摘要:
The title complexes have been synthesized by the reaction of lanthanide nitrate, Ln(NO3)3(H2O)x, with 4-[2-(4-dimethylamino phenyl)-vinyl]-1-methylpyridinium nitrate in anhydrous ethanol and have been characterized by TG-DTA, molar conductance, IR, UV, H-1 NMR spectra and X-ray powder diffraction. The crystal structure of the La complex was investigated using a four-circle single-crystal X-ray diffractometer. The La atom is 12-coordinate with six bidentate nitrates forming a slightly distorted icosahedral geometry.