Abstract
The 2D exchange NMR experiment for studying ultraslow molecular motions is extended to a third frequency dimension by employing two mixing times in combination with a frequency selection technique. This allows us to detect the orientation of selected ensembles of molecules at three subsequent times. The experiment yields a plane out of a full 3D spectrum. This offers so far inaccesible information about the pathway of a molecule during a dynamic process. In particular, degeneracies can be unravelled and the Markovian character of molecular motions can be checked explicitely.
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© 1990 Springer-Verlag Berlin Heidelberg
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Schmidt-Rohr, K., Spiess, H.W. (1990). Towards 3D Exchange NMR in Solids. In: Mehring, M., von Schütz, J.U., Wolf, H.C. (eds) 25th Congress Ampere on Magnetic Resonance and Related Phenomena. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76072-3_268
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DOI: https://doi.org/10.1007/978-3-642-76072-3_268
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-53136-4
Online ISBN: 978-3-642-76072-3
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