3D HCN and HNC NOESY

From NMR Wiki

Spectra have no strong diagonal peaks due to orthogonal filtration on two heteronuclei. Spectra show NOE's between CH and NH protons. Together the two experiments provide pseudo-4D information while benefiting from better S/N ratio and resolution of 3D spectra.

1. Diercks, T and Coles, M and Kessler, H. An efficient strategy for assignment of cross-peaks in 3D heteronuclear NOESY experiments. Journal of Biomolecular NMR 15(2):177--180, 1999. BibTeX [kessler99]