An accurate analytic potential function for ground-state N2 from a direct-potential-fit analysis of spectroscopic data.

@article{Roy2006AnAA,
  title={An accurate analytic potential function for ground-state N2 from a direct-potential-fit analysis of spectroscopic data.},
  author={R. L. Le Roy and Yiye Huang and Calvin Jary},
  journal={The Journal of chemical physics},
  year={2006},
  volume={125 16},
  pages={
          164310
        }
}
Two types of combined-isotopologue analysis have been performed on an extensive spectroscopic data set for ground-state N2 involving levels up to v=19, which is bound by half the well depth. Both a conventional Dunham-type analysis and a direct-potential-fit (DPF) analysis represent the data within (on average) the estimated experimental uncertainties. However, the Dunham-type parameters do not yield realistic predictions outside the range of the data used in the analysis, while the potential… Expand

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