Thermally reversible structural transformation involving a C-H⋯O hydrogen bond in a supramolecular crystal

Daisuke Ishii, Takeshi Yamada, Tomokazu Iyoda, Hirohisa Yoshida, Masaru Nakagawa

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A molecular crystal of 6-[2-propyl-4-(4-pyridylazo)phenoxy]hexanoic acid prepared by sublimation showed two thermally reversible transitions at 17 and 172°C on heating. Temperature dependence of its X-ray diffraction profile analyzed on the basis of its crystal structure revealed that the reversible transitions were related to a thermally induced hierarchical structural transformation involving cleavage of a C-H⋯O hydrogen bond, followed by cleavage of a O-H⋯N hydrogen bond.

Original languageEnglish
Pages (from-to)1394-1395
Number of pages2
JournalChemistry Letters
Volume35
Issue number12
DOIs
Publication statusPublished - 2006 Dec 5
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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