The title compound, [Ag4(L)4](PMBS-4 -2H 2O (I), where L=2, 5-bis(4-pyridyl)-3, 4-diaza-2, 4-hexadiene, PMBS =p-methylbenzenesulfonate was synthesized and its crystal structure was determined by X-ray diffraction structure analysis. The crystal is of triclinic, space group P1 with a=0.8203(2) nm, b = 1.3227(3) nm, c=2.061 0(3) nm, α=76.155(2)°,β=78.651(4) °,γ =89.993(3)°, V=2.1262(8) nm 3, Z=2, Dc=1.644 g-cm -3, F(000)=1 068, R =0.052 4, wR =0.113 6. The Ag atoms are linear coordinated by two N atoms of two L ligands, while the p-methylbe...