HDO and D_2O low pressure, long path spectra in the 600-3100 cm~(-1) region. II. D_2O line positions and strengths

摘要

Measurements of line positions and absolute strengths of D_2O from 700 to 3100 cm~(-1) were obtained with a Fourier transform spectrometer. The data were analyzed to obtain energy levels of the (000), (010), (020), (100), and (001) vibrational states of D_2~(16)O and, first time assignments of the (010)-(000) band of D_2~(17)O, including the energy levels of the (000) and (010) states. The measurements included transitions of the (010)-(000) band of D_2~(18)O; however, observations from a previous study provided adequate information for the energy levels. The measured linestrengths of the (010)-(000) bands of D_2~(16)O, D_2~(17)O, and D_2~(18)O were fitted to the model, which included up to 19 dipole-moment expansion coefficients. The observed linestrengths of the D_2~(16)O interacting bands, (020)-(010), (100)-(010), and (001)-(010), were analyzed using a full perturbation treatment.