Spectra of polyatomic molecules|PR and PQR branches|structure determination vibrational Spectroscopy Gentle Nerves Gentle Nerves June 1, 2023 · 0 Comment #spectra#polyatomicmolecules#prbranch#pqrbranch#structuredetermination Physical spectroscopy for CSIR-NET GATE IIT-JAM BARC 2019: Chapter-wise previous year questions