Structure of Copper(II) Complexes with 2-[2-Hydroxy-Phenil]-4,4-Diphenyl-1,2-Dihydro-4H-3,1-Benzoxazine in Chloroform

Table 3

The several IR absorption bands (cm^-1) of ligands and complexes CuL₂.

Compounds	𝜈(NH)	𝜈(OH)	𝜈(C=N)	𝜈(CO)		𝜈(CuN)	𝜈(CuO)
				Csp^2-O	Csp^3-O
L	3329	3380	—	1250	𝜈as 1066	—	—
					𝜈s 1018
CuL2	—	3514	1624	1536	1106	424	569