Mostrando 10 resultados de: 12
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International Journal of Quantum Chemistry(3)
Molecules(2)
Theoretical Chemistry Accounts(2)
Chemical Physics Letters(1)
Computational and Theoretical Chemistry(1)
A review on the information content of the pair density as a tool for the description of the electronic properties in molecular systems
ReviewAbstract: Recent advances on the use of the information content of the pair density to understand bonding andPalabras claves:electron localization, Kullback-Leibler divergence, pair density, Reaction forceAutores:César H. Zambrano, Fernando Javier Torres, Jose R. Mora, Luis Rincon, Miguel Angel MéndezFuentes:scopusA theoretical study of the conformational preference of alkyl-and aryl-substituted pyrogallol[4]arenes and evidence of the accumulation of negative electrostatic potential within the cavity of their rccc conformers
ArticleAbstract: We report a theoretical study of the structural and electronic properties of the rccc and rctt confoPalabras claves:conformational preference, DFT, Electrostatic potential, Macromolecules, PyrogallolAutores:César H. Zambrano, Dueno E.E., Fernando Javier Torres, Miguel Angel Méndez, Robert A. Cazar, Sebastián ManzanoFuentes:scopusA topological study of the haxacoordinated carbon in the pentagonal-pyramidal benzene and hexamethylbenzene dications
ArticleAbstract: The nature of the hexacoordinated carbon in the pentagonal-pyramidal benzene and hexamethylbenzene dPalabras claves:Atoms in molecule, Carbon hypercoordination, Electron localization function, Topological analysisAutores:Almeida R., César H. Zambrano, Fernando Javier Torres, José Luis Burgos, Jose R. Mora, Luis E. Seijas, Luis Rincon, Paúl Pozo-GuerrónFuentes:googlescopusA valence bond perspective of the reaction force formalism
ArticleAbstract: The reaction force formalism represents a convenient approach to analyze the course of a reaction stPalabras claves:Reaction force, S 2 mechanism N, Valence bond correlation diagrams, Valence bond resonance energyAutores:César H. Zambrano, Fernando Javier Torres, Jose R. Mora, Luis Rincon, Vladimir RodríguezFuentes:googlescopusDehydrochlorination of PCDDs on SWCN-Supported Ni<inf>10</inf> and Ni<inf>13</inf> Clusters, a DFT Study
ArticleAbstract: Polychlorinated dibenzo-p-dioxins (PCDDs) are known to be a group of compounds of high toxicity forPalabras claves:clusters, dehydrochlorination, DFT, dibenzo-p-dioxins, nanotubes, nickelAutores:Arianna Jimbo, César H. Zambrano, Martha Porras, Silvia González PérezFuentes:scopusOn the thermodynamic stability of the intermolecular association between Lewis acids and Lewis bases: a DFT study
ArticleAbstract: The intermolecular association of twelve combinations of six different Lewis acids and Lewis bases (Palabras claves:Classical Lewis adducts, Electronic effects, Frustrated Lewis pairs, Steric effectsAutores:Almeida R., Carlos Espinosa-Gavilanes, César H. Zambrano, Fernando Javier Torres, Luis Rincon, Marcos Becerra, Misael Real-EnriquezFuentes:scopusInsights on the aromaticity of imidazolylidene carbenes by means of DFT calculations
ArticleAbstract: The effect of sixteen substituents on the structure of imidazolylidene carbenes was studied using fiPalabras claves:Aromatic fluctuation index, Aromatic stabilization energy, Harmonic oscillator model of aromaticity, Imidazolylidene carbenes, Nuclear independent chemical shift, Singlet-triplet energy gapAutores:Andrés S. Urbina, César H. Zambrano, Fernando Javier Torres, Luis RinconFuentes:scopusPhysico-Chemical and structural interpretation of discrete derivative indices on N-tuples atoms
ArticleAbstract: This report examines the interpretation of the Graph Derivative Indices (GDIs) from three differentPalabras claves:17 O-RMN, Activation entropy, Derivative indices, Discrete derivative, Free valence, GDIs, Reactivity, Resonance energy, Structural interpretationAutores:Artiles-Martínez L.M., César H. Zambrano, Fernando Javier Torres, Infante L.V., Maykel Cruz-Monteagudo, Muñiz Olite J.L., Oscar Martínez Santiago, Stephen Jones Barigye, Thu H.L.T., Vivas-Reyes R., Yovani Marrero-PonceFuentes:googlescopusTheoretical description of R–X· · · NH<inf>3</inf> halogen bond complexes: Effect of the R group on the complex stability and sigma-hole electron depletion
ArticleAbstract: In the present work, a number of R–X· · · NH3 (X = Cl, Br, and I) halogen bonded systems were theorePalabras claves:Conditional pair density, Fermi-hole, Halogen bond, Kullback–Leibler divergence, Sigma-holeAutores:César H. Zambrano, Fernando Javier Torres, Jose R. Mora, Juan Zurita, Luis Rincon, Vladimir RodríguezFuentes:scopusTheoretical investigation of the mechanism for the reductive dehalogenation of methyl halides mediated by the Co<sup>I</sup>-based compounds cobalamin and cobaloxime
ArticleAbstract: Theoretical calculations focusing on the cleavage of the C–X bond in methyl halides (CH3X; X = Cl, BPalabras claves:Cobalt complexes, DFT, Organohalides, Reductive dehalogenationAutores:César H. Zambrano, Fernando Javier Torres, Jose R. Mora, Julio E. Terán, Luis RinconFuentes:scopus