Simplified quantum chemistry methods to evaluate non‐linear optical properties of large systems

S Löffelsender, P Beaujean… - Wiley Interdisciplinary …, 2024 - Wiley Online Library
This review presents the theoretical background concerning simplified quantum chemistry
(sQC) methods to compute non‐linear optical (NLO) properties and their applications to …

Ultrafast Formation of a Delocalized Triplet-Excited State in an Epigenetically Modified DNA Duplex under Direct UV Excitation

X Wang, L Martínez-Fernández, Y Zhang… - Journal of the …, 2024 - ACS Publications
Epigenetic modifications impart important functionality to nucleic acids during gene
expression but may increase the risk of photoinduced gene mutations. Thus, it is crucial to …

Automatized protocol and interface to simulate QM/MM time‐resolved transient absorption at TD‐DFT level with COBRAMM

D Avagliano, M Bonfanti, A Nenov… - Journal of …, 2022 - Wiley Online Library
We present a series of new implementations that we recently introduced in COBRAMM, the
open‐source academic software developed in our group. The goal of these implementations …

Assessment of state-averaged driven similarity renormalization group on vertical excitation energies: Optimal flow parameters and applications to nucleobases

M Wang, WH Fang, C Li - Journal of Chemical Theory and …, 2022 - ACS Publications
We present a comprehensive excited-state benchmark for the state-averaged (SA) driven
similarity renormalization group (DSRG)[Li, C.; Evangelista, FAJ Chem. Phys. 2018, 148 …

Effect of the DNA Polarity on the Relaxation of its Electronic Excited States

V Petropoulos, L Uboldi, M Maiuri… - The journal of …, 2023 - ACS Publications
The DNA polarity, ie., the order in which nucleobases are connected together via the
phosphodiester backbone, is crucial for several biological processes. But, so far, there has …

Nonadiabatic vibrational resonance Raman spectra from quantum dynamics propagations with LVC models. Application to thymine

Q Xu, D Aranda, M Yaghoubi Jouybari… - The Journal of …, 2022 - ACS Publications
We present a viable protocol to compute vibrational resonance Raman (vRR) spectra for
systems with several close-lying and potentially coupled electronic states. It is based on the …

Quantum dynamics of the photoinduced charge separation in a symmetric donor–acceptor–donor triad: The role of vibronic couplings, symmetry and temperature

D Picconi - The Journal of Chemical Physics, 2022 - pubs.aip.org
The photoinduced charge separation in a symmetric donor–acceptor–donor (D–A–D) triad is
studied quantum mechanically using a realistic diabatic vibronic coupling model. The model …

Theoretical aspects of the adsorption of normal and modified base pairs of DNA on graphene models toward DNA sequencing

R Radhika, R Shankar - Journal of Biomolecular Structure and …, 2023 - Taylor & Francis
A theoretical understanding of the adsorption of DNA base pairs (GC, AT, CAF-T and CAF-
C) on the graphene models (Gr, SiGr and SiGr-COOH) is investigated. Among the …

DNA photostability

L Martínez-Fernández, A Francés-Monerris - Theoretical and …, 2023 - Elsevier
This chapter provides an overview of the photophysical properties of isolated DNA/RNA
nucleobases, rationalizing their intrinsic photostability based on quantum mechanical static …