YNAMIC NMR STUDIES ON [Li(3D)] [La(η^(3)-C_(3)H_(5))_(4)]

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摘要 The dynamic 1H-NMR studies on [Li(3D)][La (η3-C3H5)4](D=dioxane) are reported. The spectrum of hydrogens in allyl groups from AA'MM'X to AX4 as the temperature was raised through the range of-72 to 70℃. The constants of Ea(potential energy barrier) and A (frequency factor) for the site exchange of hydrogens in CH2 groups are obtained using Arrhenius equation. The dynamic 1H-NMR studies on [Li(3D)][La (η3-C3H5)4](D=dioxane) are reported. The spectrum of hydrogens in allyl groups from AA'MM'X to AX4 as the temperature was raised through the range of-72 to 70℃. The constants of Ea(potential energy barrier) and A (frequency factor) for the site exchange of hydrogens in CH2 groups are obtained using Arrhenius equation.

出处《Chinese Chemical Letters》 SCIE CAS CSCD 1994年第5期393-394,共2页 中国化学快报（英文版）

分类号 O657.3 [理学—分析化学]

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Chinese Chemical Letters

1994年第5期

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YNAMIC NMR STUDIES ON [Li(3D)] [La(η^(3)-C_(3)H_(5))_(4)]

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