Chemical Physics, volume 210, issue 3, pages 413-425

Density functional based structure optimization for molecules containing heavy elements: analytical energy gradients for the Douglas-Kroll-Hess scalar relativistic approach to the LCGTO-DF method

Publication typeJournal Article
Publication date1996-10-01
Journal: Chemical Physics
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor2.3
ISSN03010104
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
The self-consistent scalar-relativistic linear combination of Gaussian-type orbitals density functional (LCGTO-DF) method has been extended to calculate analytical energy gradients. The method is based on the use of a unitary second order Douglas-Kroll-Hess (DKH) transformation for decoupling large and small components of the full four-component Dirac-Kohn-Sham equation. The approximate DKH transformation most common in molecular calculations has been implemented; this variant employs nuclear potential based projectors and it leaves the electron-electron interaction untransformed. Examples are provided for the geometry optimization of a series of heavy metal systems which feature a variety of metal-ligand bonds, like Au2, AuCl, AuH, Mo(CO)6 and W(CO)6 as well as the d10 complexes [Pd(PH3)2O2] and [Pt(PH3)2O2]. The calculated results, obtained with several gradient-corrected exchange-correlation potentials, compare very well with experimental data and they are of similar or even better accuracy than those of other high quality relativistic calculations reported so far.

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Nasluzov V. A., Rösch N., Rösch N. Density functional based structure optimization for molecules containing heavy elements: analytical energy gradients for the Douglas-Kroll-Hess scalar relativistic approach to the LCGTO-DF method // Chemical Physics. 1996. Vol. 210. No. 3. pp. 413-425.
GOST all authors (up to 50) Copy
Nasluzov V. A., Rösch N., Rösch N. Density functional based structure optimization for molecules containing heavy elements: analytical energy gradients for the Douglas-Kroll-Hess scalar relativistic approach to the LCGTO-DF method // Chemical Physics. 1996. Vol. 210. No. 3. pp. 413-425.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/0301-0104(96)00137-1
UR - https://doi.org/10.1016%2F0301-0104%2896%2900137-1
TI - Density functional based structure optimization for molecules containing heavy elements: analytical energy gradients for the Douglas-Kroll-Hess scalar relativistic approach to the LCGTO-DF method
T2 - Chemical Physics
AU - Nasluzov, Vladimir A
AU - Rösch, Notker
AU - Rösch, Notker
PY - 1996
DA - 1996/10/01 00:00:00
PB - Elsevier
SP - 413-425
IS - 3
VL - 210
SN - 0301-0104
ER -
BibTex |
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BibTex Copy
@article{1996_Nasluzov,
author = {Vladimir A Nasluzov and Notker Rösch and Notker Rösch},
title = {Density functional based structure optimization for molecules containing heavy elements: analytical energy gradients for the Douglas-Kroll-Hess scalar relativistic approach to the LCGTO-DF method},
journal = {Chemical Physics},
year = {1996},
volume = {210},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016%2F0301-0104%2896%2900137-1},
number = {3},
pages = {413--425},
doi = {10.1016/0301-0104(96)00137-1}
}
MLA
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MLA Copy
Nasluzov, Vladimir A., et al. “Density functional based structure optimization for molecules containing heavy elements: analytical energy gradients for the Douglas-Kroll-Hess scalar relativistic approach to the LCGTO-DF method.” Chemical Physics, vol. 210, no. 3, Oct. 1996, pp. 413-425. https://doi.org/10.1016%2F0301-0104%2896%2900137-1.
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