Table 3.

Thermal analysis data of mixed ligand complexes of rare-earth metal-acesulfamato/N,N-diethylnicotinamide.

Complex		Temperature Range (°C)	DTAmax (°C)	LeavingGroup	Mass Loss(%)		RemainedProduct (%)		Decomp.Product	Colour
					Exp.	Theor.	Exp.	Theor.
[Eu(C4H4NO4S)2(C10H14N2O)2(H2O)2](C4H4NO4S).H2OC32H46EuN7O17S31048.90 g/mol	1	42–99	89	H2O	2.07	1.72				pale-pink
	2	100–185	144	2H2O	3.34	3.43
	3	186–220	–214	3/2SO2	9.02	9.16
	4	269–427	335	2C5H10NO;3C2H3	26.52	26.83
	5	428–718	450;586	2C5H4N	14.16	14.89
	6	719–931	737	3C2HNO	15.12	15.74	29.77	28.23	1/2Eu2(SO4)3	black
[Tb(C4H4NO4S)2(C10H14N2O)2(H2O)2](C4H4NO4S).H2OC32H46N7O17S3Tb1055.86 g/mol	1	42–92	80	H2O	1.62	1.71				white
	2	93–170	140	2H2O	3.17	3.41
	3	171–263	–223; –251	2C5H10NO;3/2SO2	27.67	28.07
	4	264–451	338	2C5H4N;3C2H3	22.91	22.48
	5	452–740	477;603	3C2HNO	15.20	15.63	29.43	28.71	1/2Tb2(SO4)3	black
[Ho(C4H4NO4S)2(C10H14N2O)2(H2O)2](C4H4NO4S)C32H44HoN7O16S31043.85 g/mol	1	77–165	87	2H2O	3.42	3.45				pale-pink
	2	166–250	–206	2SO2	12.22	12.27
	3	251–437	305	2C5H10NO	18.67	19.18
	4	438–502	–464	SO2; 3CH3; 2C5H4N	25.35	25.41
	5	503–791	703;772	3C3HO; 3/2N2O	20.88	21.57	17.07	18.10	1/2Ho2O3	black
[Er(C4H4NO4S)2(C10H14N2O)2(H2O)2](C4H4NO4S)C32H44ErN7O16S31046.18 g/mol	1	104–186	146	2H2O	4.04	3.44				pale-pink
	2	185–266	–243	3SO2	19.13	18.37
	3	267–476	314	2C5H10NO	19.57	19.13
	4	477–533	–521	2C5H4N	13.86	14.93
	5	558–877	670;785	3C4H4O; 3/2N2O	24.82	25.83	17.12	18.28	1/2Er2O3	black
Yb(C4H4NO4S)2(C10H14N2O)2(H2O)2](C4H4NO4S).H2OC32H46N7O17S3Yb1069.99 g/mol	1	78–179	146	H2O; 2H2O	5.42	5.05				white
	2	180–285	–243	3SO2; 3C3H4	29.51	29.19
	3	286–606	404;573	2C5H10NO	19.11	18.72
	4	607–820	646;764	2C5H4N; 3CO; 3/2N2O	27.97	28.62	17.63	18.42	1/2Yb2O3	black