High pressure Raman spectra and pressure-induced phase transitions of β-9,10-dichloroanthracene
- 1 September 1988
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 89 (5) , 3163-3167
- https://doi.org/10.1063/1.455691
Abstract
The effect of pressure on Raman spectra and optical absorption of β-9,10-dichloroanthracene crystals has been investigated in a diamond anvil cell up to 8 GPa hydrostatic pressure. Two pressure-induced phase transitions at about 3 and 5 GPa are observed, the latter being associated with a large red shift of the absorption edge of the first π*←π transition. The structure of the high pressure phases is discussed on the basis of symmetry considerations.Keywords
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