Assessment of CCSD(T)-F12 Approximations and Basis Sets for

Apr 8, 2014 - •S Supporting Information. ABSTRACT: We consider basis set convergence and the effect of various approximations to CCSD(T)-F12 for a...
0 downloads 0 Views 597KB Size
Article pubs.acs.org/JCTC

Assessment of CCSD(T)-F12 Approximations and Basis Sets for Harmonic Vibrational Frequencies Jan M. L. Martin* and Manoj K. Kesharwani Department of Organic Chemistry, Weizmann Institute of Science, 76100 Reh̲ovot, Israel S Supporting Information *

ABSTRACT: We consider basis set convergence and the effect of various approximations to CCSD(T)-F12 for a representative sample of harmonic frequencies (the HFREQ2014 set). CCSD(T*)(F12*)/cc-pVDZ-F12 offers a particularly favorable compromise between accuracy and computational cost: its RMSD