| Calculated | Other theory | Expt. | |
| LaO (2S+1=2) | (a) 1.945, (b) 1.902 | 1.89 | 1.83 | 
| LaO (Expt.) | Taken from a paper (S. G. Wang, D. K. Pan, W. H. W. Schwarz, J. Chem. Phys. 102, 9296 (1995)) | 
| LaO (Theory) | S. G. Wang, D. K. Pan, W. H. W. Schwarz, J. Chem. Phys. 102, 9296 (1995) | 
 Calculation conditions | 
         |
| Version | OpenMX2.3 | 
| Basis set | (a) La9.0-s2p2d1f1, O5.0-s2p2d1 | 
| (b) La9.0-s3p3d2f2, O5.0-s3p3d2 | |
| Pseudo potential | La_GGA.vps, O_GGA.vps as scalar relativistic VPS | 
| Functional | GGA-PBE | 
| spin-orbit coupling | None | 
| Spin non-collinearity | None | 
| Ecut | 200 Ryd |