Mostrando 10 resultados de: 22
Filtros aplicados
Publisher
Journal of Chemical Physics(3)
International Journal of Quantum Chemistry(2)
Journal of Computational Methods in Sciences and Engineering(2)
Molecular Physics(2)
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials(1)
Área temáticas
Química inorgánica(9)
Química orgánica(6)
Física(4)
Química analítica(4)
Ingeniería y operaciones afines(2)
Basis set and correlation effects in configuration analysis of reactive systems
ArticleAbstract: A methodology for the configuration analysis of multi-configurational wave-functions of a closed-shePalabras claves:Autores:Almeida R., Luis RinconFuentes:googlescopusAn analysis of the topology of the electron charge density and the reactant-product electronic structure variation along the intrinsic reaction coordinate
ArticleAbstract: In this work the topology of the electron charge density and the variations in the reactant and prodPalabras claves:ab initio calculations, DFT calculation, Intrinsic reaction coordinate, Ionic S 2 reaction N, Menschutkin reactionAutores:Almeida R., Luis RinconFuentes:googlescopusAn analysis of two local measures of the electronic localization: A comparison with the ELF and the exchange-correlation density results
ArticleAbstract: In this work we have explored the performance of two functions, recently proposed by Ayers [J. Chem.Palabras claves:Autores:Almeida R., Alvarellos J.E., Luis RinconFuentes:googlescopusA numerical calculation of the electronic specific heat for the compound Sr<inf>2</inf>RuO<inf>4</inf> below its superconducting transition temperature
ArticleAbstract: In this work, a numerical study of the superconducting specific heat of the unconventional multibandPalabras claves:Electronic specific heat, Gap structure, Line nodes, Point nodes, Superconducting density of states, Unconventional superconductorsAutores:Almeida R., Contreras P., José Luis Burgos, Ochoa E., Uzcategui D.Fuentes:scopusExploring the Non-Covalent Bonding in Water Clusters
ArticleAbstract: QTAIM and source function analysis were used to explore the non-covalent bonding in twelve differentPalabras claves:Hydrogen bonds, non-covalent interactions, QTAIM, source functionAutores:Alí-Torres J., Almeida R., César H. Zambrano, Fernando Javier Torres, Luis E. Seijas, Luis RinconFuentes:googlescopusExtended Hückel tight-binding approach to electronic excitations
ArticleAbstract: In this work, we propose the application of a self-consistent extended Hückel tight-binding (EHTB) mPalabras claves:Autores:Almeida R., Gonzalez C.A., Hasmy A., Luis RinconFuentes:googlescopusElectron density, exchange-correlation density, and bond characterization from the perspective of the valence-bond theory. I. Two simple analytical cases
ArticleAbstract: In this work, using a valence-bond wave function we obtain analytical expressions for the first- andPalabras claves:Autores:Almeida R., Alvarellos J.E., Luis RinconFuentes:googlescopusNon-covalent interactions in the multicomponent crystal of 1-aminocyclopentane carboxylic acid, oxalic acid and water: A crystallographic and a theoretical approach
ArticleAbstract: Single-crystal X-ray diffraction and quantum mechanical theories were used to examine in detail thePalabras claves:amino acids, cocrystal, DFT-PBC calculations, electron localization functions, Hydrogen bonds, multicomponent crystals, noncovalent interactions, Supramolecular chemistryAutores:Almeida R., Belandría L.N., Delgado G.E., Luis E. Seijas, Lunar A., Mora A.J.Fuentes:scopusHydrogen bond cooperativity and electron delocalization in hydrogen fluoride clusters
ArticleAbstract: A study was conducted, focusing on the cooperativity in hydrogen fluorine clusters and the role thatPalabras claves:Autores:Almeida R., Diez Y Riega H., García-Aldea D., Luis RinconFuentes:googlescopusOn the activation of σ-bonds by electric fields: A Valence Bond perspective
ArticleAbstract: The activation of non-polar σ-bonds induced by an electric field is studied from the perspective ofPalabras claves:CH activation 4, H activation 2, Molecular electric fields, Valence Bond theoryAutores:Almeida R., Fernando Javier Torres, Jose R. Mora, Luis RinconFuentes:googlescopus