title: ONIOM-based QM:QM electronic embedding method using Löwdin atomic charges: energies and analytic gradients.
authors.affiliation: Department of Chemistry, Indiana University, Boomington, Indiana 47405, USA.
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Mayhall
authors.forename: Krishnan
authors.initials: K
authors.lastname: Raghavachari
authors.forename: Hrant P
authors.initials: HP
authors.lastname: Hratchian