Two-dimensional Nuclear Magnetic Resonance Spectroscopy - Through-space Correlation Methods

Through-space Correlation Methods

These methods establish correlations between nuclei which are physically close to each other regardless of whether there is a bond between them. They use the Nuclear Overhauser effect (NOE) by which nearby atoms (within about 5 Å) undergo cross relaxation by a mechanism related to spin–lattice relaxation.

Read more about this topic:  Two-dimensional Nuclear Magnetic Resonance Spectroscopy

Other articles related to "method, correlation":

Two-dimensional Nuclear Magnetic Resonance Spectroscopy - Through-space Correlation Methods - Rotating Frame Nuclear Overhauser Effect Spectroscopy (ROESY)
... This method is useful for certain molecules whose rotational correlation time falls in a range where the Nuclear Overhauser effect is too weak to be detectable, usually molecules with a ... rate constant goes from positive to negative as the correlation time increases, giving a range where it is near zero, whereas in ROESY the cross-relaxation rate constant is always positive ...

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