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Hoyer CE, Xu X, Ma D, et al. Diabatization based on the dipole and quadrupole: the DQ method. J Chem Phys. 2014;141(11):114104doi: 10.1063/1.4894472.
Hoyer, C. E., Xu, X., Ma, D., Gagliardi, L., & Truhlar, D. G. (2014). Diabatization based on the dipole and quadrupole: the DQ method. The Journal of chemical physics, 141(11), 114104. https://doi.org/10.1063/1.4894472
Hoyer, Chad E, et al. "Diabatization based on the dipole and quadrupole: the DQ method." The Journal of chemical physics vol. 141,11 (2014): 114104. doi: https://doi.org/10.1063/1.4894472
Hoyer CE, Xu X, Ma D, Gagliardi L, Truhlar DG. Diabatization based on the dipole and quadrupole: the DQ method. J Chem Phys. 2014 Sep 21;141(11):114104. doi: 10.1063/1.4894472. PMID: 25240342.
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J Chem Phys. 2014 Sep 21;141(11):114104. doi: 10.1063/1.4894472.

Diabatization based on the dipole and quadrupole: the DQ method.

The Journal of chemical physics

Chad E Hoyer, Xuefei Xu, Dongxia Ma, Laura Gagliardi, Donald G Truhlar

Affiliations

  1. Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, USA.

PMID: 25240342 DOI: 10.1063/1.4894472

Abstract

In this work, we present a method, called the DQ scheme (where D and Q stand for dipole and quadrupole, respectively), for transforming a set of adiabatic electronic states to diabatic states by using the dipole and quadrupole moments to determine the transformation coefficients. It is more broadly applicable than methods based only on the dipole moment; for example, it is not restricted to electron transfer reactions, and it works with any electronic structure method and for molecules with and without symmetry, and it is convenient in not requiring orbital transformations. We illustrate this method by prototype applications to two cases, LiH and phenol, for which we compare the results to those obtained by the fourfold-way diabatization scheme.

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