The interpretation of XPS spectra: Insights into materials properties

PS Bagus, ES Ilton, CJ Nelin - Surface Science Reports, 2013 - Elsevier
We review basic and advanced concepts needed for the correct analysis of XPS features.
We place these concepts on rigorous foundations and explore their physical and chemical …

Comparison of DFT methods for molecular orbital eigenvalue calculations

G Zhang, CB Musgrave - The journal of physical chemistry A, 2007 - ACS Publications
We report how closely the Kohn− Sham highest occupied molecular orbital (HOMO) and
lowest unoccupied molecular orbital (LUMO) eigenvalues of 11 density functional theory …

Band gaps of crystalline solids from Wannier-localization–based optimal tuning of a screened range-separated hybrid functional

D Wing, G Ohad, JB Haber, MR Filip… - Proceedings of the …, 2021 - National Acad Sciences
Accurate prediction of fundamental band gaps of crystalline solid-state systems entirely
within density functional theory is a long-standing challenge. Here, we present a simple and …

Fundamental and excitation gaps in molecules of relevance for organic photovoltaics from an optimally tuned range-separated hybrid functional

S Refaely-Abramson, R Baer, L Kronik - Physical Review B—Condensed …, 2011 - APS
The fundamental and optical gaps of relevant molecular systems are of primary importance
for organic-based photovoltaics. Unfortunately, whereas optical gaps are accessible with …

How Large Should the QM Region Be in QM/MM Calculations? The Case of Catechol O-Methyltransferase

HJ Kulik, J Zhang, JP Klinman… - The Journal of Physical …, 2016 - ACS Publications
Hybrid quantum mechanical–molecular mechanical (QM/MM) simulations are widely used in
studies of enzymatic catalysis. Until recently, it has been cost prohibitive to determine the …

A new equation for calculation of chemical hardness of groups and molecules

S Kaya, C Kaya - Molecular Physics, 2015 - Taylor & Francis
Chemical hardness is considered to be a useful theoretical descriptor in many experimental
and theoretical studies and this concept has several important applications in chemistry. In …

Quantifying charge transfer energies at donor–acceptor interfaces in small-molecule solar cells with constrained DFTB and spectroscopic methods

R Scholz, R Luschtinetz, G Seifert… - Journal of physics …, 2013 - iopscience.iop.org
Charge transfer states around the donor–acceptor interface in an organic solar cell
determine the device performance in terms of the open circuit voltage. In the present work …

Experimental and density functional theory (MEP, FMO, NLO, Fukui functions) and antibacterial activity studies on 2-amino-4-(4-nitrophenyl)-5, 6-dihydrobenzo [h] …

S Uzun, Z Esen, E Koç, NC Usta, M Ceylan - Journal of Molecular Structure, 2019 - Elsevier
In this present work, the target compound, 2-amino-4-(4-nitrophenyl)− 5, 6-dihydrobenzo [h]
quinoline-3-carbonitrile, has been synthesized and characterized by FT-IR, 1 H-NMR, 13 C …

Improving the global electrophilicity index (GEI) as a measure of Lewis acidity

AR Jupp, TC Johnstone, DW Stephan - Inorganic chemistry, 2018 - ACS Publications
The global electrophilicity index (GEI) has been further explored as a general and base-free
metric for Lewis acidity. A number of computational methods, including post-Hartree–Fock …

Alkali metals decorated silicon clusters (SinMn, n= 6, 10; M= Li, Na) as potential hydrogen storage materials: A DFT study

A Jaiswal, RK Sahoo, SS Ray, S Sahu - International Journal of Hydrogen …, 2022 - Elsevier
In this article, we have studied hydrogen storage properties of alkali-metal decorated silicon
clusters (Si n M n, n= 6, 10; M= Li, Na) using density functional theory (DFT). The electronic …