Abstract
Abstract The infrared spectrum of 2-methyl-2-butene dissolved in liquid argon has been measured at 90 K. The absorption was obtained with a low-temperature cell and a Fourier transform spectrophotometer. The solubility of 2-methyl-2-butene in liquid argon was measured. Ab initio molecular orbital calculations were performed to obtain the equilibrium geometry, vibrational frequencies, and infrared intensities. The calculations were done at the Hartree-Fock level using the 6-31G ∗ split-valence basis set. A normal coordinate analysis was performed using a scaled force field determined from the 6-31G ∗ basis set. The potential energy distribution was also obtained.
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