In its lowest quantum state, a diatomic quantum mechanical rotator has a rotational energy of
A)zero.
B)2h/πI.
C)h/2πI.
D)h/πI.
E)none of the given answers

Question

Quizplus · Accepted Answer

In quantum mechanics, the lowest energy state (ground state) of a diatomic rotator is not zero due to zero-point energy, but for a quantum mechanical rotator, the lowest rotational energy level (J=0) is zero.

In Its Lowest Quantum State, a Diatomic Quantum Mechanical Rotator