For theB2Σ andX2Σ states of scandium monoxide, the potential energy curves are constructed by the Rydberg-Klein-Rees and the Morse methods. Morse model is shown to be adequate for the (B→X) band system of ScO. The re values are found to be 1.717 Å and 1.665 Å for theB andX states respectively.
Volume 96, 2022
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