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In the cobaltocenium group of the title compound, [AuCo(C5H5)(C17H14P)Cl]PF6, the substituted cyclopentadienyl (Cps) and the unsubstituted cyclopentadienyl (Cp) ring planes are almost parallel, making a dihedral angle of 3.1 (3)°. The C atoms in Cp and Cps are in an eclipsed conformation. The AuI atom is coordinated by a P atom from the diphenylphosphanyl group and a Cl atom in an almost linear arrangement [P—Au—Cl = 178.15–(7)°]. Two hexafluoridophosphate anions are each located on a twofold rotation axis. In the crystal, the complex cations and hexafluoridophosphate anions are linked via intermolecular C—H...F hydrogen bonds.