Abstract
The three lowest vibrational bands 1← 0, 2← 1 and 3← 2 of 20NeH+ in the 1Σ+ ground electronic state are recorded from IR emission of a positive column discharge with a Fourier transform Bruker 120 spectrometer between 1800 and 3000 cm−1. Accurate integrated intensities have been measured for 75 vibration rotation transitions. The diagonalisation procedure first developed by T. Tanaka et al. [J. Mol. Struct.153, 413 (1997)] was applied for the determination of the transition dipole moment of NeH+. With the reported theoretical value of the permanent dipole moment taken as 3.004 D, the vibrational transition moment μ1−0 is determined to be 0.314±0.026D, with one standard deviation.
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