Abstract
The coordination chemistry of equimolar amounts of silver(I) with the long chain diphosphine ligands Ph2P(CH2) n PPh2 (where n = 6, 8, 10, or 12) has been studied by variable temperature 31P{1H} NMR. In all cases two silver(I)/diphosphine complexes were observed in solution at ambient temperature with 1 J(107Ag–P) values of ca 500 Hz indicating silver(I) coordinated to two phosphorus atoms in a linear mode. A van’t Hoff study on the variable temperature 31P{1H} NMR data has been used to assign monomeric and dimeric species.
Acknowledgements
We are grateful to Dr M. Seyedmonir (West Virginia State University) for his assistance with the standard errors.