Describing transition metal homogeneous catalysis using the random phase approximation

Julianna Chedid, Nashali M. Ferrara, Hendrik Eshuis

Research output: Contribution to journalArticle

Abstract

The performance of the direct random phase approximation (RPA) method based on a Kohn–Sham reference for transition metal chemistry is studied by making comparison to (dispersion-corrected) density functional theory (DFT) and (spin-scaled) Møller–Plesset theory. The recently developed local-pair coupled-cluster method DLPNO-CCSD(T) is used as a benchmark. Emphasis is placed on the study of complete realistic mechanisms and reactions involving large systems. Electronic energies for the mechanism of C–H and C–C bond activation by rhodium fragments are presented as well as for ruthenium-catalyzed olefin metathesis. In addition, the WCCR10 test set, which comprises ten reactions, is revisited, and reaction energies for the reaction of a μ-chloride-bridged palladacyclic dimer with phosphane ligands are presented. RPA yields results that are on average within 2–3 kcal/mol of the theoretical benchmark with a maximum deviation of 5 kcal/mol. Of the methods studied, RPA behaves most systematically and is able to provide results of similar accuracy to dispersion-corrected functionals. RPA can thus serve as a complementary method to DFT to obtain insight into transition metal chemistry. Attention is paid to the basis set convergence behavior of RPA as well.

Original languageEnglish
Article number158
JournalTheoretical Chemistry Accounts
Volume137
Issue number11
DOIs
StatePublished - 1 Nov 2018

Fingerprint

phosphine
Catalysis
catalysis
Transition metals
Density functional theory
transition metals
Rhodium
Ruthenium
Alkenes
approximation
Dimers
Chlorides
Chemical activation
Ligands
chemistry
density functional theory
metathesis
rhodium
functionals
ruthenium

Keywords

  • Benchmarking
  • Catalysis
  • Electronic structure theory
  • Random phase approximation
  • Reaction energies
  • Transition metal chemistry

Cite this

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Describing transition metal homogeneous catalysis using the random phase approximation. / Chedid, Julianna; Ferrara, Nashali M.; Eshuis, Hendrik.

In: Theoretical Chemistry Accounts, Vol. 137, No. 11, 158, 01.11.2018.

Research output: Contribution to journalArticle

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