A "through-shell" binding isotope effect

Yong Liu, Ralf Warmuth

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

(Graph Presented) Small, but very significant: Partial separation of two hemicarceplexes which differed only in the degree of guest deuteration could be achieved by normal-phase chromatography (see picture). The difference in retention time arises from a variation in the interaction between the hemicarceplex and the silica surface as a consequence of a 0.005-Å difference in the C-H and C-D bond lengths of the guest molecules.

Original languageEnglish (US)
Pages (from-to)7107-7110
Number of pages4
JournalAngewandte Chemie - International Edition
Volume44
Issue number43
DOIs
StatePublished - Nov 3 2005

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

Keywords

  • Encapsulation
  • Host-guest systems
  • Isotope effect
  • Liquid chromatography
  • Molecular recognition

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