| Reference Label | Details |
|---|---|
| est unc | estimated uncertainty |
| Li 2006a | X. Li and J. Paldus, Chem. Phys. lett. 431, 179-184 (2006) Singlet–Triplet Separation in BN and C2: Simple Yet Exceptional Systems for Advanced Correlated Methods |
| Li 2008 | X. Li, J. R. Gour, J. Paldus, and P. Piecuch, Chem. Phys. Lett. 461, 321-326 (2008) On the Significance of Quadruply Excited Clusters in Coupled-Cluster Calculations for the Low-Lying States of BN and C2 |