CSIR NET 2024 | Physical Chemistry (Molecular spectroscopy) | (15 April 2024)

The Raman shift, related to force constant k and reduced mass , is given by ______

The anharmonicity constant of the certain reaction is 0.0025 and the depth of the potential curve is 30,000. Calculate the energy required for second overtone (in cm^-1).

The symmetric rotor among the following is

The normal mode of ethylene represented, by the figure below, is

The pure rotational (microwave) spectrum of the gaseous molecule CN consists of a series of equally spaced lines separated by a distance of 3.7978 cm­^–1. Calculate the internuclear distance (i.e., equilibrium bond length) of the molecule. The molar masses are: ¹²C = 12.011 mol^–1 and ¹⁴N = 14.007 g mol^–1.