Match List I with List II:

List 1

1. 3 translational degrees of freedom

2. 3 translational and 2 rotational degrees of freedom

3. 3 translational, 2 rotational and 1 vibrational degree of freedom

4. 3 translational, 3 rotational and more than one vibrational degree of freedom

List 2

1. I. Monoatomic gases

2. II. Polyatomic gases

3. III. Rigid diatomic gases

4. IV. Non-rigid diatomic gases