Rotationally resolved S 1←S 0 electronic spectra of anisole and its hydrogen bonded complex containing one water molecule have been obtained. The results provide evidence for an "in-plane" complex in which the water molecule is attached via two hydrogen bonds to the anisole molecule, a donor O - H - O(CH 3) bond and an acceptor H - O - H(ring) bond. Analysis of the subbands that appear in the spectrum of the complex suggests that hydrogen bond "switching" occurs when the complex absorbs light. The former O - H - O(CH 3) bond is stronger in the ground (S 0) state, whereas the latter H - O - H(ring) bond is stronger in the excited (S 1) state. Dynamical consequences of this phenomenon are discussed. © 2006 American Chemical Society.
CITATION STYLE
Ribblett, J. W., Sinclair, W. E., Borst, D. R., Yi, J. T., & Pratt, D. W. (2006). High resolution electronic spectra of anisole and anisole-water in the gas phase: Hydrogen bond switching in the S 1 state. Journal of Physical Chemistry A, 110(4), 1478–1483. https://doi.org/10.1021/jp052832v
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