Research Article

Synthesis, Characterization, and Biological Activity of Some Transition Metal Complexes of N-Benzoyl-N′-2-thiophenethiocarbohydrazide

Table 3

Important IR spectral bands (cm−1) and their assignments.

Compound (OH) (N–H) (C=O)/ (NCO)Thioamide I
(NH) + (CN)
Thioamide II
(CN) + (NH)
Thioamide IV
(C=S)/ (C–S)
(N–N)

H2BTTH3125, 31001640146013258351000
Mn(HBTTH)2 31251605148513408201020
Fe(HBTTH)2(EtOH) 31201605148513408351020
Ni(BTTH)(H2O)2 34201580149013957401070
Cu(BTTH) 1585149014007451070