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Temperature Effects on Nuclear Magnetic Resonance Absorption of Hydrogens Attached to Nitrogen

Roberts, John D. (1956) Temperature Effects on Nuclear Magnetic Resonance Absorption of Hydrogens Attached to Nitrogen. Journal of the American Chemical Society, 78 (17). pp. 4495-4496. ISSN 0002-7863. doi:10.1021/ja01598a086.

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The nuclear magnetic resonance absorption of hydrogens attached to nitrogen (^(14)N) may show sharp, broad or triplet lines. Single sharp lines are obtained with amines and ammonia where exchange is rapid. Broad lines (10-75 c.p.s. at 40 mc.) are observed for many amides and pyrrole, while sharp triplet absorption has been observed for gaseous and completely anhydrous ammonia and ammonium ions in acid solution where N-H exchanges are slow. Triplet absorption is expected from spin-spin interactions between the protons and ^(14)N (I = 1).

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Additional Information:© 1956 American Chemical Society. Received June 25, 1956.
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Caltech Gates and Crellin Laboratories of Chemistry2109
Issue or Number:17
Record Number:CaltechAUTHORS:20151021-112214401
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Official Citation:TEMPERATURE EFFECTS ON NUCLEAR MAGNETIC RESONANCE ABSORPTION OF HYDROGENS ATTACHED TO NITROGEN John D. Roberts Journal of the American Chemical Society 1956 78 (17), 4495-4496 DOI: 10.1021/ja01598a086
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61376
Deposited By: Ruth Sustaita
Deposited On:21 Oct 2015 18:43
Last Modified:10 Nov 2021 22:48

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