Peer-Reviewed Publication

Spectrochim Acta A Mol Biomol Spectrosc2026;360128062.November 5, 2026Journal Article

Experimental and theoretical investigation of photoinduced electronic transitions and charge-transfer properties in a novel azo compound: (E)-1-((3-Methoxyphenyl)diazenyl)naphthalen-2-ol.

Nour El Houda Belkafouf¹, Souheyla Chetioui², Rachida Rahmani³, Omar Al-Dossary⁴, Merzouk Saidj¹, Naima Boubegra¹, Abdelkader Chouaih¹, Leda G Bousiakou⁵, Noureddine Issaoui⁶

¹Laboratory of Technology and Solid Properties (LTPS), Faculty of Sciences and Technology, Abdelhamid Ibn Badis University of Mostaganem, 27000 Mostaganem, Algeria.

²VEHDD Laboratory, University of M'sila, 28000 M'sila, Algeria; Research Unit for Chemistry of the Environment and Molecular Structural. University of Constantine 1, 25000 Constantine, Algeria.

³Department of Chemistry, Faculty of Exact Sciences and Informatics, Abdelhamid Ibn Badis University of Mostaganem, Mostaganem, Algeria.

⁴Department of Physics and Astronomy, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia.

⁵IMD Laboratories Co, R&D Section, Lefkippos Technology Park, NCSR Demokritos PO Box 60037, 15130 Athens, Greece.

⁶University of Monastir, Laboratory of Quantum and Statistical Physics, Monastir 5079, Tunisia; University of Monastir, Higher Institute of Computer Sciences and Mathematics of Monastir, Monastir 5000, Tunisia. Electronic address: issaoui_noureddine@yahoo.fr.

PubMed DOI

Abstract

A novel meta-substituted azo compound, (E)-1-((3-methoxyphenyl)diazenyl)naphthalen-2-ol (m-AZO), was synthesized via diazotization-coupling reaction in 90% yield. The molecular structure was unambiguously determined by single-crystal X-ray diffraction, revealing a monoclinic crystal system (space group P21/c) with the azo group in a trans configuration. Experimental characterization was carried ou…

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