Experimental and quantum chemical calculational studies on 2-[(4-Fluorophenylimino)methyl]-3,5-dimethoxyphenol.

abstract：:We report a study of the structure of (+)-catechin, which belongs to the family of the flavan-3-ols-one of the five most widely distributed phenolic groups. The biological activities and pharmaceutical utility of these compounds are related to antioxidant activity due to their ability to scavenge free radicals. A brea...

journal_title：Journal of molecular modeling

authors： Bentz EN,Pomilio AB,Lobayan RM

更新日期：2014-02-01 00:00:00

abstract：:In the present work, C-F bond cleavage mediated by the super-reduced form of cobalamin (i.e., CoICbl) was theoretically studied at the ONIOM(BP86/6-311++G(d,p):PM6) + SMD level of theory. Dispersion effects were introduced by employing Grimme's empirical dispersion at the ONIOM(BP86-D/6-311++G(d,p):PM6) + SMD level. I...

journal_title：Journal of molecular modeling

authors： Cortés-Arriagada D,Toro-Labbe A,Mora JR,Rincón L,Mereau R,Torres FJ

更新日期：2017-08-17 00:00:00

abstract：:Modulation of γ-aminobutyric acid (GABA) levels has been required in various disorders. GABA itself cannot be directly introduced into central nervous system (CNS) because of the blood brain barrier; inhibition of GABA aminotransferase (GABA-AT), which degrades GABA in CNS, has been the target for the modulation of GA...

journal_title：Journal of molecular modeling

authors： Park JY,Lee Y,Lee HJ,Kwon YS,Chun W

更新日期：2020-08-11 00:00:00

abstract：:Cation-π interactions are known to be one of the strongest noncovalent forces in the gas phase, but they rarely occur in a fully solvated environment. The present work used two different ab initio molecular dynamics-based approaches to describe the correlation between the strength of the cation-π interactions and the ...

journal_title：Journal of molecular modeling

authors： Larrucea J

更新日期：2012-09-01 00:00:00

abstract：:Ab initio calculations were employed to study the role of ipso carbon hybridization in halogenated compounds RX (R=methyl, phenyl, acetyl, H and X=F, Cl, Br and I) and its interaction with a phosphorus atom, as occurs in the halogen bonded complex type RX⋯PH3. The analysis was performed using ab initio MP2, MP4 and CC...

journal_title：Journal of molecular modeling

authors： Georg HC,Fileti EE,Malaspina T

更新日期：2013-01-01 00:00:00

abstract：:Fine-tuning of magnetic states via an understanding of spin injection on the edge of graphene nanoribbons should allow for greater flexibility of the design of graphene-based spintronics. On the basis of calculations, we predict that coupling constants of the exchange interaction in the series of nitroxide-functionali...

journal_title：Journal of molecular modeling

authors： Morozov V,Tretyakov E

更新日期：2019-02-09 00:00:00

abstract：:The structures of the N-(hydroxymethyl)acetamide (model molecule of ceramide) dimers have been fully optimized at B3LYP/6-311++G** level. The intermolecular hydrogen bonding interaction energies have been calculated using the B3LYP/6-311++G**, B3LYP/6-311++G(2df,2p), MP2(full)/6-311++G** and MP2(full)/6-311++G(2df,2p)...

journal_title：Journal of molecular modeling

authors： Tang HF,Zhong H,Zhang LL,Gong MX,Song SQ,Tian QP

更新日期：2018-05-31 00:00:00

abstract：:The B3LYP/6-31G (d) method of density functional theory (DFT) was used to study molecular geometry, electronic structure, infrared spectrum (IR) and thermodynamic properties. The heat of formation (HOF) and calculated density were estimated to evaluate the detonation properties using Kamlet-Jacobs equations. Thermal s...

journal_title：Journal of molecular modeling

authors： Zhao GZ,Lu M

更新日期：2013-01-01 00:00:00

abstract：:Physical and chemical adsorption of CO2 on ZnO surfaces were studied by means of two different implementations of periodic density functional theory. Adsorption energies were computed and compared to values in the literature. In particular, it was found that the calculated equilibrium structure and internuclear distan...

journal_title：Journal of molecular modeling

authors： Farias SA,Longo E,Gargano R,Martins JB

更新日期：2013-05-01 00:00:00

abstract：:Antiamoebin I (AAM-I) and zervamicin II (Zrv-IIB) are peptaibols that exert antibiotic activity through the insertion/disruption of cell membranes. In this study, we investigated how the folding of these peptaibols are affected when some of their native residues are replaced with proline analogues and asymmetrical D-α...

journal_title：Journal of molecular modeling

authors： Castro TG,Micaêlo NM,Melle-Franco M

更新日期：2017-10-16 00:00:00

abstract：:The optical properties of polymer/solvent systems composed by the polymers P3HT and PolyeraActivInk N2200 under the present of chloroform as solvent are experimentally and theoretically investigated using UV-Vis spectroscopy, molecular dynamics (MD), and density functional theory (DFT) calculations. The study is focus...

journal_title：Journal of molecular modeling

authors： Dias Ledo RM,Leal LA,de Brito Silva PP,da Cunha WF,de Souza LE,Almeida Fonseca AL,Ceschin AM,da Silva Filho DA,Ribeiro Junior LA

更新日期：2017-02-01 00:00:00

abstract：:Understanding the structure and properties at the electrolyte-electrode interface is vital for the rational design of the supercapacitors or other electrochemical devices. In this work, we explored the influence of interlayer spacing of the MoS2 electrode on the interfacial structure and electrical properties of sodiu...

journal_title：Journal of molecular modeling

authors： Wang M,Wang Y,Li M,Wang S,He H

更新日期：2021-01-18 00:00:00

abstract：:Functionalized carbon nanotubes (CNTs) can be used for improving the mechanical properties and load transfer in nanocomposites. In this research, the buckling behavior of perfect and defective cross-linked functionalized CNTs with polyethylene (PE) chains is studied employing molecular dynamics (MD) simulations. Two d...

journal_title：Journal of molecular modeling

authors： Ajori S,Ansari R,Parsapour H

更新日期：2016-12-01 00:00:00

abstract：:The biological toxicity of uranyl ion (UO (2) (2+) ) lies in interacting with proteins and disrupting their native functions. The structural and functional consequences of UO (2) (2+) interacting with cytochrome b (5) (cyt b (5)), a small membrane heme protein, and its heme axial ligand His39Ser variant, cyt b (5) H39...

journal_title：Journal of molecular modeling

authors： Wan D,Liao LF,Zhao MM,Wu ML,Wu YM,Lin YW

更新日期：2012-03-01 00:00:00

abstract：:Human dihydrofolate reductase-like 1 (DHFRL1) has been identified as a second human dihydrofolate reductase (DHFR) enzyme. Although DHFRL1 have high sequence homology with human DHFR, dihydrofolate (DHF) exhibits a lowered binding affinity to DHFRL1 and the corresponding molecular mechanism is still unknown. To addres...

journal_title：Journal of molecular modeling

authors： Gao J,Cui W,Du Y,Ji M

更新日期：2013-12-01 00:00:00

abstract：:Beta-lactamase (ampC) in general causes the onset of antibiotic resistance in pathogenic bacteria against the β-lactam antibiotics. Morganella morganii which belongs to the Proteae tribe of the Enterobacteriaceae family is a Gram-negative bacillus. Gram-negative bacteria are the key problematic agents among the human ...

journal_title：Journal of molecular modeling

authors： Alazmi M

更新日期：2020-07-07 00:00:00

abstract：:Density functional theory (DFT) was used to investigate cobalt(0)-catalyzed intramolecular hydroacylation of 4-pentenal. The calculated results indicated the involvement of five possible reaction pathways: the formation of cyclopentanone, cyclobutanone, butylenes, cyclobutane, and cyclopropane, respectively. The forme...

journal_title：Journal of molecular modeling

authors： Meng Q,Wang F,Li M

更新日期：2013-06-01 00:00:00

abstract：:A detailed study of the structural, electronic, and optical absorption properties of crystalline 1,4-dinitrofurazano[3,4-b]piperazine (DNFP) under hydrostatic pressures of 0-100 GPa was performed using periodic density functional theory. As the pressure increases, the lattice constants and cell volumes calculated by L...

journal_title：Journal of molecular modeling

authors： Wang W,Zhu W,Li J,Cheng B,Xiao H

更新日期：2013-01-01 00:00:00

abstract：:In this paper, we theoretically studied the geometries, stabilities, and the electronic and thermodynamic properties of 4H-cyclopenta[2,1-b,3;4-b']dithiopene S-oxide derivatives (BTO-X, with X = BH(2), SiH(2), S, S=O, or O) using semi-empirical methods, ab initio methods, and density functional theory. The geometries ...

journal_title：Journal of molecular modeling

authors： Banjo S,Ayobami OO,Ajibade AI

更新日期：2012-06-01 00:00:00

abstract：:The geometries, stabilities, and electronic properties of ScBn (n = 1-12) clusters have been systematically investigated by using density functional theory B3LYP method and coupled-cluster theory CCSD(T) method. It is found that the ground state isomers of ScBn have planar or quasi-planar structure when n ≤ 6, which c...

journal_title：Journal of molecular modeling

authors： Jia J,Ma L,Wang JF,Wu HS

更新日期：2013-08-01 00:00:00

abstract：:Mechanisms for the activation of water, ammonia, and other small molecules by the PCcarbeneP nickel pincer complex were studied computationally with the aid of density functional theory. The calculation results indicate that the strongly donating, nucleophilic carbene center can engage in a variety of heterolytic spli...

journal_title：Journal of molecular modeling

authors： Liu CC,Liu QL,Wu ZY,Chen YC,Xie HJ,Lei QF,Fang WJ

更新日期：2015-09-01 00:00:00

abstract：:The Solanum lycopersicum aspartic protease inhibitor (SLAPI), which belongs to the STI-Kunitz family, is an effective inhibitor of the aspartic proteases human cathepsin D and Saccharomyces proteinase A. However, in contrast with the large number of studies on the inhibition mechanism of the serine proteases by the ST...

journal_title：Journal of molecular modeling

authors： Guerra Y,Valiente PA,Berry C,Pons T

更新日期：2012-06-01 00:00:00

abstract：:In this work, hybrid functional and G4 methods were employed in the rational design of carbonitrile-carboxaldehyde receptor models for cation recognition. Electron-sharing and ionic interactions between the models and the cations were analyzed utilizing the concepts of overlap population, atomic valence, electrostatic...

journal_title：Journal of molecular modeling

authors： Rosli AN,Abu Bakar MA,Lee VS,Zain SM,Ahmad MR,Abdul Manan NS,Alias Y,Woi PM

更新日期：2014-09-01 00:00:00

abstract：:Quantum chemical calculations on the isomerization of 24-methylenecycloartanol are described. An energetically viable mechanism, with a rate-determining protonation step, is proposed. This rearrangement may find applicability in tests for determining if an olive oil has been refined. ...

journal_title：Journal of molecular modeling

authors： Wedler HB,Pemberton RP,Lounnas V,Vriend G,Tantillo DJ,Wang SC

更新日期：2015-05-01 00:00:00

abstract：:Herbicides targeting grass plastidic acetyl-CoA carboxylase (ACCase, EC 6.4.1.2) are selectively effective against graminicides. The intensive worldwide use of this herbicide family has selected for resistance genes in a number of grass weed species. Recently, the active-site W374C mutation was found to confer multi-d...

journal_title：Journal of molecular modeling

authors： Zhu XL,Yang WC,Yu NX,Yang SG,Yang GF

更新日期：2011-03-01 00:00:00

abstract：:This article analyzes the interplay between X···N and X···X halogen bonds interactions in NCX···NCX···XCH3 complexes, where X=Cl and Br. To better understand the properties of these systems, the corresponding dyads were also studied. These effects are studied theoretically in terms of geometric and energetic features ...

journal_title：Journal of molecular modeling

authors： Esrafili MD,Vakili M,Solimannejad M

更新日期：2014-02-01 00:00:00

abstract：:To improve understanding of the unimolecular decomposition mechanism of 1,2,4-butanetriol trinitrate (BTTN) in the gas phase, density functional theory calculations were performed to determine various decomposition pathways at the B3LYP/6-311G** level. Two main mechanisms for the unimolecular decomposition of BTTN wer...

journal_title：Journal of molecular modeling

authors： Zhu W,Yan Q,Pang A,Chi X,Du X,Xiao H

更新日期：2014-02-01 00:00:00

abstract：:The formation of selenium species in some biological processes involves the generation of ionic and radical intermediates such as RSe●, RSe-, RSeO●, and RSeO-, among others. We performed a theoretical study of the possible mechanisms for the reaction of the two simplest Se radicals-the hydroselenyl (HSe●) and seleneni...

journal_title：Journal of molecular modeling

authors： Vega-Teijido MA,Kieninger M,Ventura ON

更新日期：2017-12-05 00:00:00

abstract：:Bacterial cytidylate kinase or cytidine monophosphate kinase (CMP kinase) catalyses the phosphoryl transfer from ATP to CMP and dCMP, resulting in the formation nucleoside diphosphates. In eukaryotes, CMP/UMP kinase catalyses the conversion of UMP and CMP to, respectively, UDP and CDP with high efficiency. This work d...

journal_title：Journal of molecular modeling

authors： Caceres RA,Macedo Timmers LF,Vivan AL,Schneider CZ,Basso LA,De Azevedo WF Jr,Santos DS

更新日期：2008-05-01 00:00:00

abstract：:The effect of crystal modifier 2,2',4,4',6,6'-hexanitrostillbene(HNS) on the reinforcement of crystalline 1,3,5-trinitrotoluene (TNT) was investigated by molecular simulation. The intermolecular interactions between HNS and TNT were revealed by quantum chemistry calculations in detail, strong attractive forces were fo...

journal_title：Journal of molecular modeling

authors： Qian W,Shu Y,Li H,Ma Q

更新日期：2014-10-01 00:00:00