Ag2CO3 crystallizes in the orthorhombic Pmc2_1 space group. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), and two equivalent O(1) atoms. In the second Ag site, Ag(2) is bonded to one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. In the third Ag site, Ag(3) is bonded to one O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. In the fourth Ag site, Ag(4) is bonded in a distorted rectangular see-saw-like geometry to one O(6), one O(7), and two equivalent O(8) atoms. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one O(4), one O(9), and two equivalent O(5) atoms. In the sixth Ag site, Ag(6) is bonded to one O(8), two equivalent O(7), and two equivalent O(9) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(8) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(7), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ag(3), two equivalent Ag(1), and one C(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(3), and one C(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(2), and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(2), and one C(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ag(2), two equivalent Ag(5), and one C(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(3), and one C(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(6), and one C(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ag(6), two equivalent Ag(4), and one C(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(6), and one C(3) atom.
Ag2CO3 crystallizes in the orthorhombic Pmc2_1 space group. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), and two equivalent O(1) atoms. The Ag(1)-O(2) bond length is 2.18 Å. The Ag(1)-O(3) bond length is 2.18 Å. Both Ag(1)-O(1) bond lengths are 2.64 Å. In the second Ag site, Ag(2) is bonded to one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. The Ag(2)-O(5) bond length is 2.35 Å. Both Ag(2)-O(3) bond lengths are 2.53 Å. Both Ag(2)-O(4) bond lengths are 2.58 Å. In the third Ag site, Ag(3) is bonded to one O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. The Ag(3)-O(1) bond length is 2.35 Å. Both Ag(3)-O(2) bond lengths are 2.59 Å. Both Ag(3)-O(6) bond lengths are 2.53 Å. In the fourth Ag site, Ag(4) is bonded in a distorted rectangular see-saw-like geometry to one O(6), one O(7), and two equivalent O(8) atoms. The Ag(4)-O(6) bond length is 2.20 Å. The Ag(4)-O(7) bond length is 2.21 Å. Both Ag(4)-O(8) bond lengths are 2.64 Å. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one O(4), one O(9), and two equivalent O(5) atoms. The Ag(5)-O(4) bond length is 2.19 Å. The Ag(5)-O(9) bond length is 2.19 Å. Both Ag(5)-O(5) bond lengths are 2.66 Å. In the sixth Ag site, Ag(6) is bonded to one O(8), two equivalent O(7), and two equivalent O(9) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. The Ag(6)-O(8) bond length is 2.33 Å. Both Ag(6)-O(7) bond lengths are 2.59 Å. Both Ag(6)-O(9) bond lengths are 2.51 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(4) atom. The C(1)-O(2) bond length is 1.30 Å. The C(1)-O(3) bond length is 1.31 Å. The C(1)-O(4) bond length is 1.29 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(8) atom. The C(2)-O(1) bond length is 1.30 Å. The C(2)-O(5) bond length is 1.32 Å. The C(2)-O(8) bond length is 1.29 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(7), and one O(9) atom. The C(3)-O(6) bond length is 1.30 Å. The C(3)-O(7) bond length is 1.29 Å. The C(3)-O(9) bond length is 1.31 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ag(3), two equivalent Ag(1), and one C(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(3), and one C(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(2), and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(2), and one C(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ag(2), two equivalent Ag(5), and one C(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(3), and one C(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(6), and one C(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ag(6), two equivalent Ag(4), and one C(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(6), and one C(3) atom.