Table 1.

Thermal decomposition data (in air flow) for complexes (1)–(4).

Complex	Step	Thermal Effect	Temperature Range (°C)	Δmexp (%)	Δmcalc (%)
(1)	1	Exothermic	320–1000	72.5	72.8
		Residue (Sm2O3)		27.5	27.2
(2)	1	Endothermic	170–300	5.0	5.3
	2	Exothermic	320–1000	72.2	72.3
		Residue (Eu2O3)		22.8	22.4
(3)	1	Endothermic	240–315	2.6	2.7
	2	Exothermic	325–1000	69.9	70.1
		Residue (Gd2O3)		27.5	27.2
(4)	1	Endothermic	210–310	2.5	2.7
	2	Exothermic	320–1000	69.6	69.9
		Residue (Tb2O3)		27.9	27.4