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

Infrared (cm−1) UV-vis λ (nm) [] (M·cm−1) Compound ν ν ν (O–H) (C=N) (C–O) H2L1 3090 1630 1293 252 [3714] 316 [1856] Ru(III)ClL1 1610 1313 257 [916] 280 [500] 407 [250] H2L2 3196 1623 1277 300 [1072] 350 [600] 398 [473] Ru(III)ClL2 1605 1345 300 [650] 388 [327] 467 [218] H2L3 3380 1665 1274 254 [931] 325 [343] 382 [218] Ru(III)ClL3 1601 1274 250 [1249] 325 [315] 425 [500]