Compressibility and Melting Curve of Adamentane to 20 Kbar
- 1 May 1969
- journal article
- research article
- Published by Taylor & Francis in Molecular Crystals
- Vol. 5 (4) , 353-361
- https://doi.org/10.1080/15421406908082943
Abstract
The compressibility of adamantane was measured to 20 kbar at 20°C. The solid-solid transition occurs at this temperature at 4.1 kbar with a volume change of 1.8 cm3/mole. The melting curve of adamantane rises with pressure with an initial slope of 25.6°C/kbar, but shows considerable curvature at higher pressures. The triple point tetragonal/fee/liquid can be expected near 460°C, 27, kbar. The volume of activation for self-diffusion in adamantane is estimated at 75 cm3/mole by using Nachtrieb's T/Tm law.Keywords
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