Silicon analogues of triarylmethanol hosts. Inclusion properties and host-guest structures: A comparative study

Edwin Weber, Wilhelm Seichter, Konstantinos Skobridis, Dimitrios Alivertis, Vassiliki Theodorou, Petra Bombicz, Ingeborg Csöregh

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The simple triarylmethanol hosts, 2 and 4, and their silicon analogues, 1 and 3, have been studied for comparison of the formation of crystalline inclusion compounds. Clathrate formation experiments showed that replacement of the carbinol C atoms in 2 and 4 by Si atoms to give 1 and 3 resulted in a distinct increase of the capability to form inclusion compounds with organic guests, in particular with alcohols. Moreover, the naphthyl derivatives are much more efficient than the phenyl species, irrespective of the carbinol and silanol features. In order to investigate and compare the guest recognition modes and packing relations of hosts 1-4 in their crystalline inclusion compounds, 11 selected co-crystals, namely 1·DMSO (2:1), 3·EtOH (1:1), 3·i-PrOH (1:1), 3·acetone (1:1), 3·DMSO (1:1), 3·THF (1:1), 3·piperidine (1:1), 4·acetone (1:1), 4·DMSO (1:1), 4·1,4-dioxane (1:1) and 4·benzene (1:1), were studied by X-ray diffraction from single crystals. The survey contains additional 11 crystal structures from the literature and provides a detailed discussion of isostructurality relationships.

Original languageEnglish
Pages (from-to)131-149
Number of pages19
JournalJournal of Inclusion Phenomena
Volume55
Issue number1-2
DOIs
Publication statusPublished - Jun 1 2006

Keywords

  • Crystalline inclusion chemistry
  • Inclusion compounds
  • Isostructurality behaviour
  • Supramolecular interactions
  • Triarylmethanol/triarylsilanol hosts
  • X-ray structure determination

ASJC Scopus subject areas

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

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