Problem- Calculate the vibrational contribution to the heat capacity and the total heat capacity for the following molecules (harmonic vibrational frequencies given)

1) HCN 3311 cm-1 , 2097 cm-1 , 712 cm-1 , 712 cm -1

2) CCl4 776 cm-1 , 776 cm-1 , 776 cm -1 , 450 cm-1 , 314 cm-1 , 314 cm-1 , 221 cm-1 , 221 cm-1 , 221 cm-1

Your answer must be supported by illustrations, Please answer with work shown to receive points