Distinction Between Light and Heavy Lanthanide (III) Ions Based on the 1H NMR Spectra of Heteroleptic Triple-Decker Phthalocyaninato Sandwich Complexes
作者： Dennis P. Arnold , Jianzhuang Jiang
DOI: 10.1021/JP0105847
关键词: Yttrium 、 Ion 、 Homoleptic 、 Proton NMR 、 Analytical chemistry 、 Chemistry 、 Crystallography 、 Spectral line 、 Phthalocyanine 、 Chemical shift 、 Lanthanide
摘要: The 1H NMR spectra of two series heteroleptic triple-decker phthalocyaninato sandwich complexes the rare earth(III) ions have been recorded. ligands comprise unsubstituted phthalocyanine (Pc) and 2,3,9,10,16,17,23,24-octakis(1‘-octyloxy)phthalocyanine (Pc*), are form PcMPc*MPc (series 1) PcMPc*MPc* 2), where M = Pr − Tm (except Pm, Gd). In some cases, homoleptic Pc*MPc*MPc* 3) were also available. chemical shifts five proton positions in 1, 10 2 compared with for analogous diamagnetic yttrium(III) ion. experimental lanthanide-induced (LIS) separated into contact dipolar contributions using crystal-field dependent methods Reilley co-workers. This work represents first analysis LIS lanthanide complexes. results showed a dominance but revealed that in...
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