Computational chemistry

EG Lewars - Introduction to the theory and applications of molecular …, 2011 - Springer
Every attempt to employ mathematical methods in the study of chemical questions must be
considered profoundly irrational and contrary to the spirit of chemistry. If mathematical …

Chemical bonding dictates drastic critical temperature difference in two seemingly identical superconductors

RH Lavroff, J Munarriz, CE Dickerson… - Proceedings of the …, 2024 - National Acad Sciences
Though YB6 and LaB6 share the same crystal structure, atomic valence electron
configuration, and phonon modes, they exhibit drastically different phonon-mediated …

[PDF][PDF] Mystery of three borides: Differential metal–boron bonding governing superhard structures

PJ Robinson, G Liu, S Ciborowski… - Chemistry of …, 2017 - escholarship.org
Some transition metal borides are ultra hard. While not harder than diamond, they are easier
to process and can be cheaper, sparking intense interest. However, we so far cannot predict …

Chemical bond overlap descriptors from multiconfiguration wavefunctions

CV Santos‐Jr, E Kraka… - Journal of Computational …, 2025 - Wiley Online Library
The chemical bond is a fundamental concept in chemistry, and various models and
descriptors have evolved since the advent of quantum mechanics. This study extends the …

Theoretical study on the hydrogenation of furfural for furfuryl alcohol production over low Ni modified Cu catalysts

HZ Chen, J Liu, TG Mi, YW Wu, B Hu, XY Zhou… - Applied Surface …, 2023 - Elsevier
Cu-based catalysts are efficient for the upgrading of biomass-derived furfural (FF) to produce
furfuryl alcohol (FOL), and a low amount of Ni doping is promising to improve the catalytic …

Estimating local bonding/antibonding character of canonical molecular orbitals from their energy derivatives. The case of coordinating lone pair orbitals

P Chaquin, Y Canac, C Lepetit… - … Journal of Quantum …, 2016 - Wiley Online Library
According to Koopmans theorem, the derivative of the energy of a canonical molecular
orbital (MO) with respect to nuclear coordinates quantifies its bonding/antibonding character …

Strain to alter the covalency and superconductivity in transition metal diborides

H Zhai, F Munoz, AN Alexandrova - Journal of Materials Chemistry C, 2019 - pubs.rsc.org
Among layered metal diborides, MB2, only MgB2 is a superconductor. We explicate the
details of the chemical bonding in the diboride series, and, based on those, propose a …

The “Inverted Bonds” Revisited: Analysis of “In Silico” Models and of [1.1. 1] Propellane by Using Orbital Forces

R Laplaza, J Contreras‐Garcia, F Fuster… - … A European Journal, 2020 - Wiley Online Library
This article dwells on the nature of “inverted bonds”, which refer to the σ interaction between
two sp hybrids by their smaller lobes, and their presence in [1.1. 1] propellane. Firstly, we …

Simple method for the hardness estimation of inorganic crystals by the bond valence model

X Liu, H Wang, W Wang, Z Fu - Inorganic Chemistry, 2016 - ACS Publications
On the basis of the bond valence model, an empirical hardness estimation of inorganic
crystals using a simple formula is presented. A new scale, the resistant force per unit area of …

Orbital energies and nuclear forces in DFT: Interpretation and validation

R Laplaza, C Cardenas, P Chaquin… - Journal of …, 2021 - Wiley Online Library
The bonding and antibonding character of individual molecular orbitals has been previously
shown to be related to their orbital energy derivatives with respect to nuclear coordinates …