Answers are grounded in this paper and cite their sources.
The rotational spectrum of CH3COCHCH2 has been studied in the region 7–33 Gc/sec. Both a- and b-type transitions have been assigned. The barrier to internal rotation of the methyl group has been found to be 1250±20 cal/mole. The electric dipole moment has been found to be 3.16±0.05 D. The observed spectrum is consistent with a planar configuration in which the two double bonds are trans with respect to each other.
No takes yet. Share an insight, caveat, or question.
Foster et al. (1965) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: