Table 2: Spectroscopic data FT-IR and UV-Visible of the complexes.

Infrared (cm−1)UV-vis λ (nm) [ 𝜀 ] (M·cm−1)
Compoundννν
(O–H)(C=N)(C–O)

H2L1309016301293252[3714]316[1856]
Ru(III)ClL116101313257[916]280[500]407[250]
H2L2319616231277300[1072]350[600]398[473]
Ru(III)ClL216051345300[650]388[327]467[218]
H2L3338016651274254[931]325[343]382[218]
Ru(III)ClL316011274250[1249]325[315]425[500]