Abstract
THERE have been many theories1 advanced to explain the extremely broad OH-stretching vibration (νOH) in hydrogen bonded molecules. None of these theories fully explains the νOH band width for all types of hydrogen bonded systems and many Of the theories cannot be tested experimentally. We wish to report experimental evidence that the OH-stretching vibration in solid alcohols is not inherently broad, and that the breadth normally observed results from crystal interactions through nearest neighbour or first order coupling between OH groups along the hydrogen bond chain. Spectra of single crystals were obtained in a diamond window high pressure cell with techniques previously described2. Low temperature spectra were obtained in a conventional Dewar cell.
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