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High-Resolution Infrared Spectroscopy and Nuclear Spin Conversion of CH3D in Solid Parahydrogen: Crystal Field

Anh H M Nguyen1, Ibrahim Muddasser1, David T Anderson1

  • 1Department of Chemistry, University of Wyoming, Laramie, Wyoming 82071, United States.

The Journal of Physical Chemistry. A
|June 30, 2025
PubMed
Summary

Nuclear spin conversion rates of methane-d3 (CH3D) in solid parahydrogen (pH2) were measured. CH3D in hexagonal close-packed sites converted faster than in face-centered cubic sites, with rates varying with temperature.

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