Table 6.

Assignment of the FTIR peaks for silanes.

Peak (cm−1)	Assignments
1198 or 1085	Si-O-CH3 [2,28]
1097	Si-O-Si (for the body) [2,19,24,28,59]
1032	Si-O-Si (for the linear) [2,24,28,49,59]
851	Si-O-Fe [2]
1167, 957	Si-O-C (rocking) [49,87]
940, 913	Si-OH [49,57,87]
877, 859, 2195	Si-H [57]
1104	Si-O-C [57]
830	Silica network [57]
1095, 1067	(T1)2(OH)4 ladder structure [24]
996	Open cage (T3)4((T2)2(OH)2 [24]
1135	T8 cage like [24]
1051–1057	Strained structure (T6) [59]
1120–1130	Unstrained structures (T8 and T10) [59]