S. No

Compound

vCH=N

vM-N

vM-O

vOH/H2O

1

Cl-PTMP

1605 cm−1

-

-

-

2

Cu(II)Cl-PTMP

1620 cm−1

446 cm−1

569 cm−1

3323 cm−1

3

Co(II)Cl-PTMP

1626 cm−1

455 cm−1

516 cm−1

3233 cm−1