Table 2: TG and DTG analysis of A1-complexes.
Complex | Stage | Decom. temp. range | Ts | E | A | ΔS* | ΔH* | ΔG* |
(℃) | (℃) | (KJ mol−1) | (s−1) | (J mol−1) | (KJ mol−1) | (KJ mol−1) | ||
Mn(L)2 | 1 | 200–314 | 299.56 | 89.00 | 1.994E + 06 | −124.4 | 469.20 | 123.76 |
2 | 450–520 | 499.10 | 1126.78 | 9.53E + 78 | 1262.98 | 1122.63 | 491.1 | |
Fe(L)3 | 1 | 180–200 | 193.27 | 450.1 | 3.878E + 50 | 727.3 | 448.6 | 308.1 |
2 | 200–260 | 262.95 | 426.2 | 1.07E + 45 | 618.3 | 424.0 | 261.4 | |
3 | 280–460 | 371.09 | 576.1 | 2.024E + 52 | 755.5 | 573.3 | 315.6 | |
4 | 460–600 | 510.12 | 1111.8 | 6.58E + 76 | 1221.4 | 1107.6 | 484.5 | |
Co(L)2 | 1 | 220–324 | 299.56 | 157.07 | 1.250E + 14 | 24.90 | 154.58 | 147.11 |
2 | 370–450 | 370 | 258.1 | 8.49E + 18 | 115.03 | 254.8 | 208.7 | |
Ni(L)22H2O | 1 | 70–120 | 86.97 | 6.57 | 1.156E + 5 | −137.80 | 5.849 | 17.84 |
2 | 130–200 | 160.97 | 410.77 | 6.11E + 50 | 732.60 | 409.24 | 291.65 | |
3 | 200–320 | 293.32 | 464.789 | 1.87E + 48 | 679.50 | 462.35 | 263.05 | |
4 | 450–600 | 500.1 | 1179.62 | 8.42E + 77 | 1242.97 | 1109.04 | 487.52 | |
Cu(L)2·2H2O | 1 | 170–210 | 200.49 | 410.9 | 1.046E + 46 | 539.5 | 409.2 | 281.1 |
2 | 210–260 | 230.80 | 406.1 | 7.51E + 51 | 750.44 | 494.1 | 320.9 | |
3 | 260–440 | 313.46 | 117.8 | 2.283E + 09 | −66.2 | 115.2 | 135.9 | |
4 | 440–520 | 460.45 | 1222.7 | 3.37E + 85 | 1389.03 | 1218.8 | 579.3 | |
Zn(L)2 | 1 | 200–330 | 280.09 | 471.53 | 1.588E + 49 | 697.6 | 469.20 | 273.81 |
2 | 500–650 | 574.91 | 1179.62 | 1.81E + 77 | 1230.03 | 1175.46 | 561.05 | |
Ce(L)3 | 1 | 200–300 | 157.83 | 282.68 | 6.921E + 36 | 455.70 | 281.36 | 207.86 |
2 | 300–400 | 347.74 | 647.85 | 3.83E + 56 | 837.18 | 644.95 | 353.83 | |
UO2(L)2H2O | 1 | 175–200 | 182.62 | 477.7 | 1.992E + 54 | 798.8 | 476.16 | 330.28 |
2 | 227–260 | 230.17 | 95.67 | 1.28E + 08 | −87.56 | 93.76 | 113.91 | |
3 | 350–540 | 466.45 | 773.09 | 1.384E + 62 | 941.2 | 769.21 | 330.21 | |