@article{KleinpeterKochSahooetal.2008, author = {Kleinpeter, Erich and Koch, Andreas and Sahoo, Himansu S. and Chand, Dillip Kumar}, title = {Anisotropic effect of the nitrate anion-manifestation of diamagnetic proton chemical shifts in the 1H NMR spectra of NO3-coordinated complexes}, doi = {10.1016/j.tet.2008.03.063}, year = {2008}, abstract = {The anisotropic effect of the planar nitrate anion NO3- has been ab initio calculated employing the Nucleus- Independent Chemical Shift (NICS) concept of von Ragu{\´e} Schleyer and visualized as Iso-Chemical-Shielding Surfaces (ICSSs) of various (de)shieldings. Complexation-induced shifts in the 1H NMR spectra of nitrate/metal complexes or nitrate/receptor supramolecules can be separated now into anisotropic influences of the suitably coordinated nitrate anions and effects originating from differential sources.}, language = {en} }