Contains the keyword open-shell systems

Nedd SA, DeYonker NJ, Wilson AK, Piecuch P, Gordon MS. Incorporating a completely renormalized coupled cluster approach into a composite method for thermodynamic properties and reaction paths. J Chem Phys. 2012;136:144109. Abstract

Arora P, Li W, Piecuch P, Evans JW, Albao M, Gordon MS. Diffusion of Atomic Oxygen on the Si(100) Surface. Journal of Physical Chemistry C. 2010;114:12649-58. Abstract

Glaesemann KR, Schmidt MW. On the Ordering of Orbital Energies in High-Spin ROHF. Journal of Physical Chemistry A. 2010;114:8772-7. Abstract