PQS version 4.0, Parallel Quantum Solutions. Fayetteville, AR: LLC; Available at: http://www.pqs‐chem.com.

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Wolinski, K,Baker, J.Geometry optimization in the presence of external forces: a theoretical model for enforced structural changes in molecules.Mol Phys2010,108:1845–1856.

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Janowski, T,Pulay, P.High accuracy benchmark calculations on the benzene dimer potential energy surface.Chem Phys Lett2007,447:27–32.

Pitonak, M,Janowski, T,Neogrady, P,Pulay, P,Hobza, P.Convergence of the CCSD(T) correction term for the stacked complex methyl‐adenine–methyl‐thymine: comparison with lower‐cost alternatives.J Chem Theory Comput2009,5:1761–1766.

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Janowski, T,Pulay, P.Efficient calculation of the energy of a molecule in an arbitrary electric field.Int J Quantum Chem2009,109:2113–2120.