INFRARED SPECTROSCOPIC EVIDENCE FOR ISOTOPOLOGS OF THE HOHOH ANION TRAPPED IN SOLID NEON
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Date
2012
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Ohio State University
Abstract
Although properties of the HOHOH anion have long been sought, only recently have quantum chemical calculations converged on a centrosymmetric structure for it. One vibrational fundamental, the antisymmetric stretching motion of the central H atom along the OHO axis, has even more recently been identified in the gas phase . In experiments involving the codeposition at 4.3 K of a Ne:O$_2$ mixture with a Ne:H$_2$ mixture that has been passed through a microwave discharge, this fundamental absorption appears very close to its gas-phase position. Experiments involving partial and full deuterium enrichment confirm the presence of multiple H atoms in the anion and provide the first observation of the corresponding fundamental of the fully deuterium-substituted species.
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Author Institution: Sensor Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899-8441