A detailed kinetic submechanism for OH∗ chemiluminescence in hydrogen combustion revisited. Part 1

AS Sharipov, BI Loukhovitski, AV Pelevkin… - Combustion and …, 2024 - Elsevier
In this series of two papers, we present a novel physically sound kinetic submechanism
aimed at modeling the formation and decay of chemiluminescent (electronically excited) …

Predissociation dynamics of the A2Σ+ state of SH radical: Fine-structure state distributions of the S (3PJ) products

Y Qin, X Zheng, Y Song, G Sun, J Zhang - The Journal of Chemical …, 2023 - pubs.aip.org
Photo-predissociation of rovibrational levels of SH (A 2 Σ+, v′= 0–6) is studied using the
high-n Rydberg atom time-of-flight technique. Spin–orbit branching fractions of the S (3 PJ …

Vibrational energy levels and predissociation lifetimes of the A2Σ+ state of SH/SD radicals by photodissociation spectroscopy

Y Qin, X Zheng, Y Song, G Sun, J Zhang - The Journal of Chemical …, 2022 - pubs.aip.org
The SH radical is an important intermediate in atmospheric sulfur chemistry and fossil fuel
combustion processes producing sulfur-containing pollutants. SH is also of interest in …

[HTML][HTML] Predissociation dynamics of the hydroxyl radical (OH) based on a five-state spectroscopic model

GB Mitev, J Tennyson, SN Yurchenko - The Journal of Chemical …, 2024 - pubs.aip.org
Multi-reference configuration interaction potential energy curves (PECs) and spin–orbit
couplings for the X 2 Π, A 2 Σ+, 1 2 Σ−, 1 4 Σ−, and 1 4 Π states of OH are computed and …

[HTML][HTML] Observation of rotationally dependent fine-structure branching ratios near the predissociation threshold N (2D5/2, 3/2)+ N (2D5/2, 3/2) of 14N2

P Jiang, L Lu, H Gao - The Journal of Chemical Physics, 2022 - pubs.aip.org
Photofragment spin–orbit fine-structure branching ratios have long been predicted to
depend on the rotational quantum number J′ by theory near the dissociation thresholds of …

Unimolecular dissociation dynamics of electronically excited HCO (Ã 2 A′′): rotational control of nonadiabatic decay

G Sun, S Han, X Zheng, Y Song, Y Qin, R Dawes… - Faraday …, 2022 - pubs.rsc.org
The photoinduced unimolecular decay of the electronically excited HCO (Ã2A′′) is
investigated in a combined experimental–theoretical study. The molecule is excited to the (1 …

Photodissociation dynamics of the ethyl radical via the Ã2A′(3s) state: H-atom product channels and ethylene product vibrational state distribution

G Sun, X Zheng, Y Song, W Zhou… - The Journal of Chemical …, 2023 - pubs.aip.org
The photodissociation dynamics of jet-cooled ethyl radical (C 2 H 5) via the A ̃ 2 A′(3s)
states are studied in the wavelength region of 230–260 nm using the high-n Rydberg H …

Two-photon dissociation dynamics of the mercapto radical

Y Qin, X Zheng, Y Song, G Sun, J Zhang - … Chemistry Chemical Physics, 2022 - pubs.rsc.org
Two-photon dissociation dynamics of the SH/SD radicals are investigated using the high-n
Rydberg atom time-of-flight (HRTOF) technique. The H/D (2S)+ S (1D) and H/D (2S)+ S (1S) …

Fine-structure branching ratios N (2D5/2)/N (2D3/2) above threshold N (2D5/2.3/2)+ N (2D5/2.3/2) for 14N2 and 15N2

L Lu, P Jiang, M Cheng, H Gao - Chinese Journal of Chemical Physics, 2024 - pubs.aip.org
Accurate measurements of the product spin-orbit finne-structure branching ratios are
important for understanding the detailed photodissociation dynamics of small molecules. In …

Ридберговские состояния радикала ОН

АС Корнев, ВЕ Чернов, БА Зон… - Оптика и спектроскопия, 2021 - mathnet.ru
Рассмотрены ридберговские состояния радикала ОН в адиабатическом
(вращательное приближение Борна–Оппенгеймера) и в обратном ему пределах …