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Cook, W.B.; Hunt, R.H.; Shelton, W.N.; Flaherty, F.A., Torsion-Rotation Energy Levels, Hindering Potential, and Inertial Parameters of the First Excited Vibrational State of the Antisymmetric O-H Stretch in Hydrogen Peroxide, J. Mol. Spectrosc., 1995, 171, 1, 91, https://doi.org/10.1006/jmsp.1995.1104 . [all data]