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New polynuclear silver(I) complexes, [Ag(CF 3 SO 3 )(4,7- -phen)(CH 3 CN)] n ( 1 ) and [Ag(PO 2 F 2 )(4,7-phen)] n ( 2 ), were synthesized by the reaction of 4,7-phe­nanthroline (4,7-phen) and the corresponding AgX salt (X = CF 3 SO 3 - andPF 6 - ) in 1:2 mole ratio, respectively, in methanol/acetone (1:1 volume ratio) at room temperature. The characterization of the complexes was established on the basis of elemental microanalysis, IR and NMR ( 1 H and 13 C) spectroscopic techniques, while their crystal structures were determined by single-crystal X-ray diffraction analysis. The results of spectroscopic and crys­tallographic analyses revealed that in these complexes, 4,7-phen behaves as a bridging ligand between two metal ions, while the remaining coordination sites of the Ag(I) ions are occupied by the oxygen atom of CF 3 SO 3 - and an aceto­nit­rile nitrogen atom in 1 or by two oxygen atoms from two PO 2 F 2 - , formed after hydrolysis of PF 6 - , in 2 . In the solid state, both complexes are coordination polymers in which the geometry around the Ag(I) ions is distorted tetrahedral.

Synthesis and structural analysis of polynuclear silver(I) complexes with 4,7-phenanthroline