Abstract
The influence of pressure on the OH-stretching vibration of zoiste has been studied by single crystal high pressure infrared spectroscopy. A band related to the OH-stretching vibration displayed a linear shift from 3170 cm−1 at 1 bar to 2795 cm−1 at 116 kbar. The half-band width increased linearly with respect to pressure from 60 cm−1 at 1 bar to 500 cm−1 at 116 kbar. The strength of the absorption of this band is strongly frequency dependent. The high-energy shift of a band at around 2200 cm−1 on pressure increase indicates that this band is not due to a second OH-stretching vibration as previously suggested by Langer and Lattard (1980).
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Winkler, B., Langer, K. & Johannsen, P.G. The influence of pressure on the OH valence vibration of zoisite. Phys Chem Minerals 16, 668–671 (1989). https://doi.org/10.1007/BF00223315
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DOI: https://doi.org/10.1007/BF00223315