Phenylalanine is an amino acid with a polarizable benzene ring. What is the energy of interaction (kJmol^-1) between the benzene ring and the dipole of a neighboring peptide group (in air)? r = 1.0 nm; m = 2.7 D; and a = 1.04 10^-29 m³

( ) -3.2 10^-5

( ) -5.7 10^-4

( ) -7.7 10^-4

( ) -1.1 10^-3

( ) -4.7 10^-3