Table 1. Experimental Bond Dissociation Energies (ΔECID) and Metal Hydride Vibrations (v(M–H)) of the Investigated Complexes.
| N-based ligands(spin multiplicity) | ΔECID (kcal/mol) | ν M–H (cm–1) | P-based ligands | ΔECID (kcal/mol) |
|---|---|---|---|---|
| [(TPA)FeH]+ (S = 2) | 48.6 ± 0.9 | 1588 | [(dmpe)2FeH]+ | 46.4 ± 1.2 |
| [(TPA)CoH]+ (S = 1/2) | 42.6 ± 1.4 | 1819 | [(dppe)2FeH]+ | 44.8 ± 1.6 |
| [(TPA)NiH]+ (S = 0) | 40.7 ± 0.08 | 1929 | [(dppe)2CoH]+ | 49.3 ± 1.3 |
| [(TMC)FeH]+ (S = 2) | 45.3 ± 0.4 | 1611 | [(dppp)2FeH]+ | 44.6 ± 1.3 |
| [(TMC)CoH]+ (S = 3/2) | 41.2 ± 0.1 | 1627 | [(dppp)2CoH]+ | 47.3 ± 1.1 |
| [(TMC)NiH]+ (S = 0) | 35.5 ± 0.3 | 1878 | [(dppp)2NiH]+ | 48.2 ± 1.2 |
| [(Tpy)FeH]+ (S = 2) | 50.3 ± 0.1 | 1688 | [(dppb)2FeH]+ | 44.8 ± 1.4 |
| [(Tpy)CoH]+ (S = 1/2) | 40.4 ± 0.2 | 1843 | [(dppb)2CoH]+ | 45.3 ± 0.6 |
| [(Tpy)NiH]+ (S = 0) | 26.2 ± 0.2 | 1915 | [(dppb)2NiH]+ | 46.7 ± 1.4 |