Theoretical study of interactions between electron-deficient arenes and coinage metal anions.

abstract：:The hydrogen bonding interactions between noradrenaline (NA) and DMSO were studied with density functional theory (DFT) regarding their geometries, energies, vibrational frequencies, and topological features of the electron density. The quantum theory of atoms in molecules (QTAIM) and the natural bond orbital (NBO) an...

journal_title：Journal of molecular modeling

authors： Huang Z,Dai Y,Yu L,Wang H

更新日期：2011-10-01 00:00:00

abstract：:The present study deals with the decomposition of CF(3)OCF(2)O radical formed from a hydrofluoroether, CF(3)OCHF(2) (HFE-125), in the atmosphere. The study is performed using ab initio quantum mechanical methods. Two plausible pathways of decomposition of the titled species have been considered, one involving C-O bond...

journal_title：Journal of molecular modeling

authors： Singh HJ,Mishra BK

更新日期：2011-03-01 00:00:00

abstract：:Eleven 1,4-naphthoquinone analogues with different amino substitutions at position 3 of the quinone ring earlier reported for macrofilaricidal activity were selected and screened against purified cytosolic GST isolated from the bovine filarial worm Setaria digitata and IC(50) values were determined. Of the 11 compound...

journal_title：Journal of molecular modeling

authors： Mathew N,Srinivasan L,Karunan T,Ayyanar E,Muthuswamy K

更新日期：2011-10-01 00:00:00

abstract：:4-hydroxybenzoate oligoprenyltransferase of E. coli, encoded in the gene ubiA, is an important key enzyme in the biosynthetic pathway to ubiquinone. It catalyzes the prenylation of 4-hydroxybenzoic acid in position 3 using an oligoprenyl diphosphate as a second substrate. Up to now, no X-ray structure of this oligopre...

journal_title：Journal of molecular modeling

authors： Bräuer L,Brandt W,Wessjohann LA

更新日期：2004-12-01 00:00:00

abstract：:In recent years, it has become clear that the neuronal nicotinic acetylcholine receptor (nAChR) is a valid target in the treatment of a variety of diseases, including Alzheimer's disease, anxiety, and nicotine addiction. As with most membrane proteins, information on the three-dimensional (3D) structure of nAChR is li...

journal_title：Journal of molecular modeling

authors： Bisson WH,Westera G,Schubiger PA,Scapozza L

更新日期：2008-10-01 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：:Uracil has long been known as the main product of nitrosative cytosine deamination in aqueous solution. Recent mechanistic studies of cytosinediazonium ion suggest that the cation formed by its dediazoniation can ring-open to N-protonated (Z,s-cis)-3-isocyanatoacrylonitrile 7. Stereochemical preferences are discussed ...

journal_title：Journal of molecular modeling

authors： Glaser R,Wu H,von Saint Paul F

更新日期：2006-07-01 00:00:00

abstract：:A good understanding of the inhibition mechanism of enzymes exhibiting high levels of similarity is the first step to the discovery of new drugs with selective potential. Examples of such proteins include glycogen synthase kinase-3 (GSK-3β) and cyclin-dependent kinase 2 (CDK-2). This article reports the mechanism of s...

journal_title：Journal of molecular modeling

authors： Czeleń P

更新日期：2017-08-01 00:00:00

abstract：:A practical mixed basis set was developed to facilitate accurate calculations of potential energy surfaces for π-stacking interactions. Correlation consistent basis sets (cc-PVXZ) were augmented by p-type Gaussian functions placed above and below the planes of C6 moieties. Møller-Plesset (MP2, SCS-MP2) and coupled clu...

journal_title：Journal of molecular modeling

authors： Yurtsever E

更新日期：2015-01-01 00:00:00

abstract：:Cyclic nucleotide binding domain (CNBD) is a ubiquitous domain of effector proteins involved in signalling cascades of prokaryota and eukaryota. CNBD activation by cyclic nucleotide monophosphate (cNMP) is studied well in the case of several proteins. However, this knowledge is hardly applicable to cNMP-modulated cati...

journal_title：Journal of molecular modeling

authors： Gushchin IY,Gordeliy VI,Grudinin S

更新日期：2012-09-01 00:00:00

abstract：:Here, we report theoretical research into the interaction of the drug tamoxifen drug with tripeptides found in the tumor environment-specifically, asparagine-glycine-arginine (NGR) and arginine-glycine-aspartic acid (RGD). Reactivity parameters of these tripeptides were calculated and their intrinsic reactivities and ...

journal_title：Journal of molecular modeling

authors： Landeros-Martínez LL,Glossman-Mitnik D,Flores-Holguín N

更新日期：2018-11-09 00:00:00

abstract：:Four clusters of ZnO, O-Zn-SR (-SR = ligand) and doping ZnO structures (with Cr, Cu, Al atoms) were investigated using density functional theory at theB3LYP/Lanl2dz level. The characteristics of Zn(3)O(3) and Zn(4)O(4) structures, which are the units of experimental wurtzite and zinc blende structures, were found to b...

journal_title：Journal of molecular modeling

authors： Wang C,Xu S,Ye L,Lei W,Cui Y

更新日期：2011-05-01 00:00:00

abstract：:Although there are a multitude of aromaticity indexes, only a few have a widespread usage. All famous aromaticity indexes are limited: HOMA and FLU are reference-dependent; ELF is π-bond-dependent; PDI is structurally dependent and NICS is ring size dependent. These limitations stimulate the continuous search for bett...

journal_title：Journal of molecular modeling

authors： Firme CL,Araújo DM

更新日期：2017-09-01 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：:A series of no-chlorine and oxygen-rich hydrazine derivatives (hydrazine modified with -NO₂ and NO₃(-) groups) was designed and optimized to obtain molecular geometries and electronic structures at density functional theory-B3PW91/6-311++G(3df,3pd) level. Some important properties such as bond dissociation enthalpy, d...

journal_title：Journal of molecular modeling

authors： Wang PC,Zhu ZS,Xu J,Zhao XJ,Lu M

更新日期：2013-06-01 00:00:00

abstract：:Ethanol and water are the solvents most commonly used to extract flavonoids from propolis. Do hydrogen-bonding interactions exist between flavonoids and ethanol/water? In this work, this question was addressed by using density functional theory (DFT) to provide information on the hydrogen-bonding interactions between ...

journal_title：Journal of molecular modeling

authors： Zheng YZ,Zhou Y,Liang Q,Chen DF,Guo R

更新日期：2016-04-01 00:00:00

abstract：:An electronic study of nimesulide was performed by using density functional theory calculations. The activities of the six different derivatives were related with electron donating or accepting capacities. All compounds which had nitro moiety had low electron donating and high electron accepting capacities. However, t...

journal_title：Journal of molecular modeling

authors： Borges RS,Oliveira JP,Matos RF,Chaves Neto AM,Carneiro AS,Monteiro MC

更新日期：2015-07-01 00:00:00

abstract：:A theoretical study of the photoluminescence (PL) of double-walled carbon nanotubes (DWCNTs) using density functional theory (DFT) theory is reported in this work. The DWCNTs are of the armchair/armchair type and the structures studied have the arrangements (3,3)/(2,2), (8,8)/(4,4), (12,12)/(6,6), (16,16)/(8,8), (6,6)...

journal_title：Journal of molecular modeling

authors： Victoria APR,de la Luz ADH,Juárez JM,Espinosa-Torres ND,Robles-Águila MJ,López JAL,Juárez-Díaz G

更新日期：2019-08-26 00:00:00

abstract：:A comparative theoretical investigation into the change in strength of the trigger-bond upon formation of the Na(+), Mg(2+) and HF complexes involving the nitro group of RNO₂ (R = -CH₃, -NH₂, -OCH₃) or the C = C bond of (E)-O₂N-CH = CH-NO₂ was carried out using the B3LYP and MP2(full) methods with the 6-311++G**, 6-31...

journal_title：Journal of molecular modeling

authors： Zhang L,Ren FD,Cao DL,Wang JL,Gao JF

更新日期：2013-06-01 00:00:00

abstract：:The molecular geometry, vibrational frequencies, gauge including atomic orbital (GIAO) (1)H and (13)C chemical shift values and several thermodynamic parameters of 5-(2-Hydroxyphenyl)-4-(p-tolyl)-2,4-dihydro-1,2,4-triazole-3-thione in the ground state have been calculated by using the Hartree-Fock (HF) and density fun...

journal_title：Journal of molecular modeling

authors： Dinçer M,Avci D,Sekerci M,Atalay Y

更新日期：2008-09-01 00:00:00

abstract：:Six nitramines (N1-6) were designed with all possible arrangements of N-NO2 groups on a cyclic skeleton and structural optimization was performed using the density functional theory (DFT). We observed that all nitramines have high positive heats of formation proportionate to the number of N-NO2 groups in their molecul...

journal_title：Journal of molecular modeling

authors： Devi A,Deswal S,Dharavath S,Ghule VD

更新日期：2015-11-01 00:00:00

abstract：:The quinolinol derivatives clioquinol (5-chloro-7-iodo-8-quinolinol, Quinoform) and cloxiquine (5-chloro-8-quinolinol) were studied experimentally in the solid state via ³⁵Cl NQR, ¹H-¹⁷O and ¹H-¹⁴N NQDR spectroscopies, and theoretically by density functional theory (DFT). The supramolecular synthon pattern of O-H···N ...

journal_title：Journal of molecular modeling

authors： Latosińska JN,Latosińska M,Tomczak MA,Seliger J,Zagar V

更新日期：2011-07-01 00:00:00

abstract：:Hydrogenoxalate (charge -1) and oxalate (charge -2) anions and their solvated forms were studied by various computational techniques. Ab initio quantum chemical calculations in gas phase, in implicit solvent and microsolvated (up to 32 water molecules) environment were performed in order to explore a potential energy ...

journal_title：Journal of molecular modeling

authors： Kroutil O,Minofar B,Kabeláč M

更新日期：2016-09-01 00:00:00

abstract：:The functionalization of pristine and Stone-Wales defected BC3 nanosheets with a pyrene molecule was investigated using density functional theory. Frontier molecular analysis shows that the main interaction is π-π stacking, releasing energies in the range of 143.6 to 169.1 kJ mol(-1). We predicted that after the funct...

journal_title：Journal of molecular modeling

authors： Peyghan AA,Noei M,Bagheri Z

更新日期：2014-12-01 00:00:00

abstract：:Models of the hydrogenoxalate (bioxalate, charge -1) and oxalate (charge -2) anions were developed for classical molecular dynamics (CMD) simulations and parametrized against ab initio molecular dynamics (AIMD) data from our previous study (Kroutil et al. (2016) J Mol Model 22:210). The interactions of the anions with...

journal_title：Journal of molecular modeling

authors： Kroutil O,Předota M,Kabeláč M

更新日期：2017-10-28 00:00:00

abstract：:A novel mechanism for switching a molecular junction based on a proton transfer reaction triggered by an external electrostatic field is proposed. As a specific example to demonstrate the feasibility of the mechanism, the tautomers [2,5-(4-hydroxypyridine)] and {2,5-[4(1H)-pyridone]} are considered. Employing a combin...

journal_title：Journal of molecular modeling

authors： Hofmeister C,Härtle R,Rubio-Pons O,Coto PB,Sobolewski AL,Thoss M

更新日期：2014-04-01 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：:The effects of L-serine amino acid functionalization on a graphene plane were investigated through density functional theory calculations compared with those of oxygen functionalization. Three systems of 4 × 4 graphene supercells were created and functionalized by an epoxy group, a hydroxyl group, and an L-serine mole...

journal_title：Journal of molecular modeling

authors： Prasert K,Sutthibutpong T

更新日期：2020-07-13 00:00:00

abstract：:The behavior of the carbon monoxide (CO) adsorbed on the external surface of H-capped (6,0) zigzag single-walled aluminum nitride nanotube (AlNNT) was studied using parallel and transverse electric field (strengths 0-140 × 10(-4) a.u.) and density functional calculations. The calculated adsorption energies of the CO/A...

journal_title：Journal of molecular modeling

authors： Peyghan AA,Baei MT,Hashemian S,Torabi P

更新日期：2013-02-01 00:00:00

abstract：:Monoamine oxidase (MAO) is an enzyme of major importance in neurochemistry, because it catalyzes the inactivation pathway for the catecholamine neurotransmitters, noradrenaline, adrenaline and dopamine. In the last decade it was demonstrated that imidazoline derivatives were able to inhibit MAO activity. Furthermore, ...

journal_title：Journal of molecular modeling

authors： Moraes FP,de Azevedo WF Jr

更新日期：2012-08-01 00:00:00