Silane Ligands and Exchange with cis Hydrides

Dynamics of Silane Ligands and Exchange with cis Hydrides 

The bis(silane) system PrH2(ij2-HSiEt3)2(PPh3)2]SbF6 offers several structural possibilities. The disilane Et2HSiSiHEt2 gives a chelate structure (17) but is no more stable than the bis(silane) complex, and lower temperatures (180 K) are required to freeze out fluxionality. Equilibration of 14 with silyl(H2) species 15 and/or 16 should 

3 A in ReHx(SiR3) species that do not contain a ligands.75 Bridging hydrides also exchange with /2-SiH protons in the dinuclear Ru complex in Section 112 

This is also the case at 50°C for the diasteromeric complexes with chiral Fe 

This is consistent with the somewhat higher bonding energies of silanes compared to H2 ligands. 

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Dynamics of Silane Ligands and Exchange with cis Hydrides. .. 355... 

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