Ligand (isn)

COMPLEX

[Co (H₂O) (isn)₃] (BF₄)₂

STRETCH STRATEGIES

3361 cm⁻¹ (F)

3453 cm⁻¹ (m)

ʋ_a (N?H)

3303 cm⁻¹ (w)

3304 cm⁻¹ (w)

ʋ (N?H)

3179 cm⁻¹ (F)

3181 cm⁻¹ (F)

ʋ_s (N?H)

3077 cm⁻¹ (w)

3103 cm⁻¹ (w)

ʋ (C−H)

3065 cm⁻¹ (w)

3074 cm⁻¹ (w)

ʋ_s (C−H)

1595 cm⁻¹ (m)

1604 cm⁻¹ (m)

ʋ_s of ring (CN) (py)

1550 cm⁻¹ (m)

1552 cm⁻¹ (m)

ʋ_s og ring (CC) (py)

1655 cm⁻¹ (F)

1676 cm⁻¹ (F)

ʋ (C=O)

1621 cm⁻¹ (F)

1622 cm⁻¹ (w)

δ (N?H)

1407 cm⁻¹ (F)

1416 cm⁻¹ (F)

ʋ_a CC (py)

1390 cm⁻¹ (F)

1400 cm⁻¹ (F)

ʋ (C−N)

994 cm⁻¹ (m)

-

ring contraction (py)

-

965 a 1152 cm⁻¹ (F)

ʋ ${\text{BF}}_4^{-}$