Clathrate Engineering of Piedfort Hosts. Crystal Structures and Molecular Modeling of the para-mono- and meta-di-methyl/t-butyl Substituted Derivatives of 2,4,6-tris (alkylphenoxy)-1,3,5-triazine

László Fábián, Petra Bombicz, Mátyás Czugler, Alajos Kálmán, Edwin Weber, Manfred Hecker

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

X-ray crystal structure analyses of four related 2,4,6-tris-(alkylphenoxy)-1,3,5-triazine host candidates were planned to clarify conditions of the Piedfort pair based inclusion formation. The 3,5-di-t-butylphenoxy substituted compound yields inclusion and exhibits dimorphism as well. Contrasting the inclusion, no Piedfort pairing was observed in the dimorphs. Other para- and meta-t-butyl/methyl substituted molecules did not give clathrates. Homomolecular columns of polymeric Piedfort stacks were formed instead. The stacking distances between triazine rings in the polymeric columns vary smoothly with the size and position of the substituents. We conclude that bulky substituents must impede parallel to the expected direction of favorable Piedfort stacking to form inclusion supramolecules.

Original languageEnglish
Pages (from-to)151-167
Number of pages17
JournalSupramolecular Chemistry
Volume11
Issue number2
DOIs
Publication statusPublished - 1999

Keywords

  • Crystal structures
  • Inclusion compounds
  • Molecular modeling
  • Polymeric Piedfort complex

ASJC Scopus subject areas

  • Chemistry(all)

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