The performance of the new 6-31G(##) basis set: molecular structures and vibrational frequencies of transition metal carbonyls.
Bolshakov VI, Rossikhin VV, Voronkov EO, Okovytyy SI, Leszczynski J. The performance of the new 6-31G(##) basis set: molecular structures and vibrational frequencies of transition metal carbonyls. J Comput Chem. 2007 Mar; 28(4):778-82.