Reference Label	Details
est unc	estimated uncertainty
Cafiero 2003	M. Cafiero, S. Bubin, and L. Adamowicz, Phys. Chem. Chem. Phys. 5, 1491 (2003)
Kinghorn 1997	D. B. Kinghorn and L. Adamowicz, J. Chem. Phys. 106, 4589 (1997)