Donor-acceptor dichotomy in novel Schiff bases: comprehensive spectroscopic and DFT investigation of intramolecular hydrogen bonding and charge-transfer properties.

RSC Adv · 2026 · PMC13085778 · PMID 42006803

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marginally significantno p-value reported

Physical interpretation of solvent effects and non-significant terms β Parameter behaviour: the generally non-significant β terms for I, III, V, and IV, and marginally significant β for II, indicate that solute → solvent hydrogen-bond donation is not a dominant factor in CT solvatochromism for most of the series.

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