Research Article
Synthesis, Spectroscopic Characterisation, and Biopotential and DNA Cleavage Applications of Mixed Ligand 4-N,N-Dimethylaminopyridine Metal Complexes
Table 5
Thermogravimetric data of the investigated complexes.
| | Complex | Temp. range (°C) | DTG peak (°C) | Decomposed assignments | Weight loss % (calcd.%) | Residual and weight % (calcd.%) |
| | CrCl3(DP)3] | 35–170 | 42.2 | –H2O | 3.49 (3.4) | | | 170–350 | 265.8 | –Cl2 | 19.21 (19.35) | Cr2O | | 350–580 | 455.5 | –C2H6N | 24.56 (24.74) | 13.22 (12.7) | | 580–790 | 680.1 | –C5H4N | 39.52 (39.81) | |
| | MnCl2(DP)4] | 30–160 | 41.6 | –H2O | 2.86 (2.52) | | | 160–330 | 245 | –Cl2 | 11.12 (11.53) | MnO | | 330–600 | 435 | –C2H6N | 14.31 (15.11) | 24.89 (23.92) | | 600–800 | 640 | –C5H4N | 46.82 (46.92) | |
| | CoCl2(DP)4] | 50–90 | 85 | –H2O | 2.46 (2.40) | | | 190–325 | 180 | –Cl2 | 11.56 (11.23) | CoO | | 485–670 | 570 | –C2H6N | 15.63 (15.43) | 22.87 (22.48) | | 710–990 | 872 | –C5H4N | 47.48 (48.46) | |
| | NiCl2(DP)4] | 35–130 | 35.5 | –H2O | 2.88 (2.65) | | | 154–268 | 204.8 | –Cl2 | 12.65 (12.54) | NiO | | 269–488 | 347.9 | –C2H6N | 14.46 (14.87) | 22.98 (22.61) | | 490–675 | 575.7 | –C5H4N | 47.03 (47.33) | |
| | CuCl2(DP)4] | 30–130 | 35.5 | –H2O | 2.39 (2.28) | | | 112–234 | 168.8 | –Cl2 | 10.83 (10.92) | CuO | | 235–429 | 323.9 | –C2H6N | 10.82 (10.91) | 32.64 (32.54) | | 528–787 | 681.3 | –C5H4N | 43.32 (43.34) | |
| | CdCl2(DP)4] | 30–110 | 65 | –H2O | 2.63 (2.42) | | | 110–165 | 130 | –Cl2 | 18.25 (18.03) | CdO | | 170–420 | 310, 390 | –C2H6N | 19.63 (19.84) | 25.01 (25.35) | | 480–990 | 681 | –C5H4N | 34.48 (34.36) | |
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