Results 1 to 10 of about 37,241 (157)

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   +5 more sources

Quantum Chemical Modeling of the Photoinduced Activity of Multichromophoric Biosystems. [PDF]

open access: yesChem Rev, 2019
Multichromophoric biosystems represent a broad family with very diverse members, ranging from light-harvesting pigment-protein complexes to nucleic acids. The former are designed to capture, harvest, efficiently transport, and transform energy from sunlight for photosynthesis, while the latter should dissipate the absorbed radiation as quickly as ...
Segatta F   +3 more
europepmc   +5 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 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

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 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

A scalable and quantum-accurate foundation model for biomolecular force fields via linearly tensorized quadrangle attention [PDF]

open access: yesNature Communications
Accurate atomistic biomolecular simulations are vital for understanding disease mechanisms and drug discovery, yet existing methods struggle to balance quantum-mechanical accuracy with computational scalability.
Qun Su   +13 more
doaj   +2 more sources

A quantum chemical dataset of interacting molecular pairs for chemical reaction studies [PDF]

open access: yesJournal of Cheminformatics
Understanding molecular interactions beyond single-molecule properties is critical for studying real-world chemical systems. Quantum chemical calculations of molecule–molecule interactions are computationally demanding, making large, publicly available ...
Seunghun Jang, Gyoung S. Na
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

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