Article ID Journal Published Year Pages File Type
1250712 Vibrational Spectroscopy 2009 5 Pages PDF
Abstract

In this work, from the discussion on water structure and clusters, it can be deduced that the OH stretching vibration is closely related to local hydrogen-bonded network for a water molecule, and different OH vibrations can be assigned to OH groups engaged in various hydrogen bonding. At ambient condition, the main local hydrogen bonding for a molecule can be classified as DDAA (double donor–double acceptor), DDA (double donor–single acceptor), DAA (single donor–double acceptor) and DA (single donor–single acceptor) and free OH vibrations. As for water at 290 K and 0.1 MPa pressure, the OH stretching region of the Raman spectrum can be deconvoluted into five sub-bands, which are located at 3014, 3226, 3432, 3572, and 3636 cm−1, and can be assigned to νDAA-OH, νDDAA-OH, νDA-OH, νDDA-OH, and free OH2 symmetric stretching vibrations, respectively.

Related Topics
Physical Sciences and Engineering Chemistry Analytical Chemistry
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