The infrared spectrum of the FeH radical by laser magnetic resonance

Abstract

Ten transitions in the fundamental band of the FeH radical in its ground ⁴Δ state have been detected by CO laser magnetic resonance. Assignments of the M_J structure have been made for each transition and the parameters of an empirical energy level model have been determined. This method has allowed zero-field transition wavenumbers to be determined very accurately, as well as g factors for FeH in the v = 1 level.