Bi2MnCoO6 crystallizes in the triclinic P1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(12), one O(2), one O(3), one O(5), one O(6), and one O(7) atom. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(8), and one O(9) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 4-coordinate geometry to one O(1), one O(12), one O(3), one O(4), and one O(5) atom. In the second Co site, Co(2) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(6), one O(7), and one O(9) atom. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(12), one O(3), one O(4), one O(5), and one O(7) atom. In the second Bi site, Bi(2) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(4), one O(5), and one O(8) atom. In the third Bi site, Bi(3) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(7), one O(8), and one O(9) atom. In the fourth Bi site, Bi(4) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(5), one O(6), and one O(7) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Mn(2), one Co(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Co(2), and one Bi(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mn(1), one Co(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mn(2), one Co(1), one Bi(1), and one Bi(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mn(1), one Co(1), one Bi(1), one Bi(2), and one Bi(4) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Mn(1), one Co(2), and one Bi(4) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Mn(1), one Co(2), one Bi(1), one Bi(3), and one Bi(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mn(2), one Bi(2), and one Bi(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Mn(2), one Co(2), and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mn(2), one Co(2), one Bi(3), and one Bi(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Mn(2), one Bi(2), and one Bi(3) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Mn(1), one Co(1), and one Bi(1) atom.
Bi2MnCoO6 crystallizes in the triclinic P1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(12), one O(2), one O(3), one O(5), one O(6), and one O(7) atom. The Mn(1)-O(12) bond length is 1.66 Å. The Mn(1)-O(2) bond length is 2.19 Å. The Mn(1)-O(3) bond length is 2.19 Å. The Mn(1)-O(5) bond length is 2.37 Å. The Mn(1)-O(6) bond length is 1.67 Å. The Mn(1)-O(7) bond length is 2.38 Å. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(8), and one O(9) atom. The Mn(2)-O(1) bond length is 1.66 Å. The Mn(2)-O(10) bond length is 2.20 Å. The Mn(2)-O(11) bond length is 2.31 Å. The Mn(2)-O(4) bond length is 2.20 Å. The Mn(2)-O(8) bond length is 2.32 Å. The Mn(2)-O(9) bond length is 1.65 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 4-coordinate geometry to one O(1), one O(12), one O(3), one O(4), and one O(5) atom. The Co(1)-O(1) bond length is 1.57 Å. The Co(1)-O(12) bond length is 1.69 Å. The Co(1)-O(3) bond length is 2.07 Å. The Co(1)-O(4) bond length is 2.11 Å. The Co(1)-O(5) bond length is 2.69 Å. In the second Co site, Co(2) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(6), one O(7), and one O(9) atom. The Co(2)-O(10) bond length is 2.07 Å. The Co(2)-O(2) bond length is 2.10 Å. The Co(2)-O(6) bond length is 1.67 Å. The Co(2)-O(7) bond length is 2.60 Å. The Co(2)-O(9) bond length is 1.60 Å. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(12), one O(3), one O(4), one O(5), and one O(7) atom. The Bi(1)-O(12) bond length is 2.65 Å. The Bi(1)-O(3) bond length is 2.34 Å. The Bi(1)-O(4) bond length is 2.56 Å. The Bi(1)-O(5) bond length is 2.42 Å. The Bi(1)-O(7) bond length is 2.09 Å. In the second Bi site, Bi(2) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(4), one O(5), and one O(8) atom. The Bi(2)-O(1) bond length is 2.31 Å. The Bi(2)-O(11) bond length is 2.18 Å. The Bi(2)-O(4) bond length is 2.53 Å. The Bi(2)-O(5) bond length is 2.73 Å. The Bi(2)-O(8) bond length is 2.02 Å. In the third Bi site, Bi(3) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(7), one O(8), and one O(9) atom. The Bi(3)-O(10) bond length is 2.40 Å. The Bi(3)-O(11) bond length is 2.05 Å. The Bi(3)-O(7) bond length is 2.75 Å. The Bi(3)-O(8) bond length is 2.24 Å. The Bi(3)-O(9) bond length is 2.27 Å. In the fourth Bi site, Bi(4) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(5), one O(6), and one O(7) atom. The Bi(4)-O(10) bond length is 2.50 Å. The Bi(4)-O(2) bond length is 2.28 Å. The Bi(4)-O(5) bond length is 2.14 Å. The Bi(4)-O(6) bond length is 2.52 Å. The Bi(4)-O(7) bond length is 2.48 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Mn(2), one Co(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Co(2), and one Bi(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mn(1), one Co(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mn(2), one Co(1), one Bi(1), and one Bi(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mn(1), one Co(1), one Bi(1), one Bi(2), and one Bi(4) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Mn(1), one Co(2), and one Bi(4) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Mn(1), one Co(2), one Bi(1), one Bi(3), and one Bi(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mn(2), one Bi(2), and one Bi(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Mn(2), one Co(2), and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mn(2), one Co(2), one Bi(3), and one Bi(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Mn(2), one Bi(2), and one Bi(3) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Mn(1), one Co(1), and one Bi(1) atom.