New Insights into the Chemistry of Oxovanadium(IV) Complexes with N₄ Coordinating Ligands

Table 2

Infrared spectral bands of complexes.

Complex	Bands (cm^−1)
	𝜈 (>C=N)	𝜈 (V–N)	𝜈 (V=O)	𝜈3 of SO4^−−	𝜈1 of SO4^−−	ν 4 of SO4^−−	𝜈asym (N–H)	𝜈sym (N–H)
[VO(L^1)]SO4	1614	300	980	1133	956	602	3349	3178
[VO(L^2)]SO4	1612	302	978	1134	955	604	3350	3179
[VO(mac^1a)]SO4	1610	302	982	1133	955	602	3350	3179
[VO(mac^1b)]SO4	1618	300	982	1135	956	608	3350	3180
[VO(mac^1c)]SO4	1610	303	981	1134	956	604	3349	3178
[VO(mac^1d)]SO4	1608	303	982	1134	955	606	3348	3179
[VO(mac^2a)]SO4	1610	302	984	1133	956	602	3348	3179
[VO(mac^2b)]SO4	1612	303	981	1133	955	604	3350	3180
[VO(mac^2c)]SO4	1618	302	984	1135	956	604	3349	3178
[VO(mac^2d)]SO4	1618	302	980	1134	955	606	3349	3179