The reaction of the phosphonatophosphine ligand Ph
2PCH(SiMe
3)P(O)(OEt)
2 with [PdCl
2(COD)] in the presence of LiCl afforded the neutral, mixed-metal complex [LiPd
2CI
5{μ-Ph
2PCH
2P(O)(OEt)
2}
2] in which the Li
+ cation is tetrahedrally coordinated by the P
O bonds and two Pd-bound Cl atoms.