MnFe3(BiO3)4 is Ilmenite-derived structured and crystallizes in the triclinic P1 space group. Mn(1) is bonded to one O(1), one O(12), one O(3), one O(6), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra and corners with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-31°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-31°. In the second Fe site, Fe(2) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form FeO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. In the third Fe site, Fe(3) is bonded to one O(10), one O(11), one O(2), one O(4), one O(5), and one O(8) atom to form corner-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(4), one O(5), one O(8), and one O(9) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(12), one O(3), 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 see-saw-like geometry to one Mn(1), one Fe(2), one Bi(1), and one Bi(4) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Bi(2), and one Bi(3) atom. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(1), one Bi(1), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Bi(2), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Bi(1), and one Bi(3) atom. In the sixth O site, O(6) is bonded to one Mn(1), one Fe(1), one Bi(2), and one Bi(4) atom to form distorted edge-sharing OMnFeBi2 tetrahedra. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(2), one Bi(1), and one Bi(4) atom. In the eighth O site, O(8) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Bi(2), and one Bi(3) atom. In the ninth O site, O(9) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(2), one Bi(1), and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Bi(2), and one Bi(4) atom. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Bi(1), and one Bi(3) atom. In the twelfth O site, O(12) is bonded to one Mn(1), one Fe(1), one Bi(2), and one Bi(4) atom to form distorted edge-sharing OMnFeBi2 tetrahedra.
MnFe3(BiO3)4 is Ilmenite-derived structured and crystallizes in the triclinic P1 space group. Mn(1) is bonded to one O(1), one O(12), one O(3), one O(6), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra and corners with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-31°. The Mn(1)-O(1) bond length is 2.06 Å. The Mn(1)-O(12) bond length is 1.99 Å. The Mn(1)-O(3) bond length is 2.29 Å. The Mn(1)-O(6) bond length is 2.02 Å. The Mn(1)-O(7) bond length is 2.19 Å. The Mn(1)-O(9) bond length is 1.95 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-31°. The Fe(1)-O(10) bond length is 2.13 Å. The Fe(1)-O(12) bond length is 2.14 Å. The Fe(1)-O(2) bond length is 1.98 Å. The Fe(1)-O(3) bond length is 1.96 Å. The Fe(1)-O(6) bond length is 2.01 Å. The Fe(1)-O(8) bond length is 2.18 Å. In the second Fe site, Fe(2) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form FeO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. The Fe(2)-O(1) bond length is 2.02 Å. The Fe(2)-O(11) bond length is 2.11 Å. The Fe(2)-O(4) bond length is 2.00 Å. The Fe(2)-O(5) bond length is 2.00 Å. The Fe(2)-O(7) bond length is 2.10 Å. The Fe(2)-O(9) bond length is 2.15 Å. In the third Fe site, Fe(3) is bonded to one O(10), one O(11), one O(2), one O(4), one O(5), and one O(8) atom to form corner-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. The Fe(3)-O(10) bond length is 1.99 Å. The Fe(3)-O(11) bond length is 1.98 Å. The Fe(3)-O(2) bond length is 2.12 Å. The Fe(3)-O(4) bond length is 2.22 Å. The Fe(3)-O(5) bond length is 2.12 Å. The Fe(3)-O(8) bond length is 2.01 Å. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom. The Bi(1)-O(1) bond length is 2.53 Å. The Bi(1)-O(11) bond length is 2.36 Å. The Bi(1)-O(3) bond length is 2.39 Å. The Bi(1)-O(5) bond length is 2.50 Å. The Bi(1)-O(7) bond length is 2.28 Å. The Bi(1)-O(9) bond length is 2.39 Å. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom. The Bi(2)-O(10) bond length is 2.29 Å. The Bi(2)-O(12) bond length is 2.37 Å. The Bi(2)-O(2) bond length is 2.57 Å. The Bi(2)-O(4) bond length is 2.45 Å. The Bi(2)-O(6) bond length is 2.46 Å. The Bi(2)-O(8) bond length is 2.32 Å. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(4), one O(5), one O(8), and one O(9) atom. The Bi(3)-O(11) bond length is 2.47 Å. The Bi(3)-O(2) bond length is 2.32 Å. The Bi(3)-O(4) bond length is 2.34 Å. The Bi(3)-O(5) bond length is 2.32 Å. The Bi(3)-O(8) bond length is 2.50 Å. The Bi(3)-O(9) bond length is 2.51 Å. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(12), one O(3), one O(6), and one O(7) atom. The Bi(4)-O(1) bond length is 2.35 Å. The Bi(4)-O(10) bond length is 2.56 Å. The Bi(4)-O(12) bond length is 2.44 Å. The Bi(4)-O(3) bond length is 2.34 Å. The Bi(4)-O(6) bond length is 2.44 Å. The Bi(4)-O(7) bond length is 2.35 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(2), one Bi(1), and one Bi(4) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Bi(2), and one Bi(3) atom. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(1), one Bi(1), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Bi(2), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Bi(1), and one Bi(3) atom. In the sixth O site, O(6) is bonded to one Mn(1), one Fe(1), one Bi(2), and one Bi(4) atom to form distorted edge-sharing OMnFeBi2 tetrahedra. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(2), one Bi(1), and one Bi(4) atom. In the eighth O site, O(8) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Bi(2), and one Bi(3) atom. In the ninth O site, O(9) is bonded in a distorted see-saw-like geometry to one Mn(1), one Fe(2), one Bi(1), and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Bi(2), and one Bi(4) atom. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Bi(1), and one Bi(3) atom. In the twelfth O site, O(12) is bonded to one Mn(1), one Fe(1), one Bi(2), and one Bi(4) atom to form distorted edge-sharing OMnFeBi2 tetrahedra.