Technetium-99 NMR spectroscopy: chemical shift trends and long range coupling effects
作者： Lynne A. O'Connell , Ronald M. Pearlstein , Alan Davison , John R. Thornback , James F. Kronauge
DOI: 10.1016/S0020-1693(00)90112-9
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摘要: Abstract Values for the chemical shifts and linewidths of a variety technetium compounds in oxidation states V, III I were measured. Correlations between shift state, ligand field strength shielding effects these, other previously measured compounds, are discussed. An extensive series substituted hexakis(isonitrile)technetium(I) was studied which exhibits range over 75 ppm. Studies coupling 99Tc nuclei, including four-bond, long 99Tc-1H coupling, described.
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