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The Magnetic Shielding Polarizabilities of Some Tetrahedral Molecules
Department of Chemistry, The University, Sheffield S3 7HF, UK
* Author to whom correspondence should be addressed.
Received: 25 May 2000; Accepted: 23 August 2000 / Published: 9 September 2000
Abstract: TMS is the commonest standard reference for both protons and 13C NMR spectroscopy. The Magnetic Shielding and its Polarizabilities, plus the static polarizability have been calculated for TMS, tetramethyl ammonium cation and 2,2-dimethylpropane. An investigation of continuum solvation effects on these highly symmetrical molecules, whose first surviving electric moment is the octopole, showed interaction with solvent makes little change to these magnetic properties. This small change is however consistent with both the high symmetry of the molecules and the available extensive experimental data for TMS. A rationalization of the signs and magnitudes of A in a sequence of related molecules has been suggested.
Keywords: Magnetic; Shielding; Buckingham and TDMS
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Grayson, M.; Chittenden, P. The Magnetic Shielding Polarizabilities of Some Tetrahedral Molecules. Int. J. Mol. Sci. 2000, 1, 49-60.
Grayson M, Chittenden P. The Magnetic Shielding Polarizabilities of Some Tetrahedral Molecules. International Journal of Molecular Sciences. 2000; 1(3):49-60.
Grayson, Martin; Chittenden, Paul. 2000. "The Magnetic Shielding Polarizabilities of Some Tetrahedral Molecules." Int. J. Mol. Sci. 1, no. 3: 49-60.