Wavenumber (cm−1)

Suggested Assignments

References

503+ m

δ(Si-O-C)

[17]

508* m

νs(Si-O-Si ring)

[22] [23]

582* m

νs(Si-O-Si chain)

[22] [23]

620+ vw

νs(Si-(OCH3)2)

[22] - [25]

643* vw

νs(HO-Si(OCH3))

[22] [23]

663* vw

νs(Si-(OH)2)

[22] [23]

664+ vw

νs(Si-C)

[22] [23]

838 m

ν(C-O)

863 m

ν(C-O)

910 m

ν(C-C)

[17]

1010 w

νa(Si-O-Si)

[21]

1090 m

νa(Si-O-C)

[17] [18]

1155 m

νs(C-O-C)

1250 m

νa(C-O-C)

[21]

1297 m

τ(CH2)

[18]

1370 m

ν(N-C)

[19] [21]

1403 m

δs(CH2)

[17] [19]

1455 s

δa(CH2)

[17] [19]

2808 m

νs(CH2)

[17] [20] [21]

2875 s

νs(CH3)

[17] [20] [21]

2932 s

νa(CH2)

[17] [20] [21]

2973 s

νa(CH3)

[17] [20] [21]