Molecular Vibration: the Vibrational Frequency of an HF Molecule Is

Multiple Choice

Molecular vibration: The vibrational frequency of an HF molecule is 8.72 × 10¹³ Hz and the reduced mass of the molecule is 1.589 × 10^-27 kg. What is the ground state vibrational energy of an HF molecule? (1 eV = 1.60 × 10^-19 J, ħ = 1.055 × 10^-34 J ∙ s, h = 6.626 × 10^-34 J ∙ s)

A) 0.12 eV
B) 0.18 eV
C) 0.24 eV
D) 0.30 eV
E) 0.36 eV