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@ARTICLE{13PoKoMa,
author = {Polyansky, Oleg L. and Kozin, Igor N. and Ovsyannikov, Roman I. and
Malyszek, Pawel and Koput, Jacek and Tennyson, Jonathan and Yurchenko,
Sergei N.},
title = {Variational Calculation of Highly Excited Rovibrational Energy Levels
of {H$_2$O$_2$}},
journal = JPCA,
year = {2013},
volume = {117},
pages = {7367-7377},
number = {32},
month = {AUG 15},
abstract = {Results are presented for highly accurate ab initio variational calculation
of the rotation vibration energy levels of H2O2 in its electronic
ground state. These results use a recently computed potential energy
surface and the variational nuclear-motion programs WARV4, which
uses an exact kinetic energy operator, and TROVE, which uses a numerical
expansion for the kinetic energy. The TROVE calculations are performed
for levels with high values of rotational excitation, J up to 35.
The purely ab initio calculations of the rovibrational energy levels
reproduce the observed levels with a standard deviation of about
1 {cm$^{-1}$}, similar to that of the J = 0 calculation, because the discrepancy
between theory and experiment for rotational energies within a given
vibrational state is substantially determined by the error in the
vibrational band origin. Minor adjustments are made to the ab initio
equilibrium geometry and to the height of the torsional barrier.
Using these and correcting the band origins using the error in J
= 0 states lowers the standard deviation of the observed-calculated
energies to only 0.002 {cm$^{-1}$} for levels up to J = 10 and 0.02 {cm$^{-1}$}
for all experimentally known energy levels, which extend up to J
= 35.},
doi = {10.1021/jp401216g},
journal-iso = {J. Phys. Chem. A},
keywords-plus = {LARGE-AMPLITUDE MOTION; HYDROGEN-PEROXIDE; TETRAATOMIC MOLECULES;
INFRARED-SPECTRUM; LINE ASSIGNMENTS; AMMONIA SPECTRA; GROUND-STATE;
WATER-VAPOR; SYSTEMS; BAND},
orcid-numbers = {Yurchenko, Sergey/0000-0001-9286-9501 Tennyson, Jonathan/0000-0002-4994-5238},
}
@article{ 16AlPoOv.HOOH,
author = {Al-Refaie, Ahmed F. and Polyansky, Oleg L. and Ovsyannikov, Roman I. and Tennyson, Jonathan and Yurchenko, Sergei N.},
title = {{ExoMol} line lists – {XV}. A new hot line list for hydrogen peroxide},
volume = {461},
number = {1},
pages = {1012-1022},
year = {2016},
doi = {10.1093/mnras/stw1295},
abstract ={A computed line list for hydrogen peroxide, H216O2, applicable to temperatures up to T = 1250 K is presented. A semi-empirical high-accuracy potential energy surface is constructed and used with an ab initio dipole moment surface as input trove to compute 7.5 million rotational-vibrational states and around 20 billion transitions with associated Einstein-A coefficients for rotational excitations up to J = 85. The resulting APTY line list is complete for wavenumbers below 6000 cm-1 (lambda < 1.67 umm) and temperatures up to 1250 K. Room-temperature spectra are compared with laboratory measurements and data currently available in the HITRAN data base and literature. Our rms with line positions from the literature is 0.152 cm-1 and our absolute intensities agree better than 10 per-cent. The full line list is available from the CDS data base as well as at www.exomol.com.},
journal = MNRAS
}
@ARTICLE{15AlOvPo.H2O2,
author = {Al-Refaie, Ahmed F. and Ovsyannikov, Roman I. and Polyansky, Oleg
L. and Yurchenko, Sergei N. and Tennyson, Jonathan},
title = {A variationally calculated room temperature line-list for {H$_2$O$_2$}},
journal = JMS,
year = {2015},
volume = {318},
pages = {84-90},
month = {DEC},
abstract = {A room temperature line list for hydrogen peroxide is computed using
a high level ab initio potential energy surface by Malyszek and Koput
(2013) with a small adjustment of the equilibrium geometry and height
of the torsional barrier and a new ab initio dipole moment surface
(CCSD(T)-f12b/aug-cc-pv (T+d)Z). In order to improve further the
ab initio accuracy, the vibrational band centers were shifted to
match experimental values when available. The line list covers the
wavenumber region up to 8000 cm(-1) with the rotational excitations
J <= 40. Room temperatures synthetic spectra of H2O2 are generated
and compared to the spectra from the HITRAN and PNNL-IR databases
showing good agrement. (C) 2015 Elsevier Inc. All rights reserved.},
doi = {10.1016/j.jms.2015.10.004},
journal-iso = {J. Mol. Spectrosc.},
keywords = {Hydrogen peroxide; Dipole moment; Infrared; Transition dipole; Vibration;
HOOH; Intensity; Variational calculations},
keywords-plus = {FAR-INFRARED-SPECTRUM; HYDROGEN-PEROXIDE; QUANTUM-CHEMISTRY; ENERGY-LEVELS;
ROTATION; MARS; MOLECULES; SPECTROSCOPY; INTENSITIES; MOTION},
orcid-numbers = {Yurchenko, Sergey/0000-0001-9286-9501 Tennyson, Jonathan/0000-0002-4994-5238},
researcherid-numbers = {Yurchenko, Sergey/G-9929-2012 Tennyson, Jonathan/I-2222-2012},
unique-id = {ISI:000365459300011}
}