Dipole Moments of Polyatomic Molecules

IN calculating the dipole moments of polyatomic molecules, it is assumed that the observed moment is vectorially composed of the moments of the various links or bonds. The bond moments so deduced have no simple relationship to the values calculated from the internuclear distances and the electronic charge. The valency angles calculated from them vary and do not agree with theoretical values or even those found by other methods; interactions of the bond moments have been postulated in order to produce agreement between the calculated and the observed values. There is no vector between the bonds connected by single links due to free rotation or uncoupling.