Theoretical geometries of protonated carbon dioxide (Ref. 45), carbonyl sulfide (Ref. 1), and carbon disulfide (this work) in their ground states. The components of the dipole moment are calculated to be 2.0 D along the -axis and 2.8 D along the -axis for (Ref. 46); 1.52 D and 1.18 D for (Ref. 1); 0.19 D and 1.09 D for (this work; see Table I).
A portion of the rotational spectrum observed through an electrical discharge of dilute in hydrogen showing the transition of , the result of six min of integration. Each rotational transition has a double-peaked line shape, the result of the Doppler shift of the Mach 2 molecular beam relative to the two traveling waves that compose the confocal mode of the Fabry–Pérot.
Rotational constants and dipole moments for .
Measured rotational transitions of isotopic (in MHz).
Spectroscopic constants of isotopic in the ladder (in MHz).
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