4

Cu      0.204081112004496      0.018550086950107     -0.041128063499261
Ag      1.536913835829196      1.206771300154214     -0.034600106775240
Ag      1.725773223142812      0.149777555970285      1.593644321539677
Cu      0.273541036547340      1.532739635050214      1.372757930654068