Research Article
Insights into the Intramolecular Properties of η6-Arene-Ru-Based Anticancer Complexes Using Quantum Calculations
Table 1
Bond lengths and orders of the ruthenium-ligand bonds in the complexes when optimized with PBE0/ECP(Ru,P,Cl)∣6-31G* and PBE0/ECP(Ru)∣6-31+G(d,p).
| Complex 1 | Complex 2 | Complex 3 | Complex 4 | Bond | Length | Order | Bond | Length | Order | Bond | Length | Order | Bond | Length | Order |
| PBE0/ECP(Ru,P,Cl)∣6-31G* | Ru-C2 | 2.206 | 0.451 | Ru-C6 | 2.224 | 0.427 | Ru-C6 | 2.231 | 0.416 | Ru-C6 | 2.211 | 0.445 | Ru-C3 | 2.249 | 0.375 | Ru-C9 | 2.223 | 0.467 | Ru-C17 | 2.205 | 0.441 | Ru-C19 | 2.217 | 0.468 | Ru-C4 | 2.210 | 0.444 | Ru-C7 | 2.196 | 0.482 | Ru-C9 | 2.198 | 0.446 | Ru-C10 | 2.228 | 0.440 | Ru-C6 | 2.250 | 0.374 | Ru-C18 | 2.277 | 0.391 | Ru-C14 | 2.205 | 0.452 | Ru-C21 | 2.304 | 0.366 | Ru-C7 | 2.210 | 0.444 | Ru-C14 | 2.183 | 0.492 | Ru-C10 | 2.236 | 0.392 | Ru-C11 | 2.176 | 0.483 | Ru-C9 | 2.206 | 0.451 | Ru-C17 | 2.265 | 0.359 | Ru-C16 | 2.295 | 0.332 | Ru-C18 | 2.252 | 0.373 | Ru-P11 | 2.406 | 0.727 | Ru-P11 | 2.433 | 0.706 | Ru-P13 | 2.420 | 0.725 | Ru-P12 | 2.437 | 0.712 | Ru-Cl5 | 2.490 | 0.967 | Ru-O8 | 2.244 | 0.503 | Ru-Cl19 | 2.500 | 0.966 | Ru-O16 | 2.253 | 0.509 | Ru-Cl17 | 2.490 | 0.967 | Ru-Cl19 | 2.480 | 1.024 | Ru-Cl20 | 2.496 | 0.947 | Ru-Cl23 | 2.486 | 1.028 |
| PBE0/ECP(Ru)∣6-31+G(d,p) | Ru-C2 | 2.215 | 0.415 | Ru-C6 | 2.244 | 0.378 | Ru-C6 | 2.251 | 0.387 | Ru-C6 | 2.222 | 0.393 | Ru-C3 | 2.28 | 0.295 | Ru-C9 | 2.201 | 0.435 | Ru-C17 | 2.325 | 0.27 | Ru-C19 | 2.182 | 0.449 | Ru-C4 | 2.221 | 0.405 | Ru-C7 | 2.229 | 0.442 | Ru-C9 | 2.215 | 0.404 | Ru-C10 | 2.239 | 0.419 | Ru-C6 | 2.28 | 0.295 | Ru-C18 | 2.282 | 0.309 | Ru-C14 | 2.216 | 0.413 | Ru-C21 | 2.28 | 0.308 | Ru-C7 | 2.221 | 0.405 | Ru-C14 | 2.309 | 0.305 | Ru-C10 | 2.208 | 0.408 | Ru-C11 | 2.235 | 0.418 | Ru-C9 | 2.215 | 0.415 | Ru-C17 | 2.187 | 0.478 | Ru-C16 | 2.268 | 0.31 | Ru-C18 | 2.326 | 0.307 | Ru-P11 | 2.332 | 0.854 | Ru-P11 | 2.362 | 0.799 | Ru-P13 | 2.341 | 0.853 | Ru-P12 | 2.368 | 0.789 | Ru-Cl5 | 2.443 | 0.853 | Ru-O8 | 2.254 | 0.413 | Ru-Cl19 | 2.451 | 0.837 | Ru-O16 | 2.259 | 0.408 | Ru-Cl17 | 2.443 | 0.853 | Ru-Cl19 | 2.423 | 0.934 | Ru-Cl20 | 2.447 | 0.836 | Ru-Cl23 | 2.437 | 0.912 |
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