| 564, 599 |
bending ν4 of (PO4)3– groups37−39
|
| 629 |
libration of structural
(OH)− groups37−39
|
| 709 |
out-of-phase bending of hydrogen
bonded OH– groups40−42
|
| 763 |
rocking of –CH2 groups40−42
|
| 857 |
bending modes of C–H bonds40−42
|
| 874–876 |
bending ν2 of (CO3)2– groups37−39
|
| 929–930 |
vibration modes in rings;
bending of C–O40−42
|
| 957 |
bending of C–O–C, C–O–H; stretching
of CO40−42
|
| 962 |
symmetric stretching ν1 of (PO4)3– groups37−39
|
| 1018, 1087 |
asymmetric stretching ν3 of (PO4)3– groups37−39
|
| 997, 1012, 1041, 1078, 1105,
1150, 1207, 1245 |
various
stretching vibrations
of C–O–C and C–O–H bonds40−42
|
| 1381 |
in plane bending of –CH groups40−42
|
| 1414 |
stretching vibration of C–C bonds40−42
|
| asymmetric stretching ν3 of (CO3)2– groups37−39
|
| 1460 |
in plane bending of –CH2 groups40−42
|
| asymmetric stretching ν3 of (CO3)2– groups37−39
|
| 1652 |
bending of water molecules37−39
|
| 2890–2901 |
symmetric stretching
ν2 of C–H bonds
in –CH2 groups40−42
|
| 2928 |
symmetric stretching of C–H bonds in benzene rings40−42
|
| 2972–2981 |
asymmetric stretching
of –CH240−42
|
| 3570 |
stretching of structural
(OH)− groups37−39
|
| 3642 |
stretching vibrations of
(OH)− groups of surface Ca(OH)2 compounds49−51
|
| 2500–3600 |
stretching vibrations of O–H bonds in adsorbed water molecules37−39
|
