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. 2006 Nov 17;11(11):904–914. doi: 10.3390/11110904

Table 1.

IR spectral data for the prepared ligands and complexes.

Compound νC=N νAr-OH ν>C=O ρr ρw νSO42-
ν1 ν2 ν3 ν4
C18H17N3O2 1653 3210- 3370
1140		 1615 - - - - - -
[Cu(C18H16N3O2)(H2O)2]Cl (a) 1640 -
1120		 1594 897 572 - - - -
C30H28N6O2 1654 - 1595 - - - - -
[Cu2(C30H28N6O2)(SO4)2] (b)
1639
-
 1565
-
995
462		 1050
1105
1170		 574
610
641