N
X
C
O
N
S
Hal
Solvents
Natural
Products
P Si
C
C
C C
C
C
366
7 IR
Assignment
Range
Comments
950–830
N–Si–N
1250–1100
Si–NH 2
≈3570, ≈3390 SiN–H 2 st
≈1540
Si–NH 2 δ
Si–F st
980–820
Subranges:
920–820
Si–F
945–870
SiF 2 , 2 bands
980–860
SiF 3 , 2 bands
Si–Cl st
< 625
7.12.2 Phosphorus Compounds
Phosphorus Compounds
Phosphines
P–H st
%T
400
800
1200
1600
2000
2800
3600
P=O st
P–H st
%T
400
800
1200
1600
2000
2800
3600
P–C st
–CH 3 and
–CH 2 CH 3
P–H δ
X
C
O
N
S
Hal
Solvents
Natural
Products
P Si
C
C
C C
C
C
366
7 IR
Assignment
Range
Comments
950–830
N–Si–N
1250–1100
Si–NH 2
≈3570, ≈3390 SiN–H 2 st
≈1540
Si–NH 2 δ
Si–F st
980–820
Subranges:
920–820
Si–F
945–870
SiF 2 , 2 bands
980–860
SiF 3 , 2 bands
Si–Cl st
< 625
7.12.2 Phosphorus Compounds
Phosphorus Compounds
Phosphines
P–H st
%T
400
800
1200
1600
2000
2800
3600
P=O st
P–H st
%T
400
800
1200
1600
2000
2800
3600
P–C st
–CH 3 and
–CH 2 CH 3
P–H δ