Research Article

Hydrazine Complexes of Lanthanides with 3-Acetoxy- and 4-Acetoxybenzoic Acids: Spectroscopic, Thermal, and XRD Studies

Table 1

Analytical data of 3-abH and 4-abH complexes.

Analytical data (%)
ComplexesCarbon Fd (calc.)Hydrogen Fd (calc.)Nitrogen Fd (calc.)Hydrazine Fd (calc.)Metal Fd (calc.)

[ L a ( 3 - a b ) 3 ( N 2 H 4 ) 2 ] 43.6 (43.8)4.1 (3.9)7.3 (7.6)8.4 (8.6)18.7 (18.8)
[ C e ( 3 - a b ) 3 ( N 2 H 4 ) 2 ] 44.0 (43.7)4.0 (3.9)7.4 (7.6)8.5 (8.6)18.7 (18.9)
[ P r ( 3 - a b ) 3 ( N 2 H 4 ) 2 ] 43.1 (43.6)4.0 (3.9)7.4 (7.5)8.7 (8.6)18.9 (19.0)
[ N d ( 3 - a b ) 3 ( N 2 H 4 ) 2 ] ·H2O42.3 (42.4)4.0 (4.1)7.3 (7.3)8.3 (8.4)18.9 (18.9)
[ S m ( 3 - a b ) 3 ( N 2 H 4 ) 2 ] ·H2O42.2 (42.1)4.0 (4.1)7.2 (7.3)8.3 (8.3)19.5 (19.5)
[ G d ( 3 - a b ) 3 ( N 2 H 4 ) 2 ] 43.0 (42.7)3.7 (3.9)7.3 (7.4)8.5 (8.4)20.7 (20.7)
[ L a ( 4 - a b ) 3 ( N 2 H 4 ) ] ·H2O44.5 (44.6)3.7 (3.8)4.0 (3.9)4.4 (4.4)19.5 (19.1)
[ C e ( 4 - a b ) 3 ( N 2 H 4 ) ] ·H2O44.5 (44.5)3.6 (3.7)3.8 (3.9)4.4 (4.4)19.2 (19.3)
[ P r ( 4 - a b ) 3 ( N 2 H 4 ) ] ·H2O45.0 (44.5)3.7 (3.7)3.7 (3.8)4.4 (4.4)19.5 (19.4)
[ N d ( 4 - a b ) 3 ( N 2 H 4 ) ] ·H2O44.0 (44.3)3.6 (3.7)3.7 (3.8)4.4 (4.4)19.6 (19.7)
[ S m ( 4 - a b ) 3 ( N 2 H 4 ) ] ·H2O43.8 (43.9)3.5 (3.7)3.7 (3.8)4.3 (4.3)20.6 (20.4)
[ G d ( 4 - a b ) 3 ( N 2 H 4 ) ] ·H2O43.1 (43.5)4.1 (3.9)3.9 (3.8)4.3 (4.3)21.4 (21.1)