Methyl group rotation and bonding in solid hexamethyldialuminum, Al2(CH3)6

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DOIResolve DOI: http://doi.org/10.1063/1.437500
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TypeArticle
Journal titleThe Journal of Chemical Physics
ISSN0021-9606
Volume70
Issue2
Pages722725; # of pages: 4
Subjectactivation energies; carbon; organic compounds; protons; relaxation times
AbstractContinuous wave proton second moment and line shape studies of the solid state trimethylaluminum dimer, Al2(CH3)6, have shown that all the methyl groups in this compound rotate about their triad axes at 77° K. An activation energy of 840±40 cal/mole was found for this methyl group rotational process from the temperature dependent static and rotating frame spin–lattice relaxation times (T1 and T1ρ, respectively) studies. These observations tend to support the two-electron three-center Al–C–Al bond model for the bridging methyl group carbons.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
NRC number17691
NPARC number21275093
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Record identifier61c8e488-e843-4d5b-9292-b9571e7a5ca1
Record created2015-05-07
Record modified2016-05-09
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