Synthesis, Structural Characterization, and Antibacterial Activity of Novel Erbium(III) Complex Containing Antimony

Table 3

Thermal decomposition data of the title complex.

Reaction	Temperature (°C)	Mass loss (%)
		mexp	mtheor
[Sb2(edta)2-μ4-Er(H2O)4]NO3·4H2O
↓ −8H2O	70–220	12.00	12.08
[Sb2(edta)2Er]NO3
↓ −NO2, −1/4O2	220–310	4.28	4.53
[Sb2(edta)2Er]O0.5
↓ −2(CH2)2NCH2COO, −1/4O2	310–360	18.05	17.45
(Sb–Sb)[N(CH2COO)3]2(Er–Er)0.5
↓ −2N(CH2)3, –2CO	360–430	14.69	14.09
(OSbO–OSbO)(CO)4(OErO–OErO)0.5
↓ −4CO, –3/4O2	430–510	11.36	11.40
Sb2O3 + 0.5Er2O3		39.62^a	40.45^b

^aThe experimental mass percent of the residue in the sample; ^bthe calculated mass percent of the residue in the sample.