Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Simonetta Cavalli"'
Publikováno v:
Frontiers in Chemistry, Vol 7 (2019)
Integral cross sections and rate constants for the prototypical chemical reactions of the fluorine atom with molecular hydrogen and deuterium have been calculated over a wide interval of collision energy and temperature ranging from the sub-thermal (
Externí odkaz:
https://doaj.org/article/0aca6aab544c4894a09aa2e18d566caf
Publikováno v:
The European Physical Journal D. 75
Abstract Modifications in atomic alignment and in molecular alignment/orientation determine a different structure of the adduct, formed by collisions of reagents, which represents the precursor state of many elementary chemical–physical processes.
Publikováno v:
The journal of physical chemistry. A 124 (2020): 12–20. doi:10.1021/acs.jpca.9b08435
info:cnr-pdr/source/autori:De Fazio, Dario; Aquilanti, Vincenzo; Cavalli, Simonetta/titolo:Benchmark Quantum Kinetics at Low Temperatures toward Absolute Zero and Role of Entrance Channel Wells on Tunneling, Virtual States, and Resonances: The F plus HD Reaction/doi:10.1021%2Facs.jpca.9b08435/rivista:The journal of physical chemistry. A/anno:2020/pagina_da:12/pagina_a:20/intervallo_pagine:12–20/volume:124
info:cnr-pdr/source/autori:De Fazio, Dario; Aquilanti, Vincenzo; Cavalli, Simonetta/titolo:Benchmark Quantum Kinetics at Low Temperatures toward Absolute Zero and Role of Entrance Channel Wells on Tunneling, Virtual States, and Resonances: The F plus HD Reaction/doi:10.1021%2Facs.jpca.9b08435/rivista:The journal of physical chemistry. A/anno:2020/pagina_da:12/pagina_a:20/intervallo_pagine:12–20/volume:124
This paper reports a study of the quantum reaction dynamics and kinetics of the F + HD reaction at low and ultralow temperatures, focusing on the range from the Wigner limit up to 50 K. Close coupling time-independent quantum reactive scattering calc
Autor:
Brunetto Giovanni Brunetti, Fernando Pirani, Stefano Falcinelli, Simonetta Cavalli, James M. Farrar, Franco Vecchiocattivi
Publikováno v:
Chemical Physics Letters. 778:138813
This letter focuses on general aspects of the stereodynamics of chemi-ionization reactions, triggered by collisions of O2 and N2 molecules with metastable neon atoms. Basic characteristics of the long-range intermolecular forces involved, some of che
Publikováno v:
Frontiers in Chemistry
Frontiers in Chemistry 7 (2019). doi:10.3389/fchem.2019.00328
info:cnr-pdr/source/autori:De Fazio, Dario; Aquilanti, Vincenzo; Cavalli, Simonetta/titolo:Quantum Dynamics and Kinetics of the F + H-2 and F + D-2 Reactions at Low and Ultra-Low Temperatures/doi:10.3389%2Ffchem.2019.00328/rivista:Frontiers in Chemistry/anno:2019/pagina_da:/pagina_a:/intervallo_pagine:/volume:7
Frontiers in Chemistry, Vol 7 (2019)
Frontiers in Chemistry 7 (2019). doi:10.3389/fchem.2019.00328
info:cnr-pdr/source/autori:De Fazio, Dario; Aquilanti, Vincenzo; Cavalli, Simonetta/titolo:Quantum Dynamics and Kinetics of the F + H-2 and F + D-2 Reactions at Low and Ultra-Low Temperatures/doi:10.3389%2Ffchem.2019.00328/rivista:Frontiers in Chemistry/anno:2019/pagina_da:/pagina_a:/intervallo_pagine:/volume:7
Frontiers in Chemistry, Vol 7 (2019)
Integral cross sections and rate constants for the prototypical chemical reactions of the fluorine atom with molecular hydrogen and deuterium have been calculated over a wide interval of collision energy and temperature ranging from the sub-thermal (
Publikováno v:
The journal of physical chemistry. A 120 (2016): 5288–5299. doi:10.1021/acs.jpca.6b01471
info:cnr-pdr/source/autori:De Fazio D.; Cavalli S.; Aquilanti V./titolo:Benchmark Quantum Mechanical Calculations of Vibrationally Resolved Cross Sections and Rate Constants on ab Initio Potential Energy Surfaces for the F + HD Reaction: Comparisons with Experiments/doi:10.1021%2Facs.jpca.6b01471/rivista:The journal of physical chemistry. A/anno:2016/pagina_da:5288/pagina_a:5299/intervallo_pagine:5288–5299/volume:120
info:cnr-pdr/source/autori:De Fazio D.; Cavalli S.; Aquilanti V./titolo:Benchmark Quantum Mechanical Calculations of Vibrationally Resolved Cross Sections and Rate Constants on ab Initio Potential Energy Surfaces for the F + HD Reaction: Comparisons with Experiments/doi:10.1021%2Facs.jpca.6b01471/rivista:The journal of physical chemistry. A/anno:2016/pagina_da:5288/pagina_a:5299/intervallo_pagine:5288–5299/volume:120
Quantum scattering calculations within the time-independent approach in an extended interval of energies were performed for the title reaction on four ab initio potential energy surfaces. The calculated integral cross sections, vibrational branching
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 22(35)
Focus in the present paper is on the analysis of total and partial ionization cross sections, measured in absolute value as a function of the collision energy, representative of the probability of ionic product formation in selected electronic states
Publikováno v:
CECAM WORKSHOP: "Molecular chirality from a physical and theoretical chemistry perspective", Losanna (Svizzera), 10-12/10/2016
info:cnr-pdr/source/autori:Dario De Fazio, Simonetta Cavalli, Vincenzo Aquilanti/congresso_nome:CECAM WORKSHOP: "Molecular chirality from a physical and theoretical chemistry perspective"/congresso_luogo:Losanna (Svizzera)/congresso_data:10-12%2F10%2F2016/anno:2016/pagina_da:/pagina_a:/intervallo_pagine
info:cnr-pdr/source/autori:Dario De Fazio, Simonetta Cavalli, Vincenzo Aquilanti/congresso_nome:CECAM WORKSHOP: "Molecular chirality from a physical and theoretical chemistry perspective"/congresso_luogo:Losanna (Svizzera)/congresso_data:10-12%2F10%2F2016/anno:2016/pagina_da:/pagina_a:/intervallo_pagine
'Exact' quantum mechanical calculations of prototypical chemical reactions are crucial in the development of the molecular dynamics. The direct comparison with the output of molecular beams and kinetic measurements permit to test the accuracy of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=cnr_________::801f6859c973ce1c5c84d8536cd3f2cd
http://www.cnr.it/prodotto/i/359929
http://www.cnr.it/prodotto/i/359929
Publikováno v:
ResearcherID
The simple connection between the Slater orbitals, venerable in quantum chemistry, and the Coulomb Sturmian orbitals, more recently employed in atomic and molecular physics, is pointed out explicitly in view of the renewed interest in both as basis s
Publikováno v:
Chemical Physics Letters. 469:26-30
A new potential energy surface is proposed for the title reaction. Calculations have been carried out using the full configuration interaction method and an extended basis set. The selection of geometries is based on an earlier paper [P. Palmieri et