A gas-phase ¹ H¹²⁷ I molecule, with a bond length of 160.92 pm, rotates in three-dimensional space.
a. Calculate the zero point energy associated with this rotation.
b. What is the smallest quantum of energy that can be absorbed by this molecule in a rotational excitation?
a) 1.12 × 10⁻²⁰ J, 2.25 × 10⁻²⁰ J
b) 2.25 × 10⁻²⁰ J, 1.12 × 10⁻²⁰ J
c) 1.12 × 10⁻²⁰ J, 5.60 × 10⁻²¹ J
d) 5.60 × 10⁻²¹ J, 1.12 × 10⁻²⁰ J