The electron spin resonance spectrum of Al[C2H4] in hydrocarbon matrices
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 83 (12) , 3701-3707
- https://doi.org/10.1039/f19878303701
Abstract
Al[C2H4] is formed from Al atoms and C2H4 on solid hydrocarbons at 77 K in a rotating cryostat. It has the magnetic parameters a‖(Al)= 123 MHz, a‖(Al)=–14 MHz, aAl= 31 MHz, aH(4)= 7.5 MHz, g‖= 2.0026, g⊥= 2.0047 and g= 2.004. This complex is remarkably stable and persists in adamantane up to 297 K. The structure and bonding of Al[C2H4] is still in some doubt, but the magnetic parameters and stability suggest a strong σ as well as π interaction between the Al atom and the ethylene group.Keywords
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