Results 11 to 20 of about 15,459,849 (275)

Current status of ab initio quantum chemistry study for oxygen electroreduction on fuel cell catalysts

open access: yesElectrochimica Acta, 2006
Recent progress in the ab initio quantum chemistry study of cathode oxygen reduction on fuel cell catalysts is reviewed with emphasis on density functional theory and ab initio molecular dynamics methods. The capabilities of these methods are illustrated
David P Wilkinson   +2 more
exaly   +2 more sources

The density matrix renormalization group for ab initio quantum chemistry [PDF]

open access: yesEuropean Physical Journal D, 2014
During the past 15 years, the density matrix renormalization group (DMRG) has become increasingly important for ab initio quantum chemistry. Its underlying wavefunction ansatz, the matrix product state (MPS), is a low-rank decomposition of the full ...
Sebastian Wouters
exaly   +2 more sources

Ab initio and density functional theory study of the Monsanto catalytic cycle. [PDF]

open access: yes, 1997
The results of an effective core potential ab initio and Density Functional Theory (DFT) quantum mechanical study of the rhodium- and iodide- catalysed Monsanto acetic acid cycle are presented.
Griffin, Tim Robert
core   +6 more sources

Reduced dimensionality spin-orbit dynamics of CH3 + HCl reversible arrow CH4 Cl on ab initio surfaces [PDF]

open access: yes, 2011
A reduced dimensionality quantum scattering method is extended to the study of spin-orbit nonadiabatic transitions in the CH3 + HCl reversible arrow CH4 + Cl(P-2(J)) reaction.
Simon T. Banks   +9 more
core   +1 more source

Theoretical Investigation of Geometries and Bonding of Indium Hydrides in the In2Hx and In3Hy (x = 0–4,6; y = 0–5) Series

open access: yesMolecules, 2022
Boron hydrides have been an object of intensive theoretical and experimental investigation for many decades due to their unusual and somewhat unique bonding patterns.
Anton S. Pozdeev   +3 more
doaj   +1 more source

Simulations of proton transfer processes using reactive force fields [PDF]

open access: yes, 2006
Within this thesis we presented the development of reactive force fields that are ca- pable to describe the dynamics of proton and hydrogen atom transfer processes.
Lammers, Sven
core   +1 more source

Numerical methods in understanding reaction pathways NOx oxidation

open access: yesBudownictwo i Architektura, 2016
Different quantum chemical models were applied in energetic analysis of process of oxidation of NO and NO2 through reaction with ozone generated by non-thermal equilibrium (low temperature), atmospheric pressure plasma.
Justyna Jaroszyńska-Wolińska   +1 more
doaj   +1 more source

Ab initio solution of the many-electron Schrödinger equation with deep neural networks

open access: yesPhysical Review Research, 2020
Given access to accurate solutions of the many-electron Schrödinger equation, nearly all chemistry could be derived from first principles. Exact wave functions of interesting chemical systems are out of reach because they are NP-hard to compute in ...
David Pfau   +3 more
doaj   +1 more source

Ab initio melting curve of the fcc phase of aluminum [PDF]

open access: yes, 2002
The melting curve of the face-centered cubic (fcc) phase of aluminum has been determined from 0 to similar to150 GPa using first-principles calculations of the free energies of both the solid and liquid.
Alfe D, Vocadlo, L, Alfe, D, Vocadlo L
core   +1 more source

Kylin 1.0: An Ab-Initio Density Matrix Renormalization Group Quantum Chemistry Program [PDF]

open access: yes, 2022
The accurate evaluation of electron correlations is highly necessary for the proper descriptions of the electronic structures in strongly correlated molecules, ranging from bond-dissociating molecules, polyradicals, to large conjugated molecules and ...
Yinxuan, Song   +9 more
core   +1 more source

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