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|Title:||How accurate are electronic structure methods for actinoid chemistry?|
|Authors:||AVERKIEV Boris; MANTINA Manjeera; VALERO Rosendo; INFANTE Ivan; KOVACS ATTILA; TRUHLAR Donald G.; GAGLIARDI L|
|Citation:||THEORETICAL CHEMISTRY ACCOUNTS vol. 129 p. 657-666|
|Type:||Articles in periodicals and books|
|Abstract:||The CASPT2, CCSD, and CCSD(T) levels of wave function theory and seven density functionals were tested against experiment for predicting the ionization potentials and bond dissociation energies of actinoid monoxides and dioxides with their cations. The goal is to guide future work by enabling the choice of an appropriate method when performing calculations on actinoid-containing systems. We found that four density functionals, namely, MPW3LYP, B3LYP, M05, and M06, and three levels of wave function theory, namely CASPT2, CCSD, and CCSD(T), give similar mean unsigned errors for actinoid–oxygen bond energies and for ionization potentials of actinoid oxides and their cations.|
|JRC Directorate:||Nuclear Safety and Security|
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