Shape similarity effect on the strength of weak interactions of a phenyl group with unsaturated hydrocarbons and ethers

Abstract

Gas chromatographic studies for pairs of six-membered-ring(cyclic) and straight-chain hydrocarbons and ethers have shown that the weak interactions of the phenyl group in a stationary liquid are more attractive with the cyclic hydrocarbons and ethers, which are similar in shape to the phenyl group, than with the straight-chain hydrocarbons and ethers, each pair containing the same number of π-electrons or oxygen atoms.