AM4G
Δ
ϑ
O-H
(cm
−
1
)
AMP4G
Δ
ϑ
O-H
(cm
−
1
)
O
1sp
3
260.96
O
1sp
3
266.19
O
2sp
3
281.45
O
2sp
3
242.78
O
3sp
3
280.11
O
3sp
3
267.37