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Line Positions and Line Strengths for the 3 2 1Σ+ g



D C. Robie, Joseph T. Hodges


Several rotational lines in the S and Q branches (including the previously unobserved Q32 and Q33 lines) of the 3-0 electric quadrupole band of H2 have been detected by cavity ring-down spectroscopy. Line strengths were measured at densities between 2.7X1018 and 7.7X1018 molecules cm-3 at room temperature. Observed line strengths in the S branch are consistent with earlier measurements, and systematically below theoretical calculations (relative differences of approximately 10 % for the S31, S32 and S33 lines, and nearly 30 % for the S30 line). Line strength measurements for the Q branch range from 25 % to 33 % below theoretical calculations.
Journal of Chemical Physics
No. 2


ammonia, Beer's law, methane, reference spectra, resolution, vapor-phase


Robie, D. and Hodges, J. (2006), Line Positions and Line Strengths for the 3 <-- 0 Electric Quadrupole Band of H<sub>2</sub> <sup>1</sup>&#931;<sup>+</sup> <sub>g</sub>, Journal of Chemical Physics (Accessed March 1, 2024)
Created December 31, 2005, Updated October 12, 2021