نتایج جستجو برای: graphene polarizable continuum model pcm

تعداد نتایج: 2186561  

Journal: :The Journal of organic chemistry 2014
Changwei Wang Fuming Ying Wei Wu Yirong Mo

The block-localized wave function (BLW) method, which can derive optimal electron-localized state with intramolecular electron delocalization completely deactivated, has been combined with the polarizable continuum model (PCM) to probe the variation of the anomeric effect in solution. Currently both the hyperconjugation and electrostatic models have been called to interpret the anomeric effect ...

2015
Peter I. Nagy Malcolm D’Souza

Conformational/tautomeric transformations for X=CH-CH=Y structures (X = CH2, O, NH and Y = NH) have been studied in the gas phase, in dichloromethane and in aqueous solutions. The paper is a continuation of a former study where s-cis/s-trans conformational equilibria were predicted for analogues. The s-trans conformation is preferred for the present molecules in the gas phase on the basis of it...

Journal: :Journal of biomedical research & environmental sciences 2023

In the era of increasing effectiveness treatment methods and drugs used in modern neuro-oncology, targeted delivery diagnostic medicinal substances to tumor is great importance. The aim work study silico optimal rational approaches creation nanocontainers for drug delivery. Here we present results DFT simulation molecular electronic structure, as well possible mechanisms formation water-soluble...

Journal: :Journal of Chemical Theory and Computation 2015

Journal: :Journal of computational chemistry 2005
Jaroslav V. Burda Michal Zeizinger Jerzy Leszczynski

The thermodynamic and kinetic aspects of hydration reactions of cis-/transplatin were explored. The polarizable continuum model was used for estimation of solvent effects. Using the B3LYP/6-31+G(d) method, the structures were optimized and vibrational frequencies estimated. Interaction energies and activation barriers were determined at the CCSD(T)/6-31++G(d,p) level within the COSMO approach. ...

Journal: :Symmetry 2021

The isotopically enriched cyanide anion, (13C≡15N)−, has a great potential as the NMR probe of non-covalent interactions. However, hydrogen is highly toxic and can decompose explosively. It therefore desirable to be able theoretically estimate any valuable results certain experiments in advance order carry out experimental studies only for most suitable molecular systems. We report effect bondi...

2012
Zeynep YURTSEVER Burak ERMAN Ersin YURTSEVER

Aspirin-aspirin and aspirin-leucine interactions are studied by the density functional theory (DFT) and high level ab initio calculations with second order Moller-Plesset perturbation theory (MP2). The rotational isomers of aspirin are identified by their relative stability both in gaseous phase and in water using the polarizable continuum method (PCM). Local minima of aspirin monomers in water...

Journal: :international journal of nano dimension 0
t. j. prasanna kumar department of aerospace engineering, pvp siddartha engineering college, vijayawada 520 007, india. s. narendar defence research and development laboratory, kanchanbagh, hyderabad 500 058, india. b. l. v. s. gupta department of aerospace engineering, pvp siddartha engineering college, vijayawada 520 007, india. s. gopalakrishnan 4computational wave mechanics laboratory, department of aerospace engineering, indian institute of science, bangalore 560 012, india.

this paper presents the thermal vibration analysis of double-layer graphene sheet embedded in polymer elastic medium, using the plate theory and nonlocal continuum mechanics for small scale effects. the graphene is modeled based on continuum plate theory and the axial stress caused by the thermal effects is also considered. nonlocal governing equations of motion for this double-layer graphene s...

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