Table 2. Physical Properties of Complexes 1–12.

complex	formula	molecular weight (g/mol)	onset temperature of 1 wt % loss (°C)	temperature at 50 wt % loss (°C)	nonvolatile residual mass (%)
1	C5H7O2ClGe	207.93	103	185	3.4
2	C11H19O2ClGe	292.03	104	178
3	C9H15NO4Ge	275.02	101	399	47.1
4	C11H19NO4Ge	303.05	94	169	15.4
5	C11H19NO4Ge	303.05	107	194	32.2
6	C12H21NO4Ge	317.07	102	178	18.1
7	C13H15NO4Ge	323.02	136	285	42.9
8	C15H27NO4Ge	359.12	108	201	7.1
9	C17H31NO4Ge	387.15	113	189	9.7
10	C17H31NO4Ge	387.14	120	199	4.6
11	C18H33NO4Ge	401.16	121	198	2.0
12	C19H27NO4Ge	407.12	129	234	12.5