Mn2(CO3)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted face-sharing MnO6 octahedra. In the second Mn site, Mn(2) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form distorted face-sharing MnO6 octahedra. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(7) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(5) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(8), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mn(2) and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Mn(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(1) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one C(3) atom.
Mn2(CO3)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted face-sharing MnO6 octahedra. The Mn(1)-O(1) bond length is 1.96 Å. The Mn(1)-O(3) bond length is 2.01 Å. The Mn(1)-O(5) bond length is 2.09 Å. The Mn(1)-O(6) bond length is 2.06 Å. The Mn(1)-O(7) bond length is 2.35 Å. The Mn(1)-O(8) bond length is 1.95 Å. In the second Mn site, Mn(2) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form distorted face-sharing MnO6 octahedra. The Mn(2)-O(2) bond length is 2.01 Å. The Mn(2)-O(3) bond length is 2.27 Å. The Mn(2)-O(4) bond length is 1.93 Å. The Mn(2)-O(6) bond length is 2.14 Å. The Mn(2)-O(7) bond length is 1.99 Å. The Mn(2)-O(9) bond length is 2.07 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(7) atom. The C(1)-O(1) bond length is 1.29 Å. The C(1)-O(2) bond length is 1.28 Å. The C(1)-O(7) bond length is 1.31 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(5) atom. The C(2)-O(3) bond length is 1.32 Å. The C(2)-O(4) bond length is 1.30 Å. The C(2)-O(5) bond length is 1.26 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(8), and one O(9) atom. The C(3)-O(6) bond length is 1.32 Å. The C(3)-O(8) bond length is 1.29 Å. The C(3)-O(9) bond length is 1.27 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mn(2) and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Mn(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(1) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one C(3) atom.