13C chemical shielding tensors in single crystals of tetraacetylethane |
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| Affiliation: | 1. Department of Chemistry & Biochemistry, Florida State University, Tallahassee, FL, 32306, USA;2. National High Magnetic Field Laboratory, Tallahassee, FL, 32310, USA;3. Department of Chemistry & Biochemistry, University of Windsor, Windsor, ON, N9B 3P4, USA;1. Department of Chemical and Biological Physics, Weizmann Institute, Rehovot 7610001, Israel;2. Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA;3. National High Magnetic Field Laboratory, 1800 East Paul Dirac Drive, Tallahassee, FL 32310, USA;1. US DOE Ames National Laboratory, Ames, IA 50011, USA;2. Iowa State University, Department of Chemistry, Ames, IA 50011, USA;3. University of Stuttgart, Department of Chemistry, Stuttgart, Baden-Württemberg, 70569, Germany;1. Department of Chemistry, University of California, Riverside, Riverside, CA, United States;2. Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, United States |
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| Abstract: | ![]()
The orientations of the principal axes of the 13C chemical shielding tensor of the double-bonded C5 carbon nucleus in single crystals of 1,1,2,2-tetraacetylethane are essentially identical with those of an aromatic carbon nucleus. That observation and the similarities between the tensors of the carbonyl and the enolic carbon nuclei result from strong intramolecular hydrogen bonding. |
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