Table 4-3: IR Frequencies of Inorganic Salts

 

Salt

Band Position

cm-1 m

Relative Intensity

NaSCN

758 13.2

w

 

940 10.5

vw, b

 

1620 6.18

m

 

2020 4.9

s

 

3330 3.0

m

KSCN

746 13.4

m

 

945 10.6

vw, vb

 

1630 6.13

m

 

2020 4.9

s

 

3400 1.95

m

NaNO2

831 11.96

m,sp

 

1358 7.36

vs

 

1790 5.59

vw

 

2428 4.12

vw

NaNO3

836 11.96

m,sp

 

1358 7.36

vs

 

1790 5.59

vw

 

2428 4.12

vw

Na2SO4

645 15.5

w

 

1110 9.0

vs

K2SO4

1110 9.0

vs

NaClO3

935 10.7

s,sp

 

965 10.35

990 10.1

vs

KClO3

938 10.65

w

 

962 10.4

vs

NaClO4·H2O

1100 9.1

vs,b

 

 1630 6.14 (H2O)

s,sp

 

2030 4.93

 vw

KClO4

627 15.7

w

 

940 10.65

vw

 

1075 9.3

s

 

1140 8.75

s,sh

 

1990 5.02

vw

NaBrO3

807 12.4

vs

KBrO3

790 12.65

vs

NaIO3

767 13.05

775 12.9

vs

 

800 12.5

m