Table 1: Analysis of copper(II) acetoactanilide complexes.


Ligand (L) Color of the
complex
Melting point C% H% N% Other elements M. Wt. Proposed formula
of the complex M:L

pure mixed Calc. found Calc. found Calc. found Calc. found Calc. found

C C Cu%
γ-Br-A.A.A. Green 164 146 41.5 42.0 3.70 3.0 4.03 4.6 9.15 8.9 693.76 694.06 (CuL2)(ACo)2
694.85
166 144 41.5 3.0 4.4 701.00
Br%
Faint green 135 130 42.8 42.1 3.7 3.4 4.42 4.3 25.2 26.2 949.88 950.22 (CuL3)(ACo)2
136 132 42.6 3.2 4.4 945.78
p-totyl-γ-Br-A.A.A. Pale green 163 152 43.7 43.8 4.15 4.4 4.6 4.5 26.5 27.5 603.33 605.01
162 151 44.3 3.9 4.6 27.4 612.00
3-phenyl-azo-γ-Br-A.A.A. Chocolate brown 149 146 44.2 44.8 3.5 4.2 7.7 7.7 14.7 16.6 637.40 630.00 (CuL)(ACo)2
4.6 7.4 637.30
Brown 152 146 49.5 50.1 3.7 3.5 9.2 8.8 18.8 20.1 901.72 903.80 (CuL2)(ACo)2
150 50.4 3.4 9.0 903.90
Cu%
α-Br-A.A.A. Pale green 164 148 41.5 41.0 4.6 4.2 40.2 4.8 9.15 9.13 693.76 693.33 (CuL2)(ACo)2
41.2 4.1 4.4
γ-I-A.A.A. Bright green 152 139 37.1 36.6 3.3 2.6 4.7 4.6 8.1 8.09 787.32 787.89 (CuL2)(ACo)2
792.45
153 138 36.3 3.1 4.3 790.00
α-Cl-A.A.A. Green 196 134 47.6 48.6 4.3 4.2 4.62 4.2 10.53 10.12 604.90 600.90 (CuL2)(ACo)2
195 135 48.0 4.3 4.5 603.80

Molecular weights determined in the microanalytical unit.