Molecular dynamics in electronically excited states using time-dependent density functional theory
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The authors present a QM/MM ab initio mol. dynamics study of the peptide hydrolysis reaction catalyzed by HIV-1 protease. The QM/MM calcns. are based on previous extensive classical MD simulations on the protein in complex with a model substrate. Gradient- ...
Recently, we have introduced a scheme for optimizing atom-based nonlocal external potentials within the framework of d. functional theory (DFT) in order to systematically improve the description of mol. properties [Phys. Rev. Lett. 93, 153004 (2004); J. Ch ...
A general approach to calculate the diabatic surfaces for electron-transfer reactions is presented, based on first-principles molecular dynamics of the active centers and their surrounding medium. The excitation energy corresponding to the transfer of an e ...
The authors present a hybrid Car-Parrinello quantum mech./mol. mech. (QM/MM) approach that is capable of treating the dynamics of mol. systems in electronically excited states in complex environments. The potential energy surface in the excited state is de ...
Reductive radical alpha-D-galactosidation of 5-exo-(benzeneselenyl)-6-endo-chloro-3-methylidene-7- -oxabicyclo[2.2.1]heptan-2-one with acetobromo-D-galactose, followed by ketone reduction led to (+)-(1R,2S, 3R,4S,5S,6S)-5-exo-(benzeneselenyl)-6-endo-chloro ...
Organometallic ruthenium(II)-arene (RA) antitumour compounds of the general type [Ru(II)(η6-arene)(X)2(pta)], RA-pta, and [Ru(II)(η6-arene)X(en)], RA-en, (X=leaving group; pta=1,3,5-triaza-7-phosphaadamantane, en=ethylenediamine) have been investigated com ...
Density functional theory (DFT)-based Car-Parrinello molecular dynamics (CPMD) simulations describe the time evolution of molecular systems without resorting to a predefined potential energy surface. CPMD and hybrid molecular mechanics/CPMD schemes have re ...
Structural dynamics in solid hydrogens is impulsively triggered by femtosecond excitation of the lowest Rydberg state of the NO impurity. The resulting charge redistribution induces a local radial deformation of the medium ("bubble" formation) around the ...
Excitation of the A(3ss) Rydberg state of NO leads to an extensive rearrangement of the environment, which was studied by classical mol. dynamics simulations and normal mode anal., using pair potentials from the literature. The medium response is independe ...