Synthesis and magneto-spectral investigations of some six and nine coordinated complexes of lanthanides(III) derived from 4[N-(2′-hydroxy-1′-naphthalidene) amino]antipyrinethiosemicarbazone

Abstract

The present work describes the synthesis and characterization of some six and nine coordinated complexes of trivalent lanthanide(III) with 4[N-(2´-hydroxy-1´-naphthalidene)amino]antipyrinethiosemicarbazone (HNAAPTS). All the complexes have the general composition LnX 3 .n(HNAAPTS) (X = NO 3 -, n = 1; X = NCS -or ClO 4 -, n = 2). The complexes were characterized through elemental analyses, molar mass, conductivity measurements, magnetic susceptibilities, and infrared and electronic spectra. Infrared spectra revealed that HNAAPTS acts as a neutral tridentate (N,N,S) donor. The coordination number in these complexes is either six or nine depending on the nature of the anionic ligand.

Copper(II) Complexes with Ligands Derived from 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one: Synthesis and Biological Activity

“…The antimicrobial activity of the Schiff bases of antipyrine and their complexes have been discussed previously [9][10][11][12][13][14][15][16].…”

Synthesis and Biological Activity of Dysprosium Lanthanide Complex with Azo Ligand

“…Shown combined spectra of TAR & Dy 3+ complex. resorcinol ring appears in the range at δ 6.46-7.95 ppm [28]. The signals of the 1 H-NMR spectra as well as the important bands in the IR spectra are having been and discussed in contact to molecular structure.…”