Syntheses and structural studies of two adducts of cadmocene, [CdCp2. TMEDA] and [CdCp2. PMDETA] (TMEDA Me2NCH2CH2NMe2, PMDETA (Me2NCH2CH2)2NMe)

Donald Barr, Andrew J. Edwards, Paul R. Raithby, Moira Ann Rennie, Kerry L. Verhorevoort, Domonic S. Wright

Research output: Contribution to journalArticlepeer-review

Abstract

Cp2Cd.TMEDA 1 and Cp2Cd.PMDETA 2 have been synthesized and characterized by spectroscopic studies and by X-ray diffraction studies at low-temperature (153 K). The adducts are present in the crystals as mononuclear complexes. When the denticity of the Lewis base ligands in these adducts is increased (from two in 1 to three in three in 2) the Cd2+ centre requires less electron density from the Cp ligands and the hapticity changes from η2- in 1 to η1- in 2. Complexes 1 and 2 are the first compounds for which π-bonding of Cp ligands to Cd2+ has been observed in the solid state.

Original languageEnglish
Pages (from-to)175-179
Number of pages5
JournalJournal of Organometallic Chemistry
Volume493
Issue number1-2
DOIs
Publication statusPublished - 17 May 1995

Bibliographical note

Funding Information:
We gratefully acknowledge support by the EPSRC (A.J.E., P.R.R., K.L.V., D.S.W.), the Associate Odctel Co. Ltd., (K.L.V., D.S.W.), and the Royal Society (D.S.W.), and the cooperation of the Cambridge Crystallographic Data Centre (M.-A.R.).

Keywords

  • Adducts
  • Cadmium
  • Cadmocene
  • Crystal structure
  • Metallocene
  • X-ray diffraction

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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