R. Harris, B. Kimber
Feb 1, 1975
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Journal
Journal of Magnetic Resonance
Abstract
Abstract Twelve trimethylsilyl compounds have been studied by 29 Si and 13 C NMR. Data for chemical shifts, coupling constants, and spin-lattice relaxation times are reported. Nuclear Overhauser effect measurements, made using the gated decoupling technique, enable the contributions of different mechanisms to the T 1 values to be partly evaluated. Influences of substituent electronegativity on the chemical shifts and coupling constants are discussed. A method used to measure the chemical shifts, which does not involve a reference compound in the sample solution, is described in detail.