A clear trend emerges band-1 ( λ max1 , defined here for convenience, as the dominant π-π* transition) shows a dramatic decrease in ε with increasing H 2 O content of the solvent and a weak bathochromic shift between 100% H 2 O to 100% DMSO (∆ λ max1 15 nm, Table 1 ).
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Petrosamine Revisited. Experimental and Computational Investigation of Solvatochromism, Tautomerism and Free Energy Landscapes of a Pyridoacridinium Quaternary Salt.
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