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November 18, 2025Scientific ReportsOpen Access

Exploring a novel copper(II) semicarbazone–pyranoquinoline complex: synthesis, spectroscopic profiling, and DFT insights

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Authors

AEA. A. El-SaadyMIMagdy A. IbrahimMNM. M. El Nahass

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Overview

Novel copper(II) semicarbazone complex synthesis shows unique spectral properties, indicating rich chemical behavior.

Key Points

  • This research aims to synthesize and characterize a novel copper(II) semicarbazone complex to explore its properties.
  • Synthesis of Cu(II) complex using PQMHC ligand and copper sulfate in a 1:1 molar ratio.
  • Characterization through elemental analysis, mass spectra, and various spectroscopic techniques.
  • Kinetic evaluation of thermal decomposition using Coats–Redfern equations.
  • DFT calculations performed at B3LYP/6-311G(d,P) for the ligand and B3LYP/GENECP for the complex.
  • The ligand acts as a tridentate donor, forming a square planar geometry with copper.
  • Characterization confirmed unique thermal and electronic properties correlated with DFT results.
  • The non-planar optimized geometry and HOMO–LUMO energy levels were detailed.

Cite This Study

El-Saady et al. (2025) studied this question.

synapsesocial.com/papers/6924fef4c0ce034ddc351bd7https://doi.org/10.1038/s41598-025-26205-8
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