Zr(IV), La(III), and Ce(IV) Chelates with 2-[(4-[(Z)-1-(2-Hydroxyphenyl)ethylidene]aminobutyl)-ethanimidoyl]phenol: Synthesis, Spectroscopic Characterization, and Antimicrobial Studies

Table 1

CHN elemental analysis data and some physical properties of Schiff base ligand and its chelates.

					Elemental analysis%
Schiff base/chelate	Mol.Wt	Colour	m.p. (°C)	Yield %	Cal (Obs)
					C%	H%	N%
SB	324.43	Lemon-yellow	194	85.61	74.20; (74.00)	7.38; (7.46)	8.69; (8.64)	—
Zr(L)·4H2O	537.84	Shinny white	>300	63.76	38.14; (38.24)	7.37; (7.45)	4.45; (4.55)	5.28
La(L)·5H2O	587.55	Yellow canary	>300	73.91	47.99; (48.52)	7.51; (7.39)	3.66; (3.62)	4.31
Ce(L)·3H2O	550.56	Canary	>300	67.70	34.43; (35.13)	7.08; (7.09)	4.01; (4.33)	2.49

=  cm² mol⁻¹.