Abstract

CunBO2(OH)− (n=1, 2) clusters were studied by anion photoelectron spectroscopy and density functional calculations. From the experimental photoelectron spectra, the adiabatic detachment energy (ADE) and vertical detachment energy (VDE) of CuBO2(OH)− are determined to be 4.00±0.08 and 4.26±0.08eV, and those of Cu2BO2(OH)− to be 2.30±0.08 and 2.58±0.08eV. The structures of CunBO2(OH)− and their corresponding neutrals are assigned by comparison between theoretical calculations and experimental measurements. Both experiment and theory show that CuBO2(OH) can be viewed as a superhalogen, thus, confirmed that OH can behave like a halogen atom to participate in superhalogen formation.

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