All-electron basis sets augmented with diffuse functions for He, Ca, Sr, Ba, and lanthanides: application in calculations of atomic and molecular properties

Non-relativistic and Douglas-Kroll-Hess (DKH) basis sets augmented with diffuse functions for He, Ca, Sr, Ba, and lanthanides are generated. These sets are appropriated to describe electrons away from the nuclei. Using the DKH augmented sets along with the B3LYP functional, bond lengths, dissociatio...

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Veröffentlicht in:Journal of molecular modeling 2020-04, Vol.26 (5), p.95-95, Article 95
Hauptverfasser: Ferreira, I. B., Campos, C. T., Jorge, F. E.
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creator Ferreira, I. B.
Campos, C. T.
Jorge, F. E.
description Non-relativistic and Douglas-Kroll-Hess (DKH) basis sets augmented with diffuse functions for He, Ca, Sr, Ba, and lanthanides are generated. These sets are appropriated to describe electrons away from the nuclei. Using the DKH augmented sets along with the B3LYP functional, bond lengths, dissociation energies, harmonic vibrational frequencies, adiabatic ionization potentials, adiabatic electron affinities, and dipole moments for CaH, SrH, and BaH are computed. These results agree well with the most recent experimental and benchmark theoretical data published in the literature. The DKH mean dipole polarizabilities reported in this work for some elements are close to the recommended values. Scalar relativistic effects are also estimated.
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subjects Adiabatic flow
Barium
Calcium
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Computer Appl. in Life Sciences
Computer Applications in Chemistry
Dipole moments
Ionization potentials
Lanthanides
Molecular Medicine
Molecular properties
Original Paper
Relativistic effects
Strontium
Theoretical and Computational Chemistry
title All-electron basis sets augmented with diffuse functions for He, Ca, Sr, Ba, and lanthanides: application in calculations of atomic and molecular properties
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