| Abstract
| - Laser-ablated Sc atoms react with CO2 molecules to give primarily the insertion product, OScCO,and a minor amount of the addition product, Sc-(η2-OC)O, which have been isolated in a solid argon matrix.Photoisomerization to form the novel side-bonded OSc-(η2-CO) isomer and photoionization to the OScCO+cation and OScOC+ and ScOCO+ isomers proceed upon different wavelength photolyses. The productabsorptions were identified by isotopic substitution and density functional calculations of isotopic frequencies.Similar experiments with Y give spectra for the analogous product molecules and cations.
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