| Reference Label | Details |
|---|---|
| note unc2 | The originally quoted uncertainty appeared to be underestimated and was multiplied by a factor of 2 to come closer to the desired 95% confidence limit |
| Martin 1998a | J. M. L. Martin, Chem. Phys. Lett. 292, 411 (1998) |
| Martin 1997a | J. M. L. Martin, Chem. Phys. Lett. 273, 98 (1997) |