Research Article

Studies on Synthesis and Spectral Characterization of Some Transition Metal Complexes of Azo-Azomethine Derivative of Diaminomaleonitrile

Table 1

Physical characterization, analytical, and molar conductance data of the ligand (CDHBDMN) and its metal(II) complexes.

CompoundFWFound (Calcd) (%) m.p. (°C)
g/mol−1MCHN(Ω−1 cm2 mol−1)

C30H18Cl2N8O259260.743.0518.87 229–231
(CDHBDMN) (60.72)(3.06)(18.88)
[VO(CDHBDMN)] 6577.7654.742.4417.01 276–2789.0
(7.74)(54.73)(2.45)(17.02)
[Mn(CDHBDMN)] 6458.5255.732.5317.33 289–29110.3
(8.50)(55.75)(2.50)(17.34)
[Co(CDHBDMN)] 6499.0855.432.4717.24 301–3039.5
(9.06)(55.41)(2.48)(17.23)
[Ni(CDHBDMN)·2H2O] 6848.5252.522.9516.31 298–3007.9
(8.55)(52.51)(2.94)(16.33)
[Cu(CDHBDMN)] 6539.7255.032.4417.12 311–3137.4
(9.70)(55.01)(2.46)(17.11)
[Zn(CDHBDMN)] 6549.9554.872.4717.04 302–3046.2
(9.96)(54.86)(2.46)(17.06)