Table 8: IR Spectral Data for Copper(II) Complexes.

Absorption Bands CP[BTA]A (cm–1) CP[BTA]NA (cm–1)
CH3 and CH2, C-H antisym. stretching 2916 2919.0
CH3 and CH2, C-H sym. stretching 2845 2840.2
N-H bonding 1590 1595
COO, C–O antisym. stretching 1515 1520
COO, C–O sym. stretching 1468 1472
CH2, C-H Bonding (δ)
(twisting and wagging)
1355 1390.2
CH3, C-H rocking 1120.8 1115.6
CH2, C-H rocking 728.4 722.8
Cu-N stretching 545 520
Cu-O stretching 502.2 490.2