Table 1: Color, yield, elemental analysis, and mass spectrometry data of the platinum complexes.
| Complex | Molecular formula | Color | Yield (%) | Elemental analysis, found (calc.) | Mass spectrometry | ||||
| % C | % H | % N | % Cl | M.W. | m/z | ||||
| [Pt(PCA)2]Cl2 (1) | C10H10N6O2Cl2Pt | Brown | 85 | 23.48 (23.45) | 1.86 (1.97) | 16.49 (16.41) | 13.90 (13.84) | 512.22 | 442 [P−Cl2]+, 319 [P−PCA−Cl2]+ |
| [Pt(PCA)(Py)2]Cl2 (2) | C15H15N5OCl2Pt | Brown | 66 | 32.96 (32.92) | 2.73 (2.76) | 12.83 (12.80) | 13.02 (12.96) | 547.31 | 477 [P−Cl2]+, 397 [P−Py−Cl2]+, 354 [P−PCA−Cl2]+, 318 [P−2Py−Cl2]+ |
| [Pt(PCA)(Bpy)]Cl2 (3) | C15H13N5OCl2Pt | Pale brown | 69 | 33.09 (33.04) | 2.35 (2.40) | 12.80 (12.84) | 13.08 (13.00) | 545.30 | 475 [P−Cl2]+, 352 [P−PCA−Cl2]+, 319 [P−Bpy−Cl2]+ |
| [Pt(PCA)(Py)2Cl2]Cl2 (4) | C15H15N5OCl4Pt | Brown | 54 | 29.18 (29.14) | 2.42 (2.45) | 11.30 (11.33) | 22.98 (22.94) | 618.22 | 548 [P−Cl2]+, 469 [P−Py−Cl2]+, 425 [P−PCA−Cl2]+, 275 [P−Cl2]2+ |
| [Pt(PCA)(Bpy)Cl2]Cl2 (5) | C15H13N5OCl4Pt | Brown | 62 | 29.29 (29.24) | 2.15 (2.13) | 11.35 (11.39) | 22.96 (23.01) | 616.20 | 423 [P−PCA−Cl2]+, 390 [P−Bpy−Cl2]+, 273 [P−Cl2]2+ |