An orbital localization criterion based on the topological analysis of the electron localization function
- 25 September 2012
- journal article
- research article
- Published by Wiley in International Journal of Quantum Chemistry
- Vol. 113 (9) , 1401-1408
Abstract
This work proposes a new molecular orbital localization procedure. The approach is based on the decomposition of the overlap matrix in accordance with the partitioning of the three‐dimensional physical space into basins with clear chemical meaning arising from the topological analysis of the electron localization function. The procedure is computationally inexpensive, provides a straightforward interpretation of the resulting orbitals in terms of their localization indices and basin occupancies, and preserves the σ/π‐separability in planar N‐electron systems. The localization algorithm is tested on selected molecular systems.Keywords
Funding Information
- Consejo Nacional de Investigaciones Científicas y Técnicas, República Argentina (11220090100369, 11220090100061)
- Universidad de Buenos Aires (UBACYT 20020100100197)
- FONDECYT (11090431)
- the Spanish Ministry of Science and Innovation
- Spanish Ministry of Science and Innovation (CTQ2009-07459/BQU)
- Universidad del País Vasco (GIU09/43)
This publication has 23 references indexed in Scilit:
- Treatment of non-nuclear attractors within the theory of atoms in molecules II: Energy decompositionsChemical Physics Letters, 2006
- An orbital localization criterion based on the theory of “fuzzy” atomsJournal of Computational Chemistry, 2006
- Determination of Three-Center Bond Indices from Population Analyses: A Fuzzy Atom TreatmentThe Journal of Physical Chemistry A, 2005
- Treatments of non-nuclear attractors within the theory of atoms in moleculesChemical Physics Letters, 2005
- Partitioning of the orbital overlap matrix and the localization criteriaJournal of Mathematical Chemistry, 1991
- Isopycnic orbital transformations and localization of natural orbitalsInternational Journal of Quantum Chemistry, 1990
- A fast intrinsic localization procedure applicable for a b i n i t i o and semiempirical linear combination of atomic orbital wave functionsThe Journal of Chemical Physics, 1989
- Density Localization of Atomic and Molecular Orbitals. IThe Journal of Chemical Physics, 1972
- A Modification of the Lewis-Langmuir Octet RuleJournal of the American Chemical Society, 1961
- Canonical Configurational Interaction ProcedureReviews of Modern Physics, 1960