MnFe4(BiO3)5 is Ilmenite-derived structured and crystallizes in the triclinic P1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(16), one O(21), one O(26), one O(3), and one O(7) atom to form MnO6 octahedra that share  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, corners with two equivalent Fe(7)O6 octahedra, and corners with two equivalent Fe(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. In the second Mn site, Mn(2) is bonded to one O(14), one O(20), one O(23), one O(29), one O(5), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-30°. There are eight inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(17), one O(22), one O(27), one O(4), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Fe(7)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, and corners with two equivalent Fe(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. In the second Fe site, Fe(2) is bonded to one O(13), one O(18), one O(23), one O(28), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one Fe(8)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-30°. In the third Fe site, Fe(3) is bonded to one O(1), one O(10), one O(14), one O(19), one O(24), and one O(29) atom to form FeO6 octahedra that share  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Fe(7)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-30°. In the fourth Fe site, Fe(4) is bonded to one O(15), one O(2), one O(20), one O(25), one O(30), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Fe(8)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, and corners with two equivalent Fe(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-28°. In the fifth Fe site, Fe(5) is bonded to one O(13), one O(19), one O(22), one O(28), one O(4), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. In the sixth Fe site, Fe(6) is bonded to one O(1), one O(15), one O(16), one O(24), one O(30), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-30°. In the seventh Fe site, Fe(7) is bonded to one O(10), one O(11), one O(17), one O(2), one O(25), and one O(26) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-30°. In the eighth Fe site, Fe(8) is bonded to one O(12), one O(18), one O(21), one O(27), one O(3), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. There are ten inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(13), one O(18), one O(23), one O(28), one O(3), and one O(8) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(14), one O(19), one O(24), one O(29), one O(4), and one O(9) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(10), one O(15), one O(20), one O(25), one O(30), and one O(5) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(16), one O(21), one O(26), and one O(6) atom. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(12), one O(17), one O(2), one O(22), one O(27), and one O(7) atom. In the sixth Bi site, Bi(6) is bonded in a 6-coordinate geometry to one O(13), one O(17), one O(21), one O(28), one O(4), and one O(7) atom. In the seventh Bi site, Bi(7) is bonded in a 6-coordinate geometry to one O(14), one O(18), one O(22), one O(29), one O(5), and one O(8) atom. In the eighth Bi site, Bi(8) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(19), one O(23), one O(30), and one O(9) atom. In the ninth Bi site, Bi(9) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(2), one O(20), one O(24), and one O(26) atom. In the tenth Bi site, Bi(10) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(25), one O(27), one O(3), and one O(6) atom. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Fe(3), one Fe(6), one Bi(4), and one Bi(8) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(7), one Bi(5), and one Bi(9) atom. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(8), one Bi(1), and one Bi(10) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(5), one Bi(2), and one Bi(6) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(2), one Bi(3), and one Bi(7) atom. In the sixth O site, O(6) is bonded to one Fe(4), one Fe(8), one Bi(10), and one Bi(4) atom to form distorted edge-sharing OFe2Bi2 tetrahedra. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(5), one Bi(5), and one Bi(6) atom. In the eighth O site, O(8) is bonded to one Mn(2), one Fe(1), one Bi(1), and one Bi(7) atom to form distorted edge-sharing OMnFeBi2 tetrahedra. In the ninth O site, O(9) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(6), one Bi(2), and one Bi(8) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Fe(3), one Fe(7), one Bi(3), and one Bi(9) atom. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(7), one Bi(4), and one Bi(9) atom. In the twelfth O site, O(12) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(8), one Bi(10), and one Bi(5) atom. In the thirteenth O site, O(13) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(5), one Bi(1), and one Bi(6) atom. In the fourteenth O site, O(14) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(3), one Bi(2), and one Bi(7) atom. In the fifteenth O site, O(15) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(6), one Bi(3), and one Bi(8) atom. In the sixteenth O site, O(16) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(6), one Bi(10), and one Bi(4) atom. In the seventeenth O site, O(17) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(7), one Bi(5), and one Bi(6) atom. In the eighteenth O site, O(18) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(8), one Bi(1), and one Bi(7) atom. In the nineteenth O site, O(19) is bonded in a distorted see-saw-like geometry to one Fe(3), one Fe(5), one Bi(2), and one Bi(8) atom. In the twentieth O site, O(20) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(4), one Bi(3), and one Bi(9) atom. In the twenty-first O site, O(21) is bonded to one Mn(1), one Fe(8), one Bi(4), and one Bi(6) atom to form distorted edge-sharing OMnFeBi2 tetrahedra. In the twenty-second O site, O(22) is bonded to one Fe(1), one Fe(5), one Bi(5), and one Bi(7) atom to form distorted edge-sharing OFe2Bi2 tetrahedra. In the twenty-third O site, O(23) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(2), one Bi(1), and one Bi(8) atom. In the twenty-fourth O site, O(24) is bonded in a distorted tetrahedral geometry to one Fe(3), one Fe(6), one Bi(2), and one Bi(9) atom. In the twenty-fifth O site, O(25) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(7), one Bi(10), and one Bi(3) atom. In the twenty-sixth O site, O(26) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(7), one Bi(4), and one Bi(9) atom. In the twenty-seventh O site, O(27) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(8), one Bi(10), and one Bi(5) atom. In the twenty-eighth O site, O(28) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(5), one Bi(1), and one Bi(6) atom. In the twenty-ninth O site, O(29) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(3), one Bi(2), and one Bi(7) atom. In the thirtieth O site, O(30) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(6), one Bi(3), and one Bi(8) atom.
MnFe4(BiO3)5 is Ilmenite-derived structured and crystallizes in the triclinic P1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(16), one O(21), one O(26), one O(3), and one O(7) atom to form MnO6 octahedra that share  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, corners with two equivalent Fe(7)O6 octahedra, and corners with two equivalent Fe(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. The Mn(1)-O(11) bond length is 1.96 Å. The Mn(1)-O(16) bond length is 2.05 Å. The Mn(1)-O(21) bond length is 2.04 Å. The Mn(1)-O(26) bond length is 2.27 Å. The Mn(1)-O(3) bond length is 2.17 Å. The Mn(1)-O(7) bond length is 1.99 Å. In the second Mn site, Mn(2) is bonded to one O(14), one O(20), one O(23), one O(29), one O(5), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-30°. The Mn(2)-O(14) bond length is 2.05 Å. The Mn(2)-O(20) bond length is 1.97 Å. The Mn(2)-O(23) bond length is 1.98 Å. The Mn(2)-O(29) bond length is 2.18 Å. The Mn(2)-O(5) bond length is 2.26 Å. The Mn(2)-O(8) bond length is 2.03 Å. There are eight inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(17), one O(22), one O(27), one O(4), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Fe(7)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, and corners with two equivalent Fe(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. The Fe(1)-O(12) bond length is 1.98 Å. The Fe(1)-O(17) bond length is 2.13 Å. The Fe(1)-O(22) bond length is 2.11 Å. The Fe(1)-O(27) bond length is 2.17 Å. The Fe(1)-O(4) bond length is 2.01 Å. The Fe(1)-O(8) bond length is 2.01 Å. In the second Fe site, Fe(2) is bonded to one O(13), one O(18), one O(23), one O(28), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one Fe(8)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-30°. The Fe(2)-O(13) bond length is 2.00 Å. The Fe(2)-O(18) bond length is 2.11 Å. The Fe(2)-O(23) bond length is 2.14 Å. The Fe(2)-O(28) bond length is 2.18 Å. The Fe(2)-O(5) bond length is 1.97 Å. The Fe(2)-O(9) bond length is 1.99 Å. In the third Fe site, Fe(3) is bonded to one O(1), one O(10), one O(14), one O(19), one O(24), and one O(29) atom to form FeO6 octahedra that share  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Fe(7)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-30°. The Fe(3)-O(1) bond length is 2.02 Å. The Fe(3)-O(10) bond length is 1.99 Å. The Fe(3)-O(14) bond length is 2.02 Å. The Fe(3)-O(19) bond length is 2.13 Å. The Fe(3)-O(24) bond length is 2.14 Å. The Fe(3)-O(29) bond length is 2.09 Å. In the fourth Fe site, Fe(4) is bonded to one O(15), one O(2), one O(20), one O(25), one O(30), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Fe(8)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, and corners with two equivalent Fe(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-28°. The Fe(4)-O(15) bond length is 1.99 Å. The Fe(4)-O(2) bond length is 2.00 Å. The Fe(4)-O(20) bond length is 2.13 Å. The Fe(4)-O(25) bond length is 2.11 Å. The Fe(4)-O(30) bond length is 2.20 Å. The Fe(4)-O(6) bond length is 1.98 Å. In the fifth Fe site, Fe(5) is bonded to one O(13), one O(19), one O(22), one O(28), one O(4), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. The Fe(5)-O(13) bond length is 2.12 Å. The Fe(5)-O(19) bond length is 1.99 Å. The Fe(5)-O(22) bond length is 1.99 Å. The Fe(5)-O(28) bond length is 2.00 Å. The Fe(5)-O(4) bond length is 2.21 Å. The Fe(5)-O(7) bond length is 2.14 Å. In the sixth Fe site, Fe(6) is bonded to one O(1), one O(15), one O(16), one O(24), one O(30), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-30°. The Fe(6)-O(1) bond length is 2.19 Å. The Fe(6)-O(15) bond length is 2.11 Å. The Fe(6)-O(16) bond length is 2.01 Å. The Fe(6)-O(24) bond length is 1.98 Å. The Fe(6)-O(30) bond length is 2.01 Å. The Fe(6)-O(9) bond length is 2.13 Å. In the seventh Fe site, Fe(7) is bonded to one O(10), one O(11), one O(17), one O(2), one O(25), and one O(26) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-30°. The Fe(7)-O(10) bond length is 2.12 Å. The Fe(7)-O(11) bond length is 2.15 Å. The Fe(7)-O(17) bond length is 1.99 Å. The Fe(7)-O(2) bond length is 2.17 Å. The Fe(7)-O(25) bond length is 1.99 Å. The Fe(7)-O(26) bond length is 1.96 Å. In the eighth Fe site, Fe(8) is bonded to one O(12), one O(18), one O(21), one O(27), one O(3), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. The Fe(8)-O(12) bond length is 2.15 Å. The Fe(8)-O(18) bond length is 1.99 Å. The Fe(8)-O(21) bond length is 2.01 Å. The Fe(8)-O(27) bond length is 2.01 Å. The Fe(8)-O(3) bond length is 2.08 Å. The Fe(8)-O(6) bond length is 2.12 Å. There are ten inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(13), one O(18), one O(23), one O(28), one O(3), and one O(8) atom. The Bi(1)-O(13) bond length is 2.56 Å. The Bi(1)-O(18) bond length is 2.32 Å. The Bi(1)-O(23) bond length is 2.37 Å. The Bi(1)-O(28) bond length is 2.32 Å. The Bi(1)-O(3) bond length is 2.39 Å. The Bi(1)-O(8) bond length is 2.47 Å. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(14), one O(19), one O(24), one O(29), one O(4), and one O(9) atom. The Bi(2)-O(14) bond length is 2.53 Å. The Bi(2)-O(19) bond length is 2.35 Å. The Bi(2)-O(24) bond length is 2.33 Å. The Bi(2)-O(29) bond length is 2.29 Å. The Bi(2)-O(4) bond length is 2.47 Å. The Bi(2)-O(9) bond length is 2.47 Å. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(10), one O(15), one O(20), one O(25), one O(30), and one O(5) atom. The Bi(3)-O(10) bond length is 2.48 Å. The Bi(3)-O(15) bond length is 2.50 Å. The Bi(3)-O(20) bond length is 2.37 Å. The Bi(3)-O(25) bond length is 2.34 Å. The Bi(3)-O(30) bond length is 2.32 Å. The Bi(3)-O(5) bond length is 2.43 Å. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(16), one O(21), one O(26), and one O(6) atom. The Bi(4)-O(1) bond length is 2.41 Å. The Bi(4)-O(11) bond length is 2.54 Å. The Bi(4)-O(16) bond length is 2.36 Å. The Bi(4)-O(21) bond length is 2.41 Å. The Bi(4)-O(26) bond length is 2.28 Å. The Bi(4)-O(6) bond length is 2.50 Å. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(12), one O(17), one O(2), one O(22), one O(27), and one O(7) atom. The Bi(5)-O(12) bond length is 2.49 Å. The Bi(5)-O(17) bond length is 2.32 Å. The Bi(5)-O(2) bond length is 2.47 Å. The Bi(5)-O(22) bond length is 2.34 Å. The Bi(5)-O(27) bond length is 2.36 Å. The Bi(5)-O(7) bond length is 2.45 Å. In the sixth Bi site, Bi(6) is bonded in a 6-coordinate geometry to one O(13), one O(17), one O(21), one O(28), one O(4), and one O(7) atom. The Bi(6)-O(13) bond length is 2.31 Å. The Bi(6)-O(17) bond length is 2.52 Å. The Bi(6)-O(21) bond length is 2.48 Å. The Bi(6)-O(28) bond length is 2.45 Å. The Bi(6)-O(4) bond length is 2.30 Å. The Bi(6)-O(7) bond length is 2.35 Å. In the seventh Bi site, Bi(7) is bonded in a 6-coordinate geometry to one O(14), one O(18), one O(22), one O(29), one O(5), and one O(8) atom. The Bi(7)-O(14) bond length is 2.38 Å. The Bi(7)-O(18) bond length is 2.50 Å. The Bi(7)-O(22) bond length is 2.50 Å. The Bi(7)-O(29) bond length is 2.34 Å. The Bi(7)-O(5) bond length is 2.30 Å. The Bi(7)-O(8) bond length is 2.43 Å. In the eighth Bi site, Bi(8) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(19), one O(23), one O(30), and one O(9) atom. The Bi(8)-O(1) bond length is 2.35 Å. The Bi(8)-O(15) bond length is 2.34 Å. The Bi(8)-O(19) bond length is 2.47 Å. The Bi(8)-O(23) bond length is 2.44 Å. The Bi(8)-O(30) bond length is 2.46 Å. The Bi(8)-O(9) bond length is 2.32 Å. In the ninth Bi site, Bi(9) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(2), one O(20), one O(24), and one O(26) atom. The Bi(9)-O(10) bond length is 2.32 Å. The Bi(9)-O(11) bond length is 2.35 Å. The Bi(9)-O(2) bond length is 2.32 Å. The Bi(9)-O(20) bond length is 2.53 Å. The Bi(9)-O(24) bond length is 2.48 Å. The Bi(9)-O(26) bond length is 2.46 Å. In the tenth Bi site, Bi(10) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(25), one O(27), one O(3), and one O(6) atom. The Bi(10)-O(12) bond length is 2.32 Å. The Bi(10)-O(16) bond length is 2.56 Å. The Bi(10)-O(25) bond length is 2.48 Å. The Bi(10)-O(27) bond length is 2.46 Å. The Bi(10)-O(3) bond length is 2.29 Å. The Bi(10)-O(6) bond length is 2.34 Å. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Fe(3), one Fe(6), one Bi(4), and one Bi(8) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(7), one Bi(5), and one Bi(9) atom. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(8), one Bi(1), and one Bi(10) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(5), one Bi(2), and one Bi(6) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(2), one Bi(3), and one Bi(7) atom. In the sixth O site, O(6) is bonded to one Fe(4), one Fe(8), one Bi(10), and one Bi(4) atom to form distorted edge-sharing OFe2Bi2 tetrahedra. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(5), one Bi(5), and one Bi(6) atom. In the eighth O site, O(8) is bonded to one Mn(2), one Fe(1), one Bi(1), and one Bi(7) atom to form distorted edge-sharing OMnFeBi2 tetrahedra. In the ninth O site, O(9) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(6), one Bi(2), and one Bi(8) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Fe(3), one Fe(7), one Bi(3), and one Bi(9) atom. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(7), one Bi(4), and one Bi(9) atom. In the twelfth O site, O(12) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(8), one Bi(10), and one Bi(5) atom. In the thirteenth O site, O(13) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(5), one Bi(1), and one Bi(6) atom. In the fourteenth O site, O(14) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(3), one Bi(2), and one Bi(7) atom. In the fifteenth O site, O(15) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(6), one Bi(3), and one Bi(8) atom. In the sixteenth O site, O(16) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(6), one Bi(10), and one Bi(4) atom. In the seventeenth O site, O(17) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(7), one Bi(5), and one Bi(6) atom. In the eighteenth O site, O(18) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(8), one Bi(1), and one Bi(7) atom. In the nineteenth O site, O(19) is bonded in a distorted see-saw-like geometry to one Fe(3), one Fe(5), one Bi(2), and one Bi(8) atom. In the twentieth O site, O(20) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(4), one Bi(3), and one Bi(9) atom. In the twenty-first O site, O(21) is bonded to one Mn(1), one Fe(8), one Bi(4), and one Bi(6) atom to form distorted edge-sharing OMnFeBi2 tetrahedra. In the twenty-second O site, O(22) is bonded to one Fe(1), one Fe(5), one Bi(5), and one Bi(7) atom to form distorted edge-sharing OFe2Bi2 tetrahedra. In the twenty-third O site, O(23) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(2), one Bi(1), and one Bi(8) atom. In the twenty-fourth O site, O(24) is bonded in a distorted tetrahedral geometry to one Fe(3), one Fe(6), one Bi(2), and one Bi(9) atom. In the twenty-fifth O site, O(25) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(7), one Bi(10), and one Bi(3) atom. In the twenty-sixth O site, O(26) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(7), one Bi(4), and one Bi(9) atom. In the twenty-seventh O site, O(27) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(8), one Bi(10), and one Bi(5) atom. In the twenty-eighth O site, O(28) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(5), one Bi(1), and one Bi(6) atom. In the twenty-ninth O site, O(29) is bonded in a distorted see-saw-like geometry to one Mn(2), one Fe(3), one Bi(2), and one Bi(7) atom. In the thirtieth O site, O(30) is bonded in a distorted see-saw-like geometry to one Fe(4), one Fe(6), one Bi(3), and one Bi(8) atom.