyanate ligand and two transition metals leads to the production of two new isomorphous [ML2SCN4] where L is the 2-methylpiperazine and [M =Co (1), and Ni (2)], presenting an octahedral configuration. These compounds were characterized by single crystal X-ray crystallography, TG-DTA analysis, as well as infrared and UV-Vis spectroscopy and TG-DTA. The magnetic and antibacterial properties were also determined. Through the link with N-H···S hydrogen bonds, a global 3D network was established. The studied compounds show the metal center’s impact leading to different properties. Indeed, the first compound shows high spin orbit coupling, whereas the second one shows a weak antiferromagnetic interaction. The antibacterial activity is enhanced for the cobalt compound compared with the nickel compound and the DTA/TG curves show a phase transition for the nickel compound.
Keywords: coordination complexes; cobalt; nickel; antimicrobial compounds; magnetic properties
Free keywords: nickel coordination compound; cobalt coordination compound; isomorphous structure; antibacterial activities; magnetic properties
Contributing organizations
Ministry reporting: Yes
VIRTA submission year: 2019
JUFO rating: 1
