High pressure phase transitions in organic solids I:α → β transition in resorcinol |
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Authors: | Surinder M Sharma V Vijayakumar S K Sikka R Chidambaram |
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Institution: | (1) Neutron Physics Division, Bhabha Atomic Research Centre, 400 085 Bombay, India |
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Abstract: | An experimental program has been started to study polymorphic phase transitions under pressure in organic solids using the
Be gasketing technique developed by us. This allows us to obtain x-ray diffraction patterns of low symmetry organic solids
with high resolution, employing CuK
α
radiation. The first organic solid studied is α-resorcinol. At 0.5 GPa, it transforms to its high temperature and denser
modification, β-resorcinol. The transformation mechanism is discussed with the help of molecular packing calculations. |
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Keywords: | High pressure organic compounds resorcinol phase transitions |
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