Re: CCL:Semiempirical vibration frequencies



John,
 A.P. Scott & L. Radom, J. Phys. Chem. 1996, 100, 16502-16513,
 compare the vibrational frequencies predicted by AM1 and PM3
 with those obtained with a variety of HF, MP2, QCISD, and DFT
 procedures.
 Jens >--<
 > CCLers,
 >
 > Could anyone point me to references comparing vibration frequencies from
 > semiempirical methods with those fron ab initio or DFT?
 >
 > Many thanks!
 >
 > John McKelvey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 JENS SPANGET-LARSEN         Office:         +45 4674 2710
 Department of Chemistry     Fax:            +45 4674 3011
 Roskilde University (RUC)   Mobile:         +45 2320 6246
 P.O.Box 260                 E-Mail:        spanget-.at.-ruc.dk
 DK-4000 Roskilde, Denmark   http://virgil.ruc.dk/~spanget
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=