Frequency (cm⁻¹)

Vibration associated

EA

EA-BM10

EA-BM20

EA-BM30

EA-BM40

EA-BM50

EA-BM60

1787.86

1788.2

1787.95

1787.7

1788

1787.78

1787.75

${\nu }_1\text{+}{\nu }_4\left({\text{CO}}_3^{2-}\right)$

1474.99

1475.19

1475.36

1475.84

1475.54

1476.01

1475.88

${\nu }_3\left({\text{CO}}_3^{2-}\right)$

1082.74

1082.72

1082.82

1082.83

1082.77

1082.82

1082.81

${\nu }_1\left({\text{CO}}_3^{2-}\right)$

861.09

860.93

861.16

861.29

861.03

861.13

861.28

${\nu }_2\left({\text{CO}}_3^{2-}\right)$

712.82

712.77

712.84

712.83

712.8

712.82

712.82

${\nu }_4\left({\text{CO}}_3^{2-}\right)$

699.91

699.82

699.91

699.92

699.86

699.9

699.91

${\nu }_4\left({\text{CO}}_3^{2-}\right)$