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Comparison of different methods for structural analysis of lanthanide-induced N...
Geraldes, Carlos F. G. C.; Zhang, Shanrong; Platas, C.; Rodríguez-Blas, T.; Blas, A. de; Sherry, A. D.The three main methods available in the literature for lanthanide-induced shift (LIS) structural analysis of a series of lanthanide(III) complexes in solution are applied to the data available for a complete series of paramagnetic lanthanide cryptate complexes of a Schiff base axial macrobicyclic ligand L, [LnL]3+. The macrobicycle contracts its cavity as a result of the lanthanide contraction, while preserving...
1H NMR in Solution and Solid State Structural Study of Lanthanide(III) Cryptates
Platas, C.; Avecilla, F.; Blas, A. de; Geraldes, C. F. G. C.; Rodríguez-Blas, T.; Adams, H.; Mahía, J.We present here a detailed structural comparison, both in the solid state and in aqueous solution, of a complete series of lanthanide cryptate complexes of a Schiff base axial macrobicyclic ligand L of general formula [LnL][NO3]3·xH2O (Ln = La−Lu, Y); the macrobicyclic receptor L is an azacryptand N[(CH2)2NCH−R−CHN(CH2)2]3N (R = m-C6H2OH-2-Me-5). The crystal structures of the Ce, Nd, and Eu complexes, chemical ...
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