IR Spectroscopy Principle and theory modes of vibration no of vibrations selection rules by PLS.

IR Spectroscopy Introduction theory, natural vibrational frequency, change in electric dipole, modes of vibration, Stretching Vibrations, Symmetric stretching, Asymmetric stretching, Bending Deformation Vibrations, In plane bending, Scissoring, Rocking, Out of plane bending, Twisting, Wagging
no. of fundamental vibrations, selection rules, centero symmetric vibrations by PLS