Relative Signs of Geminal and Vicinal Coupling Constants in 1,1,4,4-Tetramethylcyclohexyl-cis-2,6-Diacetate
- 15 November 1962
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 37 (10), 2480-2483
- https://doi.org/10.1063/1.1733031
Abstract
The proton—proton double resonance spectrum of 1,1,4,4‐tetramethylcyclohexyl‐cis‐2,6‐diacetate is analyzed using a Hamiltonian made stationary by transformation to a rotating coordinate system. Frequency‐sweep spectra are calculated by numerical diagonalization of the Hamiltonian, and the field‐sweep spectra are obtained by a graphical method. The geminal and vicinal proton spin—spin coupling constants in this molecule are opposite in sign.Keywords
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