Journal of Inorganic Chemistry

Research Article

Copper(II) Complexes of 2-(Methylthiomethyl)anilines: Spectral and Structural Properties and In Vitro Antimicrobial Activity

Table 3

Selected IR bands and the electronic spectra of the ligands and complexes.
Compoundv (N–H)δ NH2v (C–N)v (Cu–L) (cm−1)Electronic spectra aλ max, nm ( , mol−1 dm3 cm−1)
L–H (1a)3424, 335216181272    259, 300
2a3294, 321716091251430, 398, 364, 327, 295, 274  259, 298, 322, 430, 925
      Solid353, 400, 706
L–CH3 (1b)3420, 334616251275   259, 306
2b3276, 322115991259446, 405, 335, 321, 294, 268 259, 303, 330, 430, 916
     Solid354, 450, 754
L–OCH3 (1c)3409, 334116261293   259, 319, 360
2c3256, 320216171272430, 364, 338, 303, 271 259, 286, 336, 447, 595, 885
     Solid352, 403, 479, 786
L–Cl (1d)3399, 330716251275  275, 316
2d3261, 322116091244439, 398, 322, 297, 272 261, 309, 335, 430, 936
     Solid364, 405, 782
L–Br (1e)3398, 331716241275  272, 312
2e3259, 321916071244437, 393, 341, 322, 293, 281 262, 308, 333, 430, 920
     Solid348, 425, 795
L–NO2 (1f)3450, 334716391278  258, 295, 392
2f3267, 322216201250425, 380, 365, 323, 294, 271 263, 301, 381, 399, 428, 925
     Solid367, 450, 765
In DMSO.
CT: charge transfer.