A New Mode of Metal Encapsulation

John S. Bartlett, James F. Costello, Shrock Mehani, S. Ramdas, Alexandra M Z Slawin, J. Fraser Stoddart*, David J. Williams

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


All ten oxygen atoms of the acyclic oligomer 1 c participate in the coordination of Ba2⊕ in the “scorpion” complex 1c · Ba(SCN)2 · Me2CO. The eleventh coordination site is occupied by the acetone molecule. A further characteristic of the complex are strong OHċN hydrogen bonds to the thiocyanate counterion. The ligands 1 also exhibit a high selectivity for cations with ionic radii of 1.2–1.3 Å, which could be explained with the help of molecular modeling studies. (Figure Presented.)

Original languageEnglish (US)
Pages (from-to)1404-1406
Number of pages3
JournalAngewandte Chemie International Edition in English
Issue number12
StatePublished - Dec 1990

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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