Synthesis, characterization and spectra of lanthanide(III) hydrazone complexes
摘要:
A series of nine new lanthanide(III) complexes of the type [Ln(PBH)(2)(NO3)(2)]NO3. xH(2)O (PBH = 2-pyridinecarboxaldehyde benzoylhvdrazone) have been prepared and studied by IR, UV-Vis and mass spectra. In addition the crystal structures of PBH .H2O and [Er(PBH)(2)(NO3)(2)]NO3.1.5H(2)O have been solved. Erbium atom is ten-coordinate and the coordination polyhedron is best described as a distorted bicapped square antiprism. (C) 2000 Elsevier Science B.V. All rights reserved.