TY JOUR TI Influence of strongly binded water molecules on photoexcitation of thionine dye in solution: Quantum chemical analysis KW thionine KW aqueous solution KW excited state KW vibronic absorption spectrum KW solvatochromism KW hydrogen bond KW time-dependent density functional theory JO Russian Journal of Biological Physics and Chemisrty AU Kostjukova, L.O. AU Voronin, D.P. AU Rybakova, K.A. AU Savchenko, E.V. AU Kostjukov, V.V. PY 2021 IS 6 PB Federal State Educational Institution of Higher Education Sevastopol State University