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Dynamic properties of solid basketene as studied by deuterium and proton NMR

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Müller,  Andreas
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Zimmermann,  Herbert
Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Haeberlen,  Ulrich
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Müller, A., Zimmermann, H., Haeberlen, U., Wolff, J. J., Poupko, R., & Luz, Z. (1996). Dynamic properties of solid basketene as studied by deuterium and proton NMR. The Journal of Physical Chemistry, 100(33), 13911-13913. doi:10.1021/jp9603896.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-34B8-8
Abstract
Deuterium and proton NMR line shape and T1 relaxation measurements of solid basketene-d2 are reported. The compound is polymorphic, exhibiting a low-temperature rigid phase that transforms at 221 K to a plastic phase. Kinetic parameters for the molecular reorientation and self-diffusion in the high-temperature phase are derived, yielding the Arrhenius law parameters A = 4 × 1013 s-1, E = (13.8 ± 0.5) kJ mol-1 for reorientation and Ad=1.2 × 1013 s-1, Ed = (39 ± 2) kJ mol-1 for self-diffusion