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Table 2 Important infrared bands of AMI binary and ternary metal complexes

From: Study of novel bidentate heterocyclic amine-based metal complexes and their biological activities: cytotoxicity and antimicrobial activity evaluation

No.

Compound

Ï…(NH2) (sh)

υ(C = N)imidazole ring

(COO)Asy (s)

(COO)sym

Ï…(CO) (m)

(NH2)bending

υ(M–O)

υ(M–N)

1

[Pd(AMI)Cl2]

3225

1590 m

–

–

–

611w

–

455w

2

[Cu(AMI)L1]

3262

1585 s

1492

1342 s

1277

657w

547w

485w

3

[Cu(AMI)L2·2H2O]

3267

1602 m

1501

1359 m

1249

676 s

550 s

419 s

  1. sh = sharp, m = medium, s = small and w = weak