Published June 1, 1975
| public
Journal Article
Carbon-13 and Nitrogen-15 Spin-Lattice Relaxation (T_1) and Nuclear Overhauser Enhancement (NOE) Measurements for Acetamide and N,N- Dimethylacetamide
Chicago
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Abstract
Nitrogen-15 spin-lattice relaxation times (T_1's) and nuclear Overhauser enhancement (NOE) values are found to vary over a range of concentrations for acetamide. Our data indicate that intermolecular amide-amide hydrogen bonds are broken on dilution in water. Carbon-13 spin-lattice relaxation times and nuclear Overhauser enhancement measurements are given for acetamide and N,N-dimethylacetamide at 5.3 M. There is good agreement between experimental and calculated relaxation rates assuming rapid rotation of the α methyl group and slow rotation about the amide bond.
Additional Information
© 1975 American Chemical Society. Received July 6, 1974. Supported by the Public Health Service, Research Grant No. GM-11072, from the Division of General Medical Sciences, and by the National Science Foundation; Harkness Fellow of the Commonwealth Fund, New York, 1972-1974; Sherman Fairchild Distinguished Scholar at the California Institute of Technology (on sabbatical leave from the Department of Chemistry, University of Utah, 1973-1974).Additional details
- Eprint ID
- 60924
- Resolver ID
- CaltechAUTHORS:20151008-153159341
- U.S. Public Health Service (USPHS)
- GM-11072
- NSF
- New York Commonwealth Fund
- Sherman Fairchild Foundation
- Created
-
2015-10-10Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Other Numbering System Name
- Caltech Gates and Crellin Laboratories of Chemistry
- Other Numbering System Identifier
- 4916