A Revisit to High-pressure Transitions of Pyridine : A New Phase Transition at 5GPa and Formation of a Crystalline Phase over 20GPa

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Author(s)

    • YASUZUKA Takaharu
    • Geochemical Research Center, Graduate School of Science, The University of Tokyo
    • KOMATSU Kazuki
    • Geochemical Research Center, Graduate School of Science, The University of Tokyo
    • KAGI Hiroyuki
    • Geochemical Research Center, Graduate School of Science, The University of Tokyo

Abstract

A new high-pressure phase transition of pyridine at 5.0 GPa was found using Raman and IR spectroscopy. Application of pressure over 20 GPa induced irreversible polymerization of pyridine, and a yellow-brownish solid material was recovered at ambient condition. The X-ray diffraction pattern revealed that the recovered solid material contained a crystalline phase in contrast to amorphization of other aromatic compounds in a similar pressure region.

Journal

  • Chemistry Letters

    Chemistry Letters 40(7), 733-735, 2011-07-05

    The Chemical Society of Japan

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Codes

  • NII Article ID (NAID)
    10029280839
  • NII NACSIS-CAT ID (NCID)
    AA00603318
  • Text Lang
    ENG
  • Article Type
    SHO
  • ISSN
    03667022
  • Data Source
    CJP  J-STAGE 
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