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A Standard Set of Pericyclic Reactions of Hydrocarbons for the Benchmarking of Computational Methods: The Performance of ab Initio, Density Functional, CASSCF, CASPT2, and CBS-QB3 Methods for the Prediction of Activation Barriers, Reaction Energetics, and Transition State Geometries

Guner, Vildan, Khuong, Kelli S., Leach, Andrew G., Lee, Patrick S., Bartberger, Michael D., Houk, K. N.·2003·The Journal of Physical Chemistry A

Abstract

Experimental and theoretical data are provided for a set of 11 pericyclic reactions of unsaturated hydrocarbons. Literature experimental data are evaluated and standardized to Δ H ⧧ 0K for comparison to theory. Hartree−Fock, MP2, CASSCF, CASPT2, density functional theory (B3LYP, BPW91, MPW1K, and KMLYP functionals), and CBS-QB3 transition-structure geometries, activation enthalpies and entropies, and reaction enthalpies and entropies for these reactions are reported and are compared to experimental results. For activation enthalpies, several density functionals rival CASPT2 and CBS-QB3 for closest agreement with experiment, while CASPT2 and CBS-QB3 provide the most accurate heats of reaction. Transition-structure geometries are reproduced well by all methods with the exception of the Cope rearrangement and cyclopentadiene dimerization transition structures.

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Metadata

Authors
Guner, V., Khuong, K. S., Leach, A. G., Lee, P. S., Bartberger, M. D., & Houk, K. N.
Venue
The Journal of Physical Chemistry A
Published
2003-11-22
Volume
107
Issue
51
Pages
11445-11459
ISSN
  • 1089-5639 (ISSN-L)
  • 1520-5215
OpenAlex
W2099629334
Cited by
354
References
3
FWCI
14.76
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Standard Set of Pericyclic Reactions of Hydrocarbons for the Benchmarking of Computational Methods: The Performance of ab Initio, Density Functional, CASSCF, CASPT2, and CBS-QB3 Methods for the Prediction of Activation Barriers, Reaction Energetics, and Transition State Geometries. https://app.cochat.ai/papers/10.1021/jp035501w
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Guner, V., Khuong, K. S., Leach, A. G., Lee, P. S., Bartberger, M. D., & Houk, K. N. (2003). A Standard Set of Pericyclic Reactions of Hydrocarbons for the Benchmarking of Computational Methods: The Performance of ab Initio, Density Functional, CASSCF, CASPT2, and CBS-QB3 Methods for the Prediction of Activation Barriers, Reaction Energetics, and Transition State Geometries. The Journal of Physical Chemistry A. https://doi.org/10.1021/jp035501w

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