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For a review on the structures of alkali metal organyl compounds, see: a) E. Weiss, Angew. Chem. 1993, 105, 1565; Angew. Chem. Int. Ed. Engl. 1993, 32, 1501, and references therein;
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34
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4544387456
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Influences due to crystal-packing effects and nonclassical hydrogen bonds are still apparent.
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36
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41
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43
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Harder, S.1
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44
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4544369495
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45
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0000610637
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57
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4544229475
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note
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-1, respectively. The theoretical compliance matrix therefore gives us the possibility to compare directly the strengths of the Li-C, Li-N, and Li-O interactions, either covalent or electrostatic, in 2.
-
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58
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4544369496
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note
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13C NMR spectrum was observed for phosphorus-stabilized carbanions.[6]
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60
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0000661415
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13C NMR chemical shift to be more or less invariant between a hydrocarbon and the corresponding "classical" alkyl lithium compound has already been discussed: b) M. Bühl, N. J. R. van Eikema Hommes, P. von R. Schleyer, U. Fleischer, W. Kutzelnigg, J. Am. Chem. Soc. 1991, 113, 2459;
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