Abstract
The first measurements of the millimeter- and submillimeter (mm/submm)-wave rotational–torsional transitions in thev3= 1 ground torsional state (n= 0) of hydrogen peroxide are reported. The 149 newly measured transitions extend from 72 to 623 GHz in frequency and up toJ= 32 andKa= 3 in rotational quantum number. Additional measurements in the ground vibrational and torsional state around 1 THz are also reported. These data, along with all previously published microwave, mm/submm-wave, and far infrared data in the ground andv3= 1 vibrational state, along with recent infrared measurements, have been fitted simultaneously to their respective experimental uncertainties using a multi-state Hamiltonian that includes Fermi- and Coriolis-type interactions.
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