Abstract Oligomeric and polymeric gold (I) complexes in which gold (I) complexes in which gold (I) centers are bridged by R 2 PC C− ligands are reported. The new ligand i Pr 2 PC CH was prepared by reaction of i Pr 2 PCl with HC CMgBr. Displacement of SMe 2 from [AuCl (SMe 2)] by R 2 PO CH gave [AuCl (R 2 PC CH)], R= Ph or i Pr, which were characterized spectroscopically and, for R= i Pr, by single crystal X-ray diffraction analysis ...