Table 9:
Copper sulfate single crystal, Ref. [
18
].
Element/Ion
v
(Hz)
v
c
(Hz)
q
S
(µm)
Cu
730
749
1
1.04
S
a
1515
1483
1
1.01
Cu
2965
2994
2
1.03
SO
4
2-
4520
4456
3
1.02
a
Could be S atom or S2- ion.