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Published on: June 23, 2023
Structure of the phenylacetylene-water complex as revealed by infrared-ultraviolet double resonance spectroscopy
Prashant Chandra Singh1, Biswajit Bandyopadhyay, G Naresh Patwari
1Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076 India.
Abstract:
The structure of the phenylacetylene-water complex has been elucidated based on spectral shifts in electronic and vibrational transitions. Phenylacetylene forms a cyclic complex with water incorporating C-H...O and O-H...pi hydrogen bonds, which is different from both the benzene-water and acetylene-water complexes, even though phenylacetylene combines the features of both benzene and acetylene. Formation of such a complex can be rationalized on the basis of cooperativity between the two sets of hydrogen bonds.
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