Heteronuclear Double Resonance in NMR Spectroscopy: Relaxation of Multiple Quantum Coherences

Theoretical and experimental investigations of the relaxation rates of multiple-quantum coherences during heteronuclear double resonance (HDR) pulse sequences are presented. Average Liouvillian theory yields analytical expressions to describe the effective relaxation rates of multiple-quantum coherences during HDR irradiation. Experiments were carried out on a C-13-H-1 pair in glycerol to measure the effective auto- and cross-relaxation rates of multiple-quantum coherences during HDR schemes. The experimental results exhibit a very good agreement with theoretical predictions, even when the average Liouvillian expansion is truncated to zeroth order.


Published in:
J. Chem. Phys., 131, 224503-1 - 22503-9
Year:
2009
Keywords:
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 Record created 2009-12-22, last modified 2018-03-17


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