Affiliation:
1. Institut für Anorganische Chemie Georg-August Universität Göttingen Tammannstraße 4 37077 Göttingen Germany
Abstract
AbstractA new NMR method for the structure elucidation of lithium compounds under solution‐like conditions is presented. It is based on the measurement of 7Li residual quadrupolar couplings (RQCs) in a stretched polystyrene (PS) gel, and comparison to RQCs predicted from crystal or DFT‐derived model structures in combination with alignment tensors derived from one‐bond 1H,13C residual dipolar couplings (RDCs). The method was applied to five lithium model complexes containing monoanionic, bidentate bis(benzoxazole‐2‐yl)methanide, bis(benzothiazole‐2‐yl)methanide and bis(pyridyl)methanide ligands, of which two are first introduced in this work. In agreement with the crystalline state, four complexes are monomeric with Li coordinated fourfold by two additional THF molecules, whereas in one complex bulky tBu groups only provide space for one additional THF molecule.
Funder
Deutsche Forschungsgemeinschaft
Subject
General Chemistry,Catalysis,Organic Chemistry
Cited by
6 articles.
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