Exact quantum dynamics developments for floppy molecular systems and complexes

E Mátyus, AM Santa Daría, G Avila - Chemical Communications, 2023 - pubs.rsc.org
Molecular rotation, vibration, internal rotation, isomerization, tunneling, intermolecular
dynamics of weakly and strongly interacting systems, intra-to-inter-molecular energy …

TheoReTS–An information system for theoretical spectra based on variational predictions from molecular potential energy and dipole moment surfaces

M Rey, AV Nikitin, YL Babikov, VG Tyuterev - Journal of Molecular …, 2016 - Elsevier
Abstract Knowledge of intensities of rovibrational transitions of various molecules and theirs
isotopic species in wide spectral and temperature ranges is essential for the modeling of …

The fourth age of quantum chemistry: molecules in motion

AG Csaszar, C Fabri, T Szidarovszky… - Physical Chemistry …, 2012 - pubs.rsc.org
Developments during the last two decades in nuclear motion theory made it possible to
obtain variational solutions to the time-independent, nuclear-motion Schrödinger equation of …

[HTML][HTML] Perspective: Computing (ro-) vibrational spectra of molecules with more than four atoms

T Carrington - The Journal of Chemical Physics, 2017 - pubs.aip.org
In this perspective, I review methods for computing (ro-) vibrational energy levels and
wavefunctions of molecules with more than four atoms. I identify three problems one …

MARVEL: measured active rotational–vibrational energy levels. II. Algorithmic improvements

T Furtenbacher, AG Csaszar - Journal of Quantitative Spectroscopy and …, 2012 - Elsevier
When determining energy levels from several, in cases many, measured and assigned high-
resolution molecular spectra according to the Ritz principle, it is advantageous to investigate …

[HTML][HTML] The W2020 database of validated rovibrational experimental transitions and empirical energy levels of water isotopologues. II. H217O and H218O with an …

T Furtenbacher, R Tóbiás, J Tennyson… - Journal of Physical …, 2020 - pubs.aip.org
The W2020 database of validated experimental transitions and accurate empirical energy
levels of water isotopologues, introduced in the work of Furtenbacher et al.[J. Phys. Chem …

Novel methodology for systematically constructing global effective models from ab initio-based surfaces: A new insight into high-resolution molecular spectra analysis

M Rey - The Journal of Chemical Physics, 2022 - pubs.aip.org
In this paper, a novel methodology is presented for the construction of ab initio effective
rotation–vibration spectroscopic models from potential energy and dipole moment surfaces …

Accurate empirical rovibrational energies and transitions of H 2 16 O

R Tóbiás, T Furtenbacher, J Tennyson… - Physical Chemistry …, 2019 - pubs.rsc.org
Several significant improvements are proposed to the computational molecular
spectroscopy protocol MARVEL (Measured Active Rotational–Vibrational Energy Levels) …

IUPAC critical evaluation of the rotational–vibrational spectra of water vapor. Part IV. Energy levels and transition wavenumbers for D216O, D217O, and D218O

J Tennyson, PF Bernath, LR Brown… - Journal of Quantitative …, 2014 - Elsevier
This paper is the fourth of a series of papers reporting critically evaluated rotational–
vibrational line positions, transition intensities, pressure dependences, and energy levels …

First principles intensity calculations of the methane rovibrational spectra in the infrared up to 9300 cm− 1

M Rey, AV Nikitin, VG Tyuterev - Physical Chemistry Chemical Physics, 2013 - pubs.rsc.org
We report global calculations of rovibrational spectra and dipole transition intensities of
methane using our recent ab initio dipole moment and potential surfaces [Nikitin et al …