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August 11, 2026PhotochemOpen Access

Conformational Analysis and Ultraviolet Photodissociation of Valine in Solid Parahydrogen: Conformer-Specific Photolysis and Product Identification

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Authors

LZL. ZengCZChenyang ZhaoKKKenzo Kennedy

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Overview

Randomized trial investigates photolysis of valine in solid parahydrogen, indicating conformer-specific stability implications.

Key Points

  • To analyze the conformational composition and photochemistry of valine isolated in solid parahydrogen.
  • Used high-resolution infrared spectroscopy to analyze infrared spectrum and vibrational frequencies.
  • Conducted ultraviolet photolysis experiments to identify photoproducts and kinetics of different valine conformers.
  • Employed density functional theory calculations for further analysis of conformers and their stability.
  • Identified four distinct photolysis-rate categories, linking them to at least four valine conformers.
  • Carried out photolysis predominantly led to the formation of HOCO radical and 2-methylpropan-1-imine.
  • Type II conformer demonstrated significantly slower photodepletion than Type I conformers, indicating enhanced photostability.

Cite This Study

Zeng et al. (2026) studied this question.

synapsesocial.com/papers/6a7ace0a3401087f2249dbfbhttps://doi.org/10.3390/photochem6030028
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