Table 5.
The kinetic parameters for the nonisothermal decomposition of the complexes.
| Complex/range (°C) | T(a) | Ea (KJ mol−1) | A (S−1) | ΔH* (kJ mol−1) | ΔS* (JK−1mol−1) | ΔG* (kJ mol−1) |
|---|---|---|---|---|---|---|
| [L2Cu] | ||||||
| 90–134 | 216 | 73.83 | 1.5E7 + 04 | 69.76 | −169.14 | 152.47 |
| 220–260 | 500 | 26.36 | 4.0E − 03 | 19.93 | −299.09 | 251.13 |
| [L2Ni] | ||||||
| 222–339 | 290 | 64.35 | 3.E7 + 02 | 69.70 | −201.45 | 173.08 |
| 430–608 | 531 | 16.71 | 1.5E − 03 | 10.03 | −307.60 | 257.30 |
| [L2Co] | ||||||
| 160–327 | 227 | 59.53 | 2.29E + 02 | 55.37 | −204.40 | 157.60 |
| 327–670 | 452 | 14.04 | 2.6E − 7 04 | 8.01 | −321.10 | 240.80 |
| [L2Zn]⋅H2O | ||||||
| 32–120 | 72 | 43.73 | 1.91E + 03 | 40.87 | −183.70 | 104.06 |
| 153–336 | 261 | 37.08 | 4.15E − 01 | 32.64 | −257.50 | 170.12 |
| 544–662 | 595 | 24.40 | 1.29E − 03 | 17.23 | −309.50 | 285.87 |
(a)The peak temperature from the DTG curve.