Variational transition state theory: theoretical framework and recent developments

JL Bao, DG Truhlar - Chemical Society Reviews, 2017 - pubs.rsc.org
This article reviews the fundamentals of variational transition state theory (VTST), its recent
theoretical development, and some modern applications. The theoretical methods reviewed …

Multi-path variational transition state theory for chiral molecules: the site-dependent kinetics for abstraction of hydrogen from 2-butanol by hydroperoxyl radical …

JL Bao, R Meana-Pañeda, DG Truhlar - Chemical science, 2015 - pubs.rsc.org
The goal of the present work is modeling the kinetics of a key reaction involved in the
combustion of the biofuel 2-butanol. To accomplish this we extended multi-path variational …

Kinetics of hydrogen radical reactions with toluene including chemical activation theory employing system-specific quantum RRK theory calibrated by variational …

JL Bao, J Zheng, DG Truhlar - Journal of the American Chemical …, 2016 - ACS Publications
Pressure-dependent reactions are ubiquitous in combustion and atmospheric chemistry. We
employ a new calibration procedure for quantum Rice–Ramsperger–Kassel (QRRK) …

Identification of torsional modes in complex molecules using redundant internal coordinates: The multistructural method with torsional anharmonicity with a coupled …

W Chen, P Zhang, DG Truhlar, J Zheng… - Journal of Chemical …, 2022 - ACS Publications
Identification of internal-rotation modes in the normal-mode analysis of complex molecules
is important for accurately describing the thermodynamic properties and kinetics of complex …

Experimental and modeling study of C2–C4 alcohol autoignition at intermediate temperature conditions

S Cheng, D Kang, SS Goldsborough… - Proceedings of the …, 2021 - Elsevier
C2–C4 alcohols are advantageous blendstocks identified by many research groups,
including the US Department of Energy Co-Optima Initiative, towards enabling efficient …

Path-dependent variational effects and multidimensional tunneling in multi-path variational transition state theory: rate constants calculated for the reactions of HO 2 …

JL Bao, P Sripa, DG Truhlar - Physical Chemistry Chemical Physics, 2016 - pubs.rsc.org
Multi-path variational transition state theory (MP-VTST) provides a conformationally
complete framework for calculating gas-phase rate constants. For reactions in which the …

An improved detailed chemical kinetic model for C3-C4 linear and iso-alcohols and their blends with gasoline at engine-relevant conditions

C Saggese, CM Thomas, SW Wagnon… - Proceedings of the …, 2021 - Elsevier
Propanol and butanol isomers have received significant research attention as promising fuel
additives or neat biofuels. Robust chemical kinetic models are needed that can provide …

Simplified protocol for the calculation of multiconformer transition state theory rate constants applied to tropospheric OH-initiated oxidation reactions

LP Viegas - The Journal of Physical Chemistry A, 2021 - ACS Publications
Chemical kinetics plays a fundamental role in the understanding and modeling of
tropospheric chemical processes, one of the most important being the atmospheric …

Influence of multiple conformations and paths on rate constants and product branching ratios. thermal decomposition of 1-propanol radicals

D Ferro-Costas, E Martínez-Núñez… - The Journal of …, 2018 - ACS Publications
The potential energy surface involved in the thermal decomposition of 1-propanol radicals
was investigated in detail using automated codes (tsscds2018 and Q2DTor). From the …

Multistructural anharmonicity controls the radical generation process in biofuel combustion

L Xing, Z Wang, DG Truhlar - Journal of the American Chemical …, 2019 - ACS Publications
The OH radical plays an important role in combustion, and isopentanol (3-methylbutan-1-ol)
is a promising sustainable fuel additive and second-generation biofuel. The abstractions of …