Nuclear magnetic resonance studies of hydrogen bonding in ethanol

Autor:	Urner Liddel, James N. Shoolery, Edwin D. Becker
Rok vydání:	1958
Předmět:	Proton Hydrogen bond Dimer Resonance Alcohol Nuclear magnetic resonance spectroscopy Atomic and Molecular Physics and Optics chemistry.chemical_compound Nuclear magnetic resonance chemistry Molecule Physics::Chemical Physics Physical and Theoretical Chemistry Spectroscopy Equilibrium constant
Zdroj:	Journal of Molecular Spectroscopy. 2:1-8
ISSN:	0022-2852
DOI:	10.1016/0022-2852(58)90055-9
Popis:	The proton magnetic resonance of ethanol in CCl 4 solution has been studied as a function of concentration over the range pure ethanol (17 M) to 0.03 M. The shift of the OH proton frequency with concentration is interpreted in terms of hydrogen bonding between alcohol molecules, and an equilibrium constant for dimer formation is reported. The OH proton resonance of the ethanol monomer occurs slightly to the high field side of the CH 3 resonance. The value of the characteristic OH resonance frequency of the dimer (deduced from the NMR results and pertinent infrared data) suggests that the dimer is structurally different from higher polymers.
Databáze:	OpenAIRE
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