ABSTRACT
Introduction ............................................................................................................ 130 NOE NMR ............................................................................................................. 131
Examples on the Elucidation of the Supramolecular Structure by NOE NMR ........................................................................................................ 131
Relative Cation-Anion Orientation(s) in Transition-Metal-Complex Ion Pairs .............................................................................................................. 131 Host-Guest Adducts ...................................................................................... 134
NOE Dependence on the Internuclear Distance ................................................ 141 The Effect of Correlation Time and Internal Motions .................................. 142 Basic Pulse Sequences for Measuring NOEs ............................................... 143
Examples on the Estimation of Internuclear Distances..................................... 144 Exchange Spectroscopy ......................................................................................... 148
Examples of Supramolecular Host-Guest Exchange Processes ........................ 150 Diffusion NMR ...................................................................................................... 151
Data Processing ................................................................................................. 155 From Dt to the Hydrodynamic Dimensions ...................................................... 157 Examples of Applications of Diffusion NMR Techniques ................................ 158
Semiquantitative Investigation of the Dendrimer Size ................................. 158 Monomer-Dimer Discrimination .................................................................. 159 Noncovalent Dimerization ............................................................................ 159 Ion Pairing and Further Aggregation ............................................................ 159 Quantum Dots .............................................................................................. 163 Supramolecular Self-Assembly .................................................................... 164 Self-Aggregation of Spherical Organometallic Particles ............................. 166
Weak interactions1 are central to chemistry. They strongly affect the conformation and aggregation of biomolecules, the packing of solid materials, and the performances and stereo-differentiation of homogeneous catalysts.
