The Proton NMR Shifts and the Local Electric Field in Solid MgCl_2・6H_2O and in AlCl_3 Solution

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概要

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• The proton NMR shifts ？σ of the watet molecule co-ordinated to the cation in the crystal hexahydrate of magnesium chloride as well as in the aqueous solution of aluminium chloride relative to the pure liquid water at 0℃, have been observed. These shifts would largely depend on the component of the electric field F_⫽ (e.s.u.) parallel to the direction of the OH bond of a water molecule, produced by the surrounding ions or neighbouring water molecules. The observed shifts ？σ are found to depend practically linearly on the calculated values of F_⫽, and can be represented approximately by an empirical formula ？σ=5.0×10^<-6>F⫽+4.2(ppm), where H⟶O direction being taken to be positive.

• 社団法人日本物理学会の論文
• 1973-11-05

著者

• Takahashi Akira

  The Institute For Solid State Physics The University Of Tokyo:department Of Physics Faculty Of Techn

関連論文

• The Proton NMR Shifts and the Local Electric Field in Solid MgCl_2・6H_2O and in AlCl_3 Solution
• NMR Studies on Proton Transfer between Hydration- and Solvent-Water Molecules in Aqueous Solution of AlCl_3
• Proton NMR Shift in the Powder of MgCl_2・6H_2O

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