The dipole moment of a molecule is therefore the vector sum of the dipole moments of the individual bonds in the molecule. If the individual bond dipole moments cancel one another, there is no net dipole moment. Such is the case for CO 2, a linear molecule (Figure 2.2. 1 a).
Dipole moment of propene. Build propene, CH 3 CH=CH 2, using WebMO. Perform a single point Hartree-Fock 3-21G calculation on it. View the dipole moment of propene. Note that WebMO follows the chemistry convention of the dipole moment pointing from positive to negative, i.e., towards excess electron density.