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the claim

Salicylaldehyde exhibits intramolecular hydrogen bonding

the verdict
SUPPORTED
the evidence backs this
Recorded sources
4 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Salicylaldehyde exhibits intramolecular hydrogen bonding?

Yes. Multiple studies on salicylaldehyde derivatives, Schiff bases, and related compounds demonstrate the presence of strong intramolecular hydrogen bonding, which dictates their photophysical properties and proton transfer behavior.

Verdict: SUPPORTED · 4 sources for, 0 against · Last checked

The analysis

The retrieved literature consistently supports the chemical fact that salicylaldehyde derivatives exhibit intramolecular hydrogen bonding (often forming O-H...N interactions that facilitate excited-state intramolecular proton transfer, or ESIPT). Papers 3, 6, 8, and 10 explicitly discuss these intramolecular hydrogen bonds in salicylaldehyde-based structures.

Evidence for · 4
Harnessing the Magic Methyl Effect: Manipulating Photoluminescence and Photochromism of Salicylaldehyde Benzoylhydrazones in the Solid State.
2026
Refers to intramolecular hydrogen bonding in salicylaldehyde derivatives and related structures.
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Z, H., M, H., N, D., JM, L., & Q, L. (2026). Harnessing the Magic Methyl Effect: Manipulating Photoluminescence and Photochromism of Salicylaldehyde Benzoylhydrazones in the Solid State.. doi.org. https://doi.org/10.1002/anie.202523608

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More for · 3
Switching between photochromism and photoluminescence in Schiff base derivatives by molecular design of end groups.
2026
Discusses the classical excited state intramolecular proton transfer (ESIPT) mechanism in salicylaldehyde-aniline Schiff bases, which relies on intramolecular hydrogen bonding.
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Q, Z., X, Z., X, S., F, H., Y, B., H, X., C, Z., & B, Z. (2026). Switching between photochromism and photoluminescence in Schiff base derivatives by molecular design of end groups.. doi.org. https://doi.org/10.1039/d6sc00735j

An ESIPT Active Salicylaldehyde Schiff Base With Crystallinity-Dependent Solid-State Photochromism and Applications in Latent Fingerprint Visualization.
2026
Notes that X-ray crystallography indicates intramolecular O-H...N hydrogen bonds endow salicylaldehyde Schiff base derivatives with favorable ESIPT behavior.
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D, L., T, J., H, W., Y, X., H, P., X, Y., & Z, Z. (2026). An ESIPT Active Salicylaldehyde Schiff Base With Crystallinity-Dependent Solid-State Photochromism and Applications in Latent Fingerprint Visualization.. doi.org. https://doi.org/10.1002/bio.70518

Expanding the chemical space of d-mannosamine imines - A combined experimental and computational analysis of anomeric and tautomeric equilibria.
2026
States that salicylsaminosaccharide-based Schiff bases derived from salicylaldehydes exhibit a strong intramolecular H-bond contributing to extensive pi-electron delocalization.
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C, S., E, M., P, C., & JC, P. (2026). Expanding the chemical space of d-mannosamine imines - A combined experimental and computational analysis of anomeric and tautomeric equilibria.. doi.org. https://doi.org/10.1016/j.carres.2026.109927

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first checked04 Aug 2026
judged → SUPPORTED · 7904 Aug 2026
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