Bond energies in inorganic compounds

Atom Bond energy in molecule Xj kcals Single bond energy X—X kcals 

The existence of such molecules as P4, AS4 and Cn is now understandable since the transfer from multiple to single bonds is accompanied by an increase in the stability of the molecule. 

Employing the latter value as the energy of the O—H bond we obtain for the dissociation of hydrogen peroxide into two peroxide groups H2O2 = 20H d// = 56 6 kcals 

The energy of the O—Cl bond in GI2O is found to be 49 kcals, hence employing Pauling s equation (page 100) we may write, 

The examination of a considerable amount of data shows that the energy of the O—O bond is to a great extent determined by the nature of the adjacent molecules and we can therefore give only a very approximate value for the bond energy. 

---