Inclusion of Alkanes with a Crystal Consisting of Exocavity Complexes of p-Tert-Butylthiacalix[4]arene with Diethylamine: Extension of Guest Scope by Changing the Structure of Inclusion Crystals

Naoya Morohashi, Ikuko Miyoshi, Takuro Sasaki, Yosuke Nakaji, Hiroko Nakayama, Tetsutaro Hattori

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A crystal of the exocavity complex of p-Tert-butylthiacalix[4]arene (2) with diethylamine (2·Et2NH) includes alkanes that cannot be included in a crystal of compound 2 alone and produces two types of inclusion crystals. X-ray crystallographic analysis of inclusion crystals 2·Et2NH·(hexane)0.5 and 2·(Et2NH)1.5·(heptane)0.5·H2O, which were chosen as representatives of the two types, reveals that hexane and heptane are captured in a space surrounded by four self-inclusion dimers of the exocavity complex and in a capsule constructed by two exocavity complexes, respectively. The crystal of 2·Et2NH selectively includes hexane, heptane, and octane from mixtures with their branched isomers.

Original languageEnglish
Pages (from-to)7022-7029
Number of pages8
JournalCrystal Growth and Design
Volume19
Issue number12
DOIs
Publication statusPublished - 2019 Dec 4

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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