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A Quantum Finite Automata Approach to Modeling the Chemical Reactions [PDF]

open access: yesFrontiers in Physics, 2020
In recent years, the modeling interest has increased significantly from molecular level to atomic and quantum levels. Computational chemistry plays a significant role in designing computational models for the operation and simulation of systems ranging ...
Amandeep Singh Bhatia, Shenggen Zheng
doaj   +6 more sources

Recent Trends in Quantum Chemical Modeling of Enzymatic Reactions [PDF]

open access: yesJournal of the American Chemical Society, 2017
The quantum chemical cluster approach is a powerful method for investigating enzymatic reactions. Over the past two decades, a large number of highly diverse systems have been studied and a great wealth of mechanistic insight has been developed using this technique. This Perspective reviews the current status of the methodology.
Fahmi Himo
exaly   +4 more sources

Towards Quantum-Chemical Modeling of the Activity of Anesthetic Compounds. [PDF]

open access: yesInt J Mol Sci, 2021
The modeling of the activity of anesthetics is a real challenge because of their unique electronic and structural characteristics. Microscopic approaches relevant to the typical features of these systems have been developed based on the advancements in the theory of intermolecular interactions.
Cukras J, Sadlej J.
europepmc   +4 more sources

Quantum Chemical Modeling of Hydrogen Bonding in Ionic Liquids. [PDF]

open access: yesTop Curr Chem (Cham), 2017
Hydrogen bonding (H-bonding) is an important and very general phenomenon. H-bonding is part of the basis of life in DNA, key in controlling the properties of water and ice, and critical to modern applications such as crystal engineering, catalysis applications, pharmaceutical and agrochemical development.
Hunt PA.
europepmc   +6 more sources

QUANTUM-CHEMICAL MODELING BI CLUSTERS [PDF]

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2011
In this paper results of calculations by quantum-chemical methods of structure and power parameters of nanoclusters of bismuth Bi8, Bi18, Bi50, Bi98, Bi162 are presented.
E.N. Gribanov   +2 more
doaj   +1 more source

Scaling active spaces in simulations of surface reactions through sample-based quantum diagonalization [PDF]

open access: yesScientific Reports
Quantum-chemical simulations are essential for predicting energies of chemical reactions. Accurately solving the many-body Schrödinger equation for reagent and product states of most relevant chemical processes is, however, unfeasible.
Marco Antonio Barroca   +8 more
doaj   +2 more sources

Quantum chemical modeling of alkane 2D monolayer formation on graphene

open access: yesJCIS Open
The paper presents a quantum chemical approach for assessment of the thermodynamic parameters of association for alkanes CnH2n+2 (n = 6–14) and polyaromatic hydrocarbons (PAH) of the coronene series as model structures of the graphene surface within the ...
E.S. Kartashynska
doaj   +2 more sources

Quantum Chemical Approaches to the Calculation of NMR Parameters: From Fundamentals to Recent Advances

open access: yesMagnetochemistry, 2022
Quantum chemical methods for the calculation of indirect NMR spin–spin coupling constants and chemical shifts are always in progress. They never stay the same due to permanently developing computational facilities, which open new perspectives and create ...
Irina L. Rusakova
doaj   +1 more source

Biodiesel fuel. Part III. Quantum chemical research and simulation of the process

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2023
THE PURPOSE. The purpose of this work was to use the associated paradigm for a correct quantum-chemical description of non-catalytic and catalytic supercritical fluid processes of transesterification of triglycerides with alcohols and hydrolysis of ...
S. V. Mazanov   +7 more
doaj   +1 more source

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