Density‐functional tight binding—an approximate density‐functional theory method

G Seifert, JO Joswig - Wiley Interdisciplinary Reviews …, 2012 - Wiley Online Library
In this paper, we review the foundations of the density‐functional tight‐binding (DFTB)
method. The method is based on the density‐functional theory as formulated by Hohenberg …

Imogolite nanotubes: stability, electronic, and mechanical properties

L Guimarães, AN Enyashin, J Frenzel, T Heine… - Acs Nano, 2007 - ACS Publications
The aluminosilicate mineral imogolite is composed of single-walled nanotubes with
stoichiometry of (HO) 3Al2O3SiOH and occurs naturally in soils of volcanic origin. In the …

Efficient and reliable numerical integration of exchange-correlation energies and potentials

AM Köster, R Flores-Moreno… - The Journal of chemical …, 2004 - pubs.aip.org
The development of molecular density functional theory DFT methods has considerably
simplified molecular electronic structure calculations. Using the variational fitting of the …

Synthesis and Structure of Quasi-One-Dimensional Niobium Tetrasulfide NbS4

A Poltarak, P Poltarak, A Enyashin, V Komarov… - Inorganic …, 2022 - ACS Publications
The binary niobium sulfide NbS4 was synthesized as a crystalline phase. We showed that
NbS4 can be formed from Nb metal, from defect niobium sulfide Nb1. 14S2, or from some …

Subsystem-DFT potential-energy curves for weakly interacting systems

D Schlüns, K Klahr, C Mück-Lichtenfeld… - Physical Chemistry …, 2015 - pubs.rsc.org
Kohn–Sham density-functional theory (DFT) within the local-density approximation (LDA) or
the generalized-gradient approximation (GGA) is known to fail for the correct description of …

13C NMR fingerprint characterizes long time‐scale structure of Sc3N@C80 endohedral fullerene

T Heine, K Vietze, G Seifert - Magnetic Resonance in …, 2004 - Wiley Online Library
Abstract 13C NMR chemical shifts of Sc3N@ C80 were computed using quantum Born–
Oppenheimer molecular dynamics simulations, followed by DFT‐NMR calculations on a …

Stretching and breaking of monolayer MoS2—an atomistic simulation

T Lorenz, JO Joswig, G Seifert - 2D Materials, 2014 - iopscience.iop.org
We report on the simulation of the nanoindentation process of monolayer MoS 2 using
molecular-dynamics simulations and a density-functional based tight-binding method. A …

Equilibrium geometries of noncovalently bound intermolecular complexes derived from subsystem formulation of density functional theory

M Dułak, JW Kamiński… - Journal of chemical theory …, 2007 - ACS Publications
The subsystem formulation of density functional theory is used to obtain equilibrium
geometries and interaction energies for a representative set of noncovalently bound …

Importance of the intermolecular pauli repulsion in embedding calculations for molecular properties: The case of excitation energies for a chromophore in hydrogen …

G Fradelos, TA Wesołowski - The Journal of Physical Chemistry A, 2011 - ACS Publications
In embedding methods such as those labeled commonly as QM/MM, the embedding
operator is frequently approximated by the electrostatic potential generated by nuclei and …

29Si NMR chemical shifts of silane derivatives

C Corminbœuf, T Heine, J Weber - Chemical physics letters, 2002 - Elsevier
Geometries and 29Si NMR chemical shifts are calculated for silanes SinH2n+ 2, n= 1,…, 5,
methylsilanes SiHnMe4− n, methoxysilanes SiHn (OMe) 4− n, and methylmethoxysilanes …