Ag2W2O7 crystallizes in the triclinic P-1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(1), one O(4), one O(5), one O(7), and two equivalent O(2) atoms. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(3), one O(4), and one O(6) atom. In the second Ag site, Ag(2) is bonded in a distorted T-shaped geometry to one O(2), one O(3), and one O(7) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one W(1), one W(2), and one Ag(1) atom. In the second O site, O(2) is bonded to one W(1), two equivalent W(2), and one Ag(2) atom to form distorted edge-sharing OAgW3 tetrahedra. In the third O site, O(3) is bonded in a 3-coordinate geometry to one W(1), one Ag(1), and one Ag(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Ag(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to one W(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one W(1) and one Ag(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(2) and one Ag(2) atom.
Ag2W2O7 crystallizes in the triclinic P-1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The W(1)-O(1) bond length is 2.21 Å. The W(1)-O(2) bond length is 2.18 Å. The W(1)-O(3) bond length is 1.82 Å. The W(1)-O(4) bond length is 1.98 Å. The W(1)-O(5) bond length is 1.96 Å. The W(1)-O(6) bond length is 1.79 Å. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(1), one O(4), one O(5), one O(7), and two equivalent O(2) atoms. The W(2)-O(1) bond length is 1.89 Å. The W(2)-O(4) bond length is 2.03 Å. The W(2)-O(5) bond length is 1.90 Å. The W(2)-O(7) bond length is 1.76 Å. There is one shorter (2.05 Å) and one longer (2.34 Å) W(2)-O(2) bond length. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(3), one O(4), and one O(6) atom. The Ag(1)-O(1) bond length is 2.35 Å. The Ag(1)-O(3) bond length is 2.59 Å. The Ag(1)-O(4) bond length is 2.37 Å. The Ag(1)-O(6) bond length is 2.37 Å. In the second Ag site, Ag(2) is bonded in a distorted T-shaped geometry to one O(2), one O(3), and one O(7) atom. The Ag(2)-O(2) bond length is 2.29 Å. The Ag(2)-O(3) bond length is 2.22 Å. The Ag(2)-O(7) bond length is 2.38 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one W(1), one W(2), and one Ag(1) atom. In the second O site, O(2) is bonded to one W(1), two equivalent W(2), and one Ag(2) atom to form distorted edge-sharing OAgW3 tetrahedra. In the third O site, O(3) is bonded in a 3-coordinate geometry to one W(1), one Ag(1), and one Ag(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Ag(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to one W(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one W(1) and one Ag(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(2) and one Ag(2) atom.