MnZn(GeO3)2 is Esseneite structured and 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(10), one O(11), one O(12), one O(6), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(3)O4 tetrahedra, corners with two equivalent Ge(2)O4 tetrahedra, corners with two equivalent Ge(4)O4 tetrahedra, and edges with two equivalent Mn(2)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(12), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(4)O4 tetrahedra, corners with two equivalent Ge(1)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(5), and one O(7) atom. In the second Zn site, Zn(2) is bonded in a rectangular see-saw-like geometry to one O(12), one O(6), one O(8), and one O(9) atom. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(3), one O(7), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the second Ge site, Ge(2) is bonded to one O(10), one O(2), one O(4), and one O(8) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the third Ge site, Ge(3) is bonded to one O(1), one O(11), one O(3), and one O(5) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the fourth Ge site, Ge(4) is bonded to one O(12), one O(2), one O(4), and one O(6) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(3) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(4) atom.
MnZn(GeO3)2 is Esseneite structured and 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(10), one O(11), one O(12), one O(6), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(3)O4 tetrahedra, corners with two equivalent Ge(2)O4 tetrahedra, corners with two equivalent Ge(4)O4 tetrahedra, and edges with two equivalent Mn(2)O6 octahedra. The Mn(1)-O(10) bond length is 2.33 Å. The Mn(1)-O(11) bond length is 2.34 Å. The Mn(1)-O(12) bond length is 2.16 Å. The Mn(1)-O(6) bond length is 2.21 Å. The Mn(1)-O(8) bond length is 2.21 Å. The Mn(1)-O(9) bond length is 2.16 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(12), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(4)O4 tetrahedra, corners with two equivalent Ge(1)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. The Mn(2)-O(10) bond length is 2.16 Å. The Mn(2)-O(11) bond length is 2.16 Å. The Mn(2)-O(12) bond length is 2.33 Å. The Mn(2)-O(5) bond length is 2.22 Å. The Mn(2)-O(7) bond length is 2.21 Å. The Mn(2)-O(9) bond length is 2.33 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(5), and one O(7) atom. The Zn(1)-O(10) bond length is 2.08 Å. The Zn(1)-O(11) bond length is 2.08 Å. The Zn(1)-O(5) bond length is 1.94 Å. The Zn(1)-O(7) bond length is 1.94 Å. In the second Zn site, Zn(2) is bonded in a rectangular see-saw-like geometry to one O(12), one O(6), one O(8), and one O(9) atom. The Zn(2)-O(12) bond length is 2.08 Å. The Zn(2)-O(6) bond length is 1.94 Å. The Zn(2)-O(8) bond length is 1.94 Å. The Zn(2)-O(9) bond length is 2.08 Å. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(3), one O(7), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. The Ge(1)-O(1) bond length is 1.79 Å. The Ge(1)-O(3) bond length is 1.79 Å. The Ge(1)-O(7) bond length is 1.75 Å. The Ge(1)-O(9) bond length is 1.78 Å. In the second Ge site, Ge(2) is bonded to one O(10), one O(2), one O(4), and one O(8) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. The Ge(2)-O(10) bond length is 1.78 Å. The Ge(2)-O(2) bond length is 1.79 Å. The Ge(2)-O(4) bond length is 1.79 Å. The Ge(2)-O(8) bond length is 1.75 Å. In the third Ge site, Ge(3) is bonded to one O(1), one O(11), one O(3), and one O(5) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. The Ge(3)-O(1) bond length is 1.79 Å. The Ge(3)-O(11) bond length is 1.78 Å. The Ge(3)-O(3) bond length is 1.79 Å. The Ge(3)-O(5) bond length is 1.75 Å. In the fourth Ge site, Ge(4) is bonded to one O(12), one O(2), one O(4), and one O(6) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. The Ge(4)-O(12) bond length is 1.78 Å. The Ge(4)-O(2) bond length is 1.79 Å. The Ge(4)-O(4) bond length is 1.79 Å. The Ge(4)-O(6) bond length is 1.75 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(3) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(4) atom.