Article

X-ray investigation of the structure of the intermediate phases of methane and deuteromethane

A. I. ProkhvatilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovA. P. IsakinaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovI. N. KrupskiĩPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov

Soviet Journal of Low Temperature Physicsjournal1982en

ABI

Abstract

X-ray studies of the intermediate phases of methane and deuteromethane are carried out. Analysis of experimentally observed reflections caused by x-ray scattering by hydrogen and deuterium atoms shows that the orientation structure of these phases is modulated and incommensurate. The modulation parameters and the periods of the modulated unit cell are determined. A transition to a commensurate orientational structure is observed in methane, whose temperature coincides with the earlier observed volume jump.

Topics

Chemical Thermodynamics and Molecular Structure Phase Equilibria and Thermodynamics Calibration and Measurement Techniques

Identifiers

DOI: 10.1063/10.0030721

Citations and references

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