Trends in σ-hole strengths and interactions of F3MX molecules (M = C, Si, Ge and X = F, Cl, Br, I).

abstract：:The geometric and electronic structure of tetracyanoethylene (TCNE)-aniline (donor-acceptor type) complex has been investigated in gas phase using ab initio and time dependent density functional theory calculations. Both the above calculations predict a composed structure for the complex, in which the interacting site...

journal_title：Journal of molecular modeling

authors： Manna T,Bhattacharya S

更新日期：2009-08-01 00:00:00

abstract：:5-Nitro-3-trinitromethyl-1H-1,2,4-triazole (NTMT, A) and its substituted derivatives A-CH3, A-OCH3, A-NH2, A-OH, A-NO2, and A-ONO2 were studied using density functional theory (DFT). For all of the molecules except for A-ONO2, the C-NO2 bond in the trinitromethyl group was found to be the weakest, and no transition st...

journal_title：Journal of molecular modeling

authors： Zhang X,Gong X

更新日期：2015-02-01 00:00:00

abstract：:Based on the unique advantages of terahertz (THz) spectrum on the detection of energetic cocrystals, the low-temperature dependent THz spectra of CL-20/TNT cocrystal were investigated by using molecular dynamics (MD) simulations from 5 to 296 K, as well as three different crystal faces, (001), (120), and (010). When t...

journal_title：Journal of molecular modeling

authors： Shi L,Duan XH,Zhu LG,Pei CH

更新日期：2020-01-11 00:00:00

abstract：:A systematic investigation of the thermal conductivity of zigzag graphene nanoribbons (ZGNRs) doped with nitrogen and containing a vacancy defect was performed using reverse nonequilibrium molecular dynamics (RNEMD). The investigation showed that the thermal conductivity of the ZGNRs was significantly reduced by nitro...

journal_title：Journal of molecular modeling

authors： Yang H,Tang Y,Gong J,Liu Y,Wang X,Zhao Y,Yang P,Wang S

更新日期：2013-11-01 00:00:00

abstract：:A quantum mechanical density functional theory (DFT) was successfully developed for the estimation of pKa values of chlorinated phenols in aqueous solution with a precision of 0.9 pKa units. The MP2/6-311++G(d,p)//B3LYP/6-31+G(d) level of theory was used for the gas phase calculation. For computation in the solution p...

journal_title：Journal of molecular modeling

authors： Kheirjou S,Imanzadeh G,Rezaei H,Safari N

更新日期：2019-06-26 00:00:00

abstract：:The formation of silaspiropentane from addition of singlet silacyclopropylidene 1 and silacyclopropylidenoid 8 to ethylene has been investigated separately at the B3LYP, X3LYP, WB97XD, and M05-2X theories using the 6-31+G(d,p) basis set. The silacycloproylidenoid addition follows a stepwise route. In contrast, a conce...

journal_title：Journal of molecular modeling

authors： Yildiz CB,Azizoglu A

更新日期：2016-07-01 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：:The pathway and ab initio direct kinetics of the decomposition 5-aminotetrazole (5-ATZ) to HN(3) and NH(2)CN was investigated. Reactant, products and transition state were optimized with MP2 and B3LYP methods using 6-311G** and aug-cc-pVDZ basis sets. The intrinsic reaction coordinate curve of the reaction was calcula...

journal_title：Journal of molecular modeling

authors： Zhang JG,Feng LN,Zhang SW,Zhang TL,Zheng HH

更新日期：2008-05-01 00:00:00

abstract：:Conjugate peak refinement (CPR) is a powerful and robust method to search transition states on a molecular potential energy surface. Nevertheless, the method was to the best of our knowledge so far only implemented in CHARMM. In this paper, we present PyCPR, a new Python-based implementation of the CPR algorithm withi...

journal_title：Journal of molecular modeling

authors： Gisdon FJ,Culka M,Ullmann GM

更新日期：2016-10-01 00:00:00

abstract：:We tested different approaches to including the effect of binding-site water molecules for ligand-binding affinities within the MM/GBSA approach (molecular mechanics combined with generalised Born and surface-area solvation). As a test case, we studied the binding of nine phenol analogues to ferritin. The effect of wa...

journal_title：Journal of molecular modeling

authors： Mikulskis P,Genheden S,Ryde U

更新日期：2014-06-01 00:00:00

abstract：:This work focuses on the role of the dynamic hydrogen bonds (HB) formed in an aqueous solution of aspirin using molecular dynamics simulation. The statistics reveal the existence of internal HB that inhibit the rotational movements of the acetyl and the carboxylic acid groups, forcing the molecule to adopt a closed co...

journal_title：Journal of molecular modeling

authors： Donnamaria MC,de Xammar Oro JR

更新日期：2011-10-01 00:00:00

abstract：:The double-histone fold is a rare protein fold in which two consecutive regions characterized by the typical structure of histones assemble together, thus giving a histone pseudodimer. Previously, this fold was found in a few prokaryotic histones and in the regulatory region of guanine-nucleotide exchange factors of t...

journal_title：Journal of molecular modeling

authors： Greco C,Sacco E,Vanoni M,De Gioia L

更新日期：2005-12-01 00:00:00

abstract：:The stability, geometry and electronic structure of the title nanoclusters were compared by using density functional theory (DFT) calculations. Their electrical property analysis showed that the relative magnitude of the HOMO-LUMO gaps (eV) that are average values from the calculated results with five different DFT fu...

journal_title：Journal of molecular modeling

authors： Beheshtian J,Bagheri Z,Kamfiroozi M,Ahmadi A

更新日期：2012-06-01 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：:The first and second moment operators are used to define the origin invariant shape and size of a molecule or functional group, as well as expressions for the distance between two electrons and the distance between an electron and a nucleus. The measure of molecular size correlates quite well with an existing theoreti...

journal_title：Journal of molecular modeling

authors： Hollett JW,Poirier RA

更新日期：2009-06-01 00:00:00

abstract：:The efficiency and high specificity of tobacco etch virus protease (TEVp) has made it widely used for cleavage of recombinant fusion proteins. However, TEVp suffers from a few intrinsic defects such as self-cleavage, poorly expressed in E. coli and less soluble. So some mutants were designed to improve it, such as S21...

journal_title：Journal of molecular modeling

authors： Wang Y,Zhu GF,Ren SY,Han YG,Luo Y,Du LF

更新日期：2013-11-01 00:00:00

abstract：:The unsaturated trinuclear iron fluoroborylene complexes Fe3(BF)3(CO) n (n = 7, 6) have been studied using density functional theory (DFT). Relatively complicated potential energy surfaces are found with nine and eight structures within 15 kcal mol-1 of the lowest energy structures for the Fe3(BF)3(CO)7 and Fe3(BF)3(C...

journal_title：Journal of molecular modeling

authors： Xu L,Li QS,King RB

更新日期：2017-04-01 00:00:00

abstract：:Using density functional theory (DFT) and molecular dynamics (MD), we studied the interaction of a titanium atom with a half of a C60 fullerene (i.e., C30), formed from the corannulene structure with a pentagonal base. We considered atmospheric pressure and 300 K. We found that the most stable adsorption of the titani...

journal_title：Journal of molecular modeling

authors： Canales M,Ramírez-de-Arellano JM,Magana LF

更新日期：2016-09-01 00:00:00

abstract：:Theoretical studies on 1H-indole-3-acetic acid (IAA) were performed to investigate the conformational properties of dimeric species and vibrational spectra. Experimental infrared spectra at 100 K and 297 K and Raman spectrum at 297 K were analyzed and compared against calculations performed at B3LYP/6-31G** level. A e...

journal_title：Journal of molecular modeling

authors： Lobayan RM,Schmit MC,Jubert AH,Vitale A

更新日期：2011-06-01 00:00:00

abstract：:A survey of the fascinating history of anesthetics and the many critical findings that have improved our understanding of anesthetic activity is followed by an expanded analysis of the electrostatic potentials of 27 molecules and two noble gases with anesthetic activities ranging from high to totally inactive. We agai...

journal_title：Journal of molecular modeling

authors： Shields ZP,Seybold PG,Murray JS

更新日期：2017-12-19 00:00:00

abstract：:The CFIm25 subunit of the heterotetrameric cleavage factor Im (CFIm) is a critical factor in the formation of the poly(A) tail at mRNA 3' end, regulating the recruitment of polyadenylation factors, poly(A) site selection, and cleavage/polyadenylation reactions. We previously reported the homologous protein (EhCFIm25) ...

journal_title：Journal of molecular modeling

authors： Ospina-Villa JD,García-Contreras J,Rosas-Trigueros JL,Ramírez-Moreno E,López-Camarillo C,Zamora-López B,Marchat LA,Zamorano-Carrillo A

更新日期：2018-07-12 00:00:00

abstract：:The structures of non-ionic [Ag(Tu)(CN)] (1) and ionic [Ag(Dmtu)2]+[Ag(CN)2]- (2) and [Ag(Imt)2]+[Ag(CN)2]- (3) silver(I) complexes, where Tu = thiourea, Dmtu = N,N'-dimethylthiourea and Imt = imidazoline-2-thione), were modeled by periodic DFT/PAW-PBE calculations; results were in good agreement with experiments. The...

journal_title：Journal of molecular modeling

authors： Ahmad S,Georgieva I,Hanif M,Monim-Ul-Mehboob M,Munir S,Sohail A,Isab AA

更新日期：2019-03-08 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：:Artificial neural networks (ANNs) have been successfully trained to model and predict the acidity constants (pK(a)) of 128 various phenols with diverse chemical structures using a quantitative structure-activity relationship. An ANN with 6-14-1 architecture was generated using six molecular descriptors that appear in ...

journal_title：Journal of molecular modeling

authors： Habibi-Yangjeh A,Danandeh-Jenagharad M,Nooshyar M

更新日期：2006-02-01 00:00:00

abstract：:Quantum chemical calculations were performed for LiNH2-HMgX (X=H, F, Cl, Br, CH3, OH, and NH2) complexes to propose a new interaction mechanism between them. This theoretical survey showed that the complexes are stabilized through the combinative interaction of magnesium and lithium bonds. The binding energies are in ...

journal_title：Journal of molecular modeling

authors： Yang X,Li Q,Cheng J,Li W

更新日期：2013-01-01 00:00:00

abstract：:Through comparison with ab initio reference data, we have evaluated the performance of various density functionals for describing pi-pi interactions as a function of the geometry between two stacked benzenes or benzene analogs, between two stacked DNA bases, and between two stacked Watson-Crick pairs. Our main purpose...

journal_title：Journal of molecular modeling

authors： Swart M,van der Wijst T,Fonseca Guerra C,Bickelhaupt FM

更新日期：2007-12-01 00:00:00

abstract：:The conformational analysis of polynorbornene (PNB) chains was investigated with the AM1, MM2, AMBER and OPLS methods taking into consideration the possibility of binding of norbornene monomers to each other at various positions, i.e. exo-exo, exo-endo, endo-endo. The chain that is formed by connecting exo-endo positi...

journal_title：Journal of molecular modeling

authors： Yilmaz SS,Abbasoğlu R,Hazer B

更新日期：2003-08-01 00:00:00

abstract：:The mechanism and regioselectivity of [3+2] cycloaddition (32CA) reactions of benzonitrile oxide with ethyl trans-cinnamate, ethyl crotonate and trans-2-penten-1-ol has been studied in gas phase and in acetonitrile, ethyl acetate and tetrahydrofuran using the B3LYP functional in connection with 6-31G(d) basis set. The...

journal_title：Journal of molecular modeling

authors： Abbiche K,Acharjee N,Salah M,Hilali M,Laknifli A,Komiha N,Marakchi K

更新日期：2020-09-22 00:00:00

abstract：:It is well-known that properties of poly(vinyl alcohol) (PVA) in the pure and solution states depend largely on the hydrogen bonding networks formed. In the context of molecular simulation, such networks are handled through the Coulombic interactions. Therefore, a good set of partial atom charges (PACs) for simulation...

journal_title：Journal of molecular modeling

authors： Noorjahan A,Choi P

更新日期：2015-03-01 00:00:00

abstract：:The binding properties of the protein-inhibitor complex of human immunodeficiency virus type 1 (HIV-1) protease with the inhibitor TMC-126 are investigated by combining computational alanine scanning (CAS) mutagenesis with binding free-energy decomposition (BFED). The calculated results demonstrate that the flap regio...

journal_title：Journal of molecular modeling

authors： Li D,Han JG,Chen H,Li L,Zhao RN,Liu G,Duan Y

更新日期：2012-05-01 00:00:00