Preparation and structure of the [ybcl2.15-crown-5]+cation, an example of seven-coordinate ytterbium

David A. Atwood, Simon G. Bott, Jerry L. Atwood

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18 Scopus citations

Abstract

The complex (YbCl2. 15-crown-5][AlCl2Me2] has been prepared by the reaction of YbCl3. 15-crown-5, and AlMe3(1:1:4) in toluene. The colourless, air-sensitive crystals belong to the orthorhombic space group Pnma with a = 11.313(7), b = 10.907(5), c = 17.716(7) Å, and Dc= 1.81 g cm-3for Z = 4. The structure was refined to R = 0.048 based on 1502 observed reflection. The Yb atom is displaced 0.20 A from the plane of the crown ether, and the Yb-O bond distance range from 2.23-2.32 A.

Original languageEnglish
Pages (from-to)93-96
Number of pages4
JournalJournal of Coordination Chemistry
Volume16
Issue number1
DOIs
StatePublished - Jul 1987

Bibliographical note

Funding Information:
We are grateful to the National Science Foundation for support of this work.

Keywords

  • crown ether
  • liquid clathrate
  • structure
  • synthesis
  • ytterbium

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry

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