Thermosalient Effect of 5-Fluorobenzoyl-4-(4-methoxyphenyl)ethynyl-1-methylimidazole without Phase Transition

Youhei Miura, Takashi Takeda, Naoki Yoshioka, Tomoyuki Akutagawa

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

5-Fluorobenzoyl-4-(4-methoxyphenyl)ethynyl-1-methylimidazole 1 exhibited a thermosalient effect without phase transition. The crystal of 1 was jumped by heating to about 80 °C using a hot plate. No phase transition peak was observed at this temperature range according to DSC measurement, unlike renowned thermosalient crystals. Variable-temperature X-ray crystal structure analyses revealed that anisotropical cell constant expansion resulting from the torsion angle change between the imidazole group and carbonyl moiety induced unit cell constant expansion and the thermosalient effect.

Original languageEnglish
Pages (from-to)5904-5911
Number of pages8
JournalCrystal Growth and Design
Volume22
Issue number10
DOIs
Publication statusPublished - 2022 Oct 5

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics

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