A Study Of The Order-Disorder Phase-Transition In 2-adamantanone by FT-IR Spectroscopy

Pierre D. Harvey; Denis F. R. Gilson; Ian S. Butler

doi:10.1117/12.970878

20 December 1985 A Study Of The Order-Disorder Phase-Transition In 2-adamantanone by FT-IR Spectroscopy

Pierre D. Harvey, Denis F. R. Gilson, Ian S. Butler

Proceedings Volume 0553, Fourier and Computerized Infrared Spectroscopy; (1985) https://doi.org/10.1117/12.970878
Event: 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, 1985, Ottawa, Canada

Abstract

The 2-adamantanone molecule undergoes a phase transition from a disordered plastic phase (Fm3m, Z = 4) at room temperature to an ordered phase at lower temperature. The phase transition has been monitored by variable-temperature FT-IR spectroscopy. A large hysteresis effect ((~50 K) is observed between the cooling and heating cycles. From the numerous splittings observed, with non-degenerate species yielding at least four components, the low-temperature ordered phase is believed to have at least 4 molecules per unit cell.

Citation Download Citation

Pierre D. Harvey, Denis F. R. Gilson, and Ian S. Butler "A Study Of The Order-Disorder Phase-Transition In 2-adamantanone by FT-IR Spectroscopy", Proc. SPIE 0553, Fourier and Computerized Infrared Spectroscopy, (20 December 1985); https://doi.org/10.1117/12.970878

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