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Vol. 38 No. 6 (2026): Vol. 38 Issue No 6, 2026

Copyright (c) 2026 Prashant Kumar, Anil Kumar Pal, Dharmendra Kumar Sahu

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Synthesis and Spectral Studies of Ruthenium(II) Metal Complexes with Macrocyclic Ligands: XPS Study

https://doi.org/10.14233/ajchem.2026.35774
Prashant Kumar
Inorganic Synthesis Laboratory, Department of Chemistry, C.M.P. Degree College (A Constituent P.G. College, University of Allahabad), Prayagraj-211002, India
https://orcid.org/0009-0001-4175-1623
Anil K. Pal
Inorganic Synthesis Laboratory, Department of Chemistry, C.M.P. Degree College (A Constituent P.G. College, University of Allahabad), Prayagraj-211002, India
https://orcid.org/0009-0002-9453-5411
Dharmendra K. Sahu
Inorganic Synthesis Laboratory, Department of Chemistry, C.M.P. Degree College (A Constituent P.G. College, University of Allahabad), Prayagraj-211002, India
https://orcid.org/0000-0003-2432-4694

Corresponding Author(s) : Dharmendra K. Sahu

sadharmendra3@gmail.com

Asian Journal of Chemistry, Vol. 38 No. 6 (2026): Vol. 38 Issue No 6, 2026

Abstract

In this work, bivalent ruthenium macrocyclic complexes of the general formula [RuCl2(MacL1-2)], where MacL1 and MacL2 denote macrocyclic ligands, were synthesised via a template condensation approach. The complexes [{RuCl2(MacL1)} and {RuCl2(MacL2)}] were obtained through the reaction of 1,3-diaminopropane with oxalic acid and succinic acid, respectively, in the presence of a Ru(II) precursor, maintaining a molar ratio of 2:2:1. The resulting complexes were characterised using a combination of physico-chemical and spectroscopic techniques including molar conductance measurements, elemental analysis, magnetic susceptibility and spectral studies such as UV-visible, FT-IR, 1H NMR and X-ray photoelectron spectroscopy (XPS). Based on the analytical and spectral results, an octahedral geometry was proposed for both ruthenium(II) macrocyclic complexes.

Keywords

Ru(II) complexes Macrocyclic ligands Template condensation XPS study
(1)
Kumar, P.; Pal, A. K.; Sahu, D. K. Synthesis and Spectral Studies of Ruthenium(II) Metal Complexes With Macrocyclic Ligands: XPS Study. ajc 2026, 38, 1433-1438.
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