Table 1: Physical measurements and analytical data of ML and FL ligands and their metal complexes 1–6.
No. | Molecular mass/molecular formula | m/z | Yield (%) | Melting point (°C) | Elemental analysis (%) calc. (found) | ||
C | H | N | |||||
ML | C11H10O4N | 220.21 | 92 | 199 | 59.99 (60.71) | 4.58 (5.08) | 6.36 (6.41) |
FL | C10H7O3NF | 208.17 | 88 | 217 | 57.69 (57.42) | 3.39 (3.85) | 6.72 (6.71) |
1 | [CrC15H11O8N] | 383.33 | 68 | 180 | 47.27 (47.39) | 2.70 (2.90) | 3.65 (3.14) |
2 | [MoC15H11O8N] | 428.18 | 62 | < 200 d | 42.07 (41.83) | 2.58 (3.41) | 3.27 (4.08) |
3 | [WC15H11O8N] | 516.09 | 91 | 230 | 34.93 (34.01) | 2.15 (2.2) | 2.71 (3.13) |
4 | [CrC14H8O7NF] | 373.06 | 85 | 200 | 45.07 (46.06) | 2.16 (3.04) | 3.75 (2.91) |
5 | [MoC14H8O7NF] | 417.01 | 77 | 195 | 40.32 (40.93) | 1.93 (2.41) | 3.36 (3.50) |
6 | [WC14H8O7NF] | 505.03 | 77 | < 260 d | 33.29 (34.03) | 1.59 (3.08) | 2.77 (3.45) |
d: decomposed |