MgZn2(SbO3)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(4), one O(5), one O(7), and one O(8) atom. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(6), one O(8), and one O(9) atom. In the second Zn site, Zn(2) is bonded in a see-saw-like geometry to one O(10), one O(2), one O(3), and one O(7) atom. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(4), one O(7), and one O(8) atom. In the second Sb site, Sb(2) is bonded to one O(12), one O(3), one O(4), one O(7), one O(8), and one O(9) atom to form distorted corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 43-44°. In the third Sb site, Sb(3) is bonded to one O(1), one O(12), one O(2), one O(5), one O(6), and one O(9) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 38-45°. In the fourth Sb site, Sb(4) is bonded to one O(1), one O(10), one O(11), one O(2), one O(5), and one O(6) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 38-45°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one Sb(3), and one Sb(4) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Zn(2), one Sb(3), and one Sb(4) atom. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one Zn(2), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(1), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(3), and one Sb(4) atom. In the sixth O site, O(6) is bonded in a T-shaped geometry to one Zn(1), one Sb(3), and one Sb(4) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Mg(1), one Zn(2), one Sb(1), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Mg(1), one Zn(1), one Sb(1), and one Sb(2) atom. In the ninth O site, O(9) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Sb(2), and one Sb(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Mg(1), one Zn(2), one Sb(1), and one Sb(4) atom. In the eleventh O site, O(11) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Sb(1), and one Sb(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mg(1), one Sb(2), and one Sb(3) atom.
MgZn2(SbO3)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(4), one O(5), one O(7), and one O(8) atom. The Mg(1)-O(10) bond length is 2.21 Å. The Mg(1)-O(12) bond length is 2.07 Å. The Mg(1)-O(4) bond length is 2.08 Å. The Mg(1)-O(5) bond length is 2.23 Å. The Mg(1)-O(7) bond length is 2.17 Å. The Mg(1)-O(8) bond length is 2.32 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(6), one O(8), and one O(9) atom. The Zn(1)-O(1) bond length is 2.06 Å. The Zn(1)-O(11) bond length is 2.09 Å. The Zn(1)-O(6) bond length is 2.33 Å. The Zn(1)-O(8) bond length is 2.01 Å. The Zn(1)-O(9) bond length is 2.06 Å. In the second Zn site, Zn(2) is bonded in a see-saw-like geometry to one O(10), one O(2), one O(3), and one O(7) atom. The Zn(2)-O(10) bond length is 2.02 Å. The Zn(2)-O(2) bond length is 2.15 Å. The Zn(2)-O(3) bond length is 2.14 Å. The Zn(2)-O(7) bond length is 1.99 Å. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(4), one O(7), and one O(8) atom. The Sb(1)-O(10) bond length is 2.49 Å. The Sb(1)-O(11) bond length is 2.08 Å. The Sb(1)-O(3) bond length is 2.10 Å. The Sb(1)-O(4) bond length is 2.07 Å. The Sb(1)-O(7) bond length is 2.43 Å. The Sb(1)-O(8) bond length is 2.45 Å. In the second Sb site, Sb(2) is bonded to one O(12), one O(3), one O(4), one O(7), one O(8), and one O(9) atom to form distorted corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 43-44°. The Sb(2)-O(12) bond length is 2.23 Å. The Sb(2)-O(3) bond length is 1.99 Å. The Sb(2)-O(4) bond length is 2.02 Å. The Sb(2)-O(7) bond length is 1.97 Å. The Sb(2)-O(8) bond length is 1.95 Å. The Sb(2)-O(9) bond length is 2.13 Å. In the third Sb site, Sb(3) is bonded to one O(1), one O(12), one O(2), one O(5), one O(6), and one O(9) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 38-45°. The Sb(3)-O(1) bond length is 2.10 Å. The Sb(3)-O(12) bond length is 2.02 Å. The Sb(3)-O(2) bond length is 2.07 Å. The Sb(3)-O(5) bond length is 2.07 Å. The Sb(3)-O(6) bond length is 2.00 Å. The Sb(3)-O(9) bond length is 2.06 Å. In the fourth Sb site, Sb(4) is bonded to one O(1), one O(10), one O(11), one O(2), one O(5), and one O(6) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 38-45°. The Sb(4)-O(1) bond length is 2.08 Å. The Sb(4)-O(10) bond length is 1.98 Å. The Sb(4)-O(11) bond length is 1.96 Å. The Sb(4)-O(2) bond length is 2.09 Å. The Sb(4)-O(5) bond length is 2.12 Å. The Sb(4)-O(6) bond length is 2.04 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one Sb(3), and one Sb(4) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Zn(2), one Sb(3), and one Sb(4) atom. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one Zn(2), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(1), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(3), and one Sb(4) atom. In the sixth O site, O(6) is bonded in a T-shaped geometry to one Zn(1), one Sb(3), and one Sb(4) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Mg(1), one Zn(2), one Sb(1), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Mg(1), one Zn(1), one Sb(1), and one Sb(2) atom. In the ninth O site, O(9) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Sb(2), and one Sb(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Mg(1), one Zn(2), one Sb(1), and one Sb(4) atom. In the eleventh O site, O(11) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Sb(1), and one Sb(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mg(1), one Sb(2), and one Sb(3) atom.