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NMR Longitudinal cross relaxation induced by natural abundance 13C-13C dipolar interaction in organic solids. Hexamethylethane

✍ Scribed by J. Virlet; D. Ghesquieres


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
466 KB
Volume
73
Category
Article
ISSN
0009-2614

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✦ Synopsis


m fiial form 21 March 1980 '3C-'3C dlpolar mteraction can lead to strong cross-relaxation effects, in organic sohds. even at natural levels of 13C isotopic abundance. Such an effect observed in hexamethylethane is reported here. Calculated values of the cross-relaxation rate, due to molecular translation and rlgd lattice fhp-flops. agree with the expenmental results.


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## Abstract Splittings in the ^13^C cross‐polarization magic angle spinning spectra of 1, 4‐dibromobenzene and 4‐bromo‐3, 5‐dimethylpyrazole are reported. They arise from (^79,81^Br, ^13^C) interactions influenced by the quadrupolar nature of the bromine nuclei. They are analysed using both ‘invers