Inelastic neutron scattering spectrum of p-terphenyl
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 68, 1434-1438
- https://doi.org/10.1039/f29726801434
Abstract
The far infra-red1 and Raman2 spectra for single crystals of p-terphenyl have recently been taken. The assignments are ambiguous because more lines are observed in the optical experiments than could be expected from simple group theory arguments for an ordered crystal. We have taken the inelastic neutron scattering (i.n.s.) spectrum of polycrystalline p-terphenyl in order to throw light on these since the scattering and vibrational amplitude weighting if i.n.s. emphasizes quite different features to optical selection rules.Keywords
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