Synthesis and Characterization of Mixed Schiff Base- Salicylic Acid Metal Complexes

Authors

  • Mercy Bamigboye Department of Industrial Chemistry, Faculty of Physical Sciences, University of Ilorin, Ilorin, P.M.B. 1515, Nigeria
  • Osunniran Wahab Kwara State University, Department of Chemistry and Industrial Chemistry, Malete, P.M.B 1530, Ilorin, Nigeria
  • Shosanya Deborah Department of Industrial Chemistry, Faculty of Physical Sciences, University of Ilorin, Ilorin, P.M.B. 1515, Nigeria
  • Ejidike Ikechukwu Department of Chemical Science, Faculty of Science and Science Education, Anchor University, Lagos 100212, Nigeria
  • Ayuba Mustapha Department of Industrial Chemistry, Faculty of Physical Sciences, University of Ilorin, Ilorin, P.M.B. 1515, Nigeria

DOI:

https://doi.org/10.37134/ejsmt.vol11.2.1.2024

Keywords:

Spectroscopy, Tetrahedral, Hypsochromic shift, Crystalline, Schiff base

Abstract

Four-metal (II) complexes of a new Schiff base [M(NaNp)(Sal)Cl2] where M=Mn (II), Ni (II), Cu (II), and Fe (II) were synthesized. The Schiff base and its complexes have been synthesized. They have been characterized by Fourier-transform infrared spectroscopy, Ultraviolet spectroscopy, Powder X-ray diffraction, and Scanning electron microscopy. The Fourier-transform infrared spectra of the Schiff base and its metal complexes were compared to determine the functional groups involved in the bonding. Results from FTIR spectra indicated that the Schiff bases are tetrahedral in geometry except for the Fe complex, which was revealed to be Octahedral. These complexes were also found to coordinate through the nitrogen of the azomethine group, oxygen of the hydroxyl group, and carbonyl – O atom. Based on the Ultraviolet spectroscopy data, it was confirmed that the complexes had all undergone a hypsochromic shift. The Powder X-ray diffraction study revealed that the complexes exhibited crystalline peaks which confirmed that they are crystalline. The Scanning electron microscopy of the complexes showed that they are agglomerated with a controlled morphological structure.

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Published

2024-08-13

How to Cite

Bamigboye, M., Wahab, O., Deborah, S., Ikechukwu, E., & Mustapha, A. (2024). Synthesis and Characterization of Mixed Schiff Base- Salicylic Acid Metal Complexes. EDUCATUM Journal of Science, Mathematics and Technology, 11(2), 1–7. https://doi.org/10.37134/ejsmt.vol11.2.1.2024