Pressure effects on electronic, elastic, and vibration properties of metallic antiperovskite PbNCa3 by ab initio calculations.

abstract：:49Ti chemical shifts for a total of 20 titanium complexes are reported, and several levels of theory are evaluated in order to identify a reliable approach for the calculation of titanium NMR data. The popular B3LYP/6-31G(d)//B3LYP/6-31G(d) proves to give very good agreement with experimental data over a range from 1,...

journal_title：Journal of molecular modeling

authors： Koch R,Bruhn T

更新日期：2006-07-01 00:00:00

abstract：:The USFDA has approved pramlintide, commercially named Symlin (sIAPP), as adjunctive therapy for type 2 diabetes (T2D). This analogue of the human amylin peptide (hIAPP) has triple proline substitutions typical of the rat isoform (rIAPP). Recently, it was proposed that pramlintide solubility and aggregation resistance...

journal_title：Journal of molecular modeling

authors： Alves NA,Dias LG,Frigori RB

更新日期：2019-08-19 00:00:00

abstract：:Periodic DFT method has been firstly used to calculate the bulk structure, electronic structure, electrical transferring and thermodynamic properties of crystalline 5-azido-1H-tetrazole (HCN₇) and its four different salts. The anion CN₇(-) was included in all of the salts such as ammonium 5-azidotetrazolate ([NH₄](+)[...

journal_title：Journal of molecular modeling

authors： Wang K,Zhang J,Shang J,Zhang T

更新日期：2013-06-01 00:00:00

abstract：:Tetrachlorodibenzodioxin (TCDD) is one of the most famous dioxin families that is hazardous to humans and the environment. Designing cheap and novel catalysts for its detecting and removing is an essential need for the environment. In this work, DFT + VdW is used to investigate the potentiality of proposed catalysts i...

journal_title：Journal of molecular modeling

authors： Behjatmanesh-Ardakani R,Heydari A

更新日期：2020-06-03 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：:The complementarity plot (CP) is an established validation tool for protein structures, applicable to both globular proteins (folding) as well as protein-protein complexes (binding). It computes the shape and electrostatic complementarities (Sm, Em) for amino acid side-chains buried within the protein interior or inte...

journal_title：Journal of molecular modeling

authors： Basu S

更新日期：2017-12-07 00:00:00

abstract：:A molecular dynamics method was employed to study the binding energies associated with the cocrystallization (at selected crystal planes) of either 1,3,5-triamino-2,4,6-trinitro-benzene (TATB), 1,1-diamino-2,2-dinitroethylene, 3-nitro-1,2,4-triazol-5-one (TATB, FOX-7, and NTO, respectively, all of which are explosives...

journal_title：Journal of molecular modeling

authors： Song KP,Ren FD,Zhang SH,Shi WJ

更新日期：2016-10-01 00:00:00

abstract：:Recently inulinase has regained interest due to its usage in the production of fructooligosaccharides, biofuels, and in pharmaceutical industries. Inulinases properties are experimentally reported by nomerous studies but their characteristics are just partially explained by only a few computational investigations. In ...

journal_title：Journal of molecular modeling

authors： Singh PK,Joseph J,Goyal S,Grover A,Shukla P

更新日期：2016-04-01 00:00:00

abstract：:Nitriles are important chemical species in organic transformations, material chemistry, and environmental sciences. Nitriles are used as cyanating reagents in many organic reactions, where the C-CN bond dissociation has an important role. The reactivity of nitriles can be better understood by studying the bond dissoci...

journal_title：Journal of molecular modeling

authors： Kosar N,Ayub K,Gilani MA,Mahmood T

更新日期：2019-01-28 00:00:00

abstract：:The C-terminus tail (G144-T149) of the hyperthermophile Sulfolobus tokodaii (Sto-RNase HI) plays an important role in this protein's hyperstabilization and may therefore be a good protein stability tag. Detailed understanding of the structural and dynamic effects of C-terminus tail deletion is required for gaining ins...

journal_title：Journal of molecular modeling

authors： Chen L,Zhang JL,Zheng QC,Chu WT,Xue Q,Zhang HX,Sun CC

更新日期：2013-06-01 00:00:00

abstract：:4'-substituted neutral/protonated furfurylidenanilines and trans-styrylfurans are able to exist in two different conformations related to the rotation around the furan ring-bridge double bond. In this work, the equilibrium geometry and the corresponding rotational barrier of the benzene ring for each furan derivative ...

journal_title：Journal of molecular modeling

authors： Santos-Carballal D,Suardíaz R,Crespo-Otero R,González L,Pérez CS

更新日期：2013-10-01 00:00:00

abstract：:The present study analyzed binding of Cu(2+) to tetrapeptides in water solution at several levels of theoretical approximation. The methods used to study the energetic and structural properties of the complexes in question include semiempirical hamiltonians, density functional theory as well as ab initio approaches in...

journal_title：Journal of molecular modeling

authors： Czyżnikowska Z,Brasuń J

更新日期：2012-04-01 00:00:00

abstract：:Three-dimensional pharmacophore models of human adenosine receptor A(₂A) antagonists were developed based on 23 diverse compounds selected from a large number of A(₂A) antagonists. The best pharmacophore model, Hypo1, contained five features: one hydrogen bond donor , three hydrophobic points and one ring aromatic. It...

journal_title：Journal of molecular modeling

authors： Xu Z,Cheng F,Da C,Liu G,Tang Y

更新日期：2010-12-01 00:00:00

abstract：:Matrix metalloproteinase-8 (MMP-8) is the key mediator in initiating type I collagen degradation and is associated with rheumatoid arthritis. In the present study, a pharmacophore hypothesis was developed based on selective non zinc binding inhibitors of MMP-8. The pharmacophore hypothesis was refined manually and val...

journal_title：Journal of molecular modeling

authors： Kalva S,Vinod D,Saleena LM

更新日期：2014-05-01 00:00:00

abstract：:BsoBI is a type II restriction endonuclease belonging to the EcoRI family. There is only one previously published X-ray structure for this endonuclease: it shows a homodimer of BsoBI completely encircling DNA in a tunnel. In this work, molecular dynamics simulations were employed to elucidate possible ways in which DN...

journal_title：Journal of molecular modeling

authors： Štěpán J,Kabelka I,Koča J,Kulhánek P

更新日期：2017-12-20 00:00:00

abstract：:The CO and O2 adsorption as well as CO oxidation on cationic, neutral, and anionic AuM dimers (M = Pd, Ag) are studied by density functional calculations. Our results show that CO and O2 are adsorbed more stably on AuPd dimers than on AuAg dimers with corresponding charge state. O2 is favorable to be adsorbed on Pd at...

journal_title：Journal of molecular modeling

authors： Chen X,Lu RF,Kan EJ,Liu YZ,Xiao CY,Deng KM

更新日期：2014-06-01 00:00:00

abstract：:Odorant binding proteins (OBPs) are important in insect olfactory recognition. These proteins bind specifically to insect semiochemicals and induce their seeking, mating, and alarm behaviors. Molecular docking and molecular dynamics simulations were performed to provide computational insight into the interaction mode ...

journal_title：Journal of molecular modeling

authors： Wang S,Sun Y,Du S,Qin Y,Duan H,Yang X

更新日期：2016-06-01 00:00:00

abstract：:The stability of cyclic peptide assemblies (CPs) forming a macromolecular nanotube structure was investigated in solvents of different polarity using computational methods. The stability and structure of the complexes were studied using traditional molecular dynamics (MD). Energy of dissociation was estimated from ste...

journal_title：Journal of molecular modeling

authors： Vijayakumar V,Vijayaraj R,Peters GH

更新日期：2016-11-01 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：:An accurate comparison of the interaction of furan, pyrrole, and thiophene with different gaseous analytes is vital not only for understanding the sensing mechanism of corresponding polymers but also for rational design of new materials. In the present study, DFT calculations at (M05-2X/Aug-cc-PVDZ) have been performe...

journal_title：Journal of molecular modeling

authors： Sajid H,Mahmood T,Ayub K

更新日期：2017-09-26 00:00:00

abstract：:In this study, the complete orthonormal sets of phi(alpha)-momentum space orbitals (where alpha = 1, 0, -1, -2, ...) obtained from the psi(alpha)-ETO in coordinate representation (I.I. Guseinov, J. Mol. Model., 9 (2003) 135) are reduced to the complete orthonormal sets of hyperspherical harmonics (HSH) by means of a F...

journal_title：Journal of molecular modeling

authors： Guseinov II

更新日期：2006-09-01 00:00:00

abstract：:The ladder-type polyheterofluorenes were investigated theoretically by using density functional theory (DFT) to reveal their optical and electronic properties for applications in organic optoelectronic devices. The incorporation of heteroatoms (B, Si, Ge, N, P, O, and S) into the ladder-type highly fused polyfluorene ...

journal_title：Journal of molecular modeling

authors： Zheng C,Tao Y,Cao JZ,Chen RF,Zhao P,Wu XJ,Huang W

更新日期：2012-11-01 00:00:00

abstract：:The mechanism and origin of selectivity for [3 + 2]-cycloaddition (32CA) reactions between thioketone and carbohydrate-derived nitrones in THF were investigated by using the density functional theory (DFT) at the M06-2X/6-311+G(d,p)//M06-2X/6-31+G(d,p) level of theory combined with the solvation SMD model. The calcula...

journal_title：Journal of molecular modeling

authors： Yang J,Zhang Y,Yang Y,Xue Y

更新日期：2019-07-02 00:00:00

abstract：:The equilibrium structures, spectroscopic and thermodynamic parameters [entropy (S), internal energy (E), heat capacity (C p)] of U₂, U₂O, U₂O₂ and U₂O₄ uranium oxide molecules were investigated systematically using density functional theory (DFT). Our computations indicated that the ground electronic state of U₂ is t...

journal_title：Journal of molecular modeling

authors： Li P,Niu WX,Gao T,Wang F,Jia TT,Meng DQ,Li G

更新日期：2013-12-01 00:00:00

abstract：:The geometric and electronic structures, absorption spectra, transporting properties, chemical reactivity indices and electrostatic potentials of the planar three-coordinate organoboron compounds 1-2 and twisted reference compound Mes(3)B, have been investigated by employing density functional theory (DFT) and concept...

journal_title：Journal of molecular modeling

authors： Jin JL,Li HB,Lu T,Duan YA,Geng Y,Wu Y,Su ZM

更新日期：2013-08-01 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：:Studies of the interaction between phenol and intrinsic graphene, as well as phenol and aluminum doped graphene layer are performed using first principles total energy calculations within the periodic density functional theory. A 4x4 periodic structure is used to explore the adsorption of a phenol molecule on the intr...

journal_title：Journal of molecular modeling

authors： Hernández JM,Anota EC,de la Cruz MT,Melchor MG,Cocoletzi GH

更新日期：2012-08-01 00:00:00

abstract：:A molecular modeling strategy is proposed to describe the temperature (T) dependence of solubility parameter (δ) for the amorphous polymers which exhibit glass-rubber transition behavior. The commercial forcefield "COMPASS" is used to support the atomistic simulations of the polymer. The temperature dependence behavio...

journal_title：Journal of molecular modeling

authors： Chen X,Yuan C,Wong CK,Zhang G

更新日期：2012-06-01 00:00:00

abstract：:Extremely extensive calculations of potential energy surfaces for the parallel-displaced configuration of pyridine dimer systems have been carried out using a dispersion-corrected density functional. Instead of focusing on stationary geometries these calculations provide much deeper insight into the "landscape" of the...

journal_title：Journal of molecular modeling

authors： Sierański T

更新日期：2017-11-09 00:00:00

abstract：:Nowadays, scientists are trying to develop low-cost fullerene free acceptors for small organic photovoltaic cells in order to overcome the limitations of fullerene derivatives. Current research work deals with theoretical study on three non-fullerene acceptors based on indaceno, dithiophene core, and thiophene bridge ...

journal_title：Journal of molecular modeling

authors： Ajmal M,Ali U,Javed A,Tariq A,Arif Z,Iqbal J,Shoaib M,Ahmed T

更新日期：2019-09-11 00:00:00