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Primary 1H/2H isotope effect in the NMR chemical shift of HClO4 salts of 1,8-bis(dimethylamino)naphthalene derivatives.
Autorzy
Rok wydania
2007
Czasopismo
Journal of Physical Organic Chemistry
Numer woluminu
20
Strony
643-648
DOI
10.1002/poc.1219
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The primary 1H/2H isotope effect for a number of protonated naphthalene proton sponges (DMAN-s) was measured and correlated with the δ(1H) value and IR spectroscopic characteristics of the [NHN]+ hydrogen bonds. A particular role of the unusual anharmonicity expressed in the isotopic ratio ISR ≫ is discussed when the fundamental vibrational levels are close to the barrier top for proton/deuteron motion.
Adres publiczny
https://doi.org/10.1002/poc.1219
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