One- and Two-dimensional Pulse Experiments

Similar to a one-dimensional experiment where is varied, in a two-dimensional experiment, a series of FIDs from experiments carried out at varying tj are processed. However, in the two-dimension experiment, the amplitudes of the signals at particular frequencies are read and Fourier-transformed a second time. The resulting signals are then a function of the two times tx and t2 and after Fourier transformation, frequencies, v and v2. The plot is usually given as a contour. 

Derome, A. Modem NMR Techniques for Chemistry Research. Pergamon Press New York, 1987. 

Abraham, R. J., Fisher, J., Loftus, P. Introduction to NMR Spectroscopy. Wiley New York, 1991. 

Nuclear Magnetic Resonance in Biochemistry. Academic Press New York, 1975. 

In Experiment 5.2, we saw that the mathematical model describing electronic transitions in solution is Beer s law (A = sbc). Using visible spectroscopy we were able to determine s, the molar absorptivity, which gives us information about the probability of electronic transitions occurring in coordination complexes. Similarly, E° from the Nernst equation (A.2.1) gives us information about redox activity of species in solution, where n is the number of electrons transferred. 

---