Figure 2 | Scientific Reports

Figure 2

From: Spectroscopic characterization and assessment of microbiological potential of 1,3,4-thiadiazole derivative showing ESIPT dual fluorescence enhanced by aggregation effects

Figure 2

Keto-enol tautomerism and intramolecular hydrogen bonds in NTBD: cis configuration of enolic form (cis-enol) favoring the formation of intramolecular hydrogen bond with the nearest thiadiazole nitrogen atom (1), keto form (2) trans configuration of enolic form (trans-enol) in which the formation of intramolecular hydrogen bond is prevented (3).

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