Sigma-Aldrich is another place to look for NMR and IR spectra: www.SigmaAldrich.com
After you
search the compound click for information on the
specific product, then select the "Safety &
Documentation". If NMR data is available there will
be a link labeled "FT-NMR" in the Documents list.
C-13 NMR Shift
Predictor** http://www.colby.edu/chemistry/PChem/scripts/MarvinWeb/smiBSmarv.html **Beware putting too
much credence in the NMR predictors. These only
predict spectral data based on a relatively small set
of known compounds' spectra. The results obtained
cannot by any stretch be used as "true",
"literature", or "theoretical" values. However,
sometimes they can be used as a "guesstimate" of where
your peaks should be.