Vibration-rotation band strengths and dipole moment function of the H79Br molecule

Abstract

From the data on the line strengths, the band strengths of the 1-0 and 2-0 vibration-rotation bands of H⁷⁹Br molecule have been respectively calculated to be 10.65+or-0.22 and 0.174+or-0.008 cm^-2 atm^-1 at 294 K. From the vibrational matrix elements involving the Morse and anharmonic oscillator wave functions, two sets of values for the dipole moment coefficients M₁ and M₂ have been calculated. They are M₁=0.316 debye AA^-1, M₂=0.518 debye AA^-2 or M₁=0.344 debye AA^-1, M₂=-0.096 debye AA^-2. These values are compared with the values reduced from the low-resolution data.