Ag3CuS2 crystallizes in the tetragonal I4_1/a space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to three equivalent S(1) atoms. In the second Ag site, Ag(2) is bonded in a 2-coordinate geometry to four equivalent S(1) atoms. Cu(1) is bonded in a linear geometry to two equivalent S(1) atoms. S(1) is bonded in a 6-coordinate geometry to two equivalent Ag(2), three equivalent Ag(1), and one Cu(1) atom.
Ag3CuS2 crystallizes in the tetragonal I4_1/a space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to three equivalent S(1) atoms. There are two shorter (2.59 Å) and one longer (2.83 Å) Ag(1)-S(1) bond length. In the second Ag site, Ag(2) is bonded in a 2-coordinate geometry to four equivalent S(1) atoms. There are two shorter (2.53 Å) and two longer (3.06 Å) Ag(2)-S(1) bond lengths. Cu(1) is bonded in a linear geometry to two equivalent S(1) atoms. Both Cu(1)-S(1) bond lengths are 2.19 Å. S(1) is bonded in a 6-coordinate geometry to two equivalent Ag(2), three equivalent Ag(1), and one Cu(1) atom.