Mg(Sb2O5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(9) atom. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(10), one O(4), one O(6), one O(7), and one O(8) atom to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-50°. In the second Sb site, Sb(2) is bonded to one O(1), one O(3), one O(5), one O(7), one O(8), and one O(9) atom to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 44-60°. In the third Sb site, Sb(3) is bonded to one O(2), one O(3), one O(5), one O(6), one O(8), and one O(9) atom to form a mixture of distorted edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 44-69°. In the fourth Sb site, Sb(4) is bonded to one O(10), one O(2), one O(4), one O(5), one O(6), and one O(7) atom to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-69°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mg(1), one Sb(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(3), and one Sb(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Sb(2) and one Sb(3) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Mg(1), one Sb(1), and one Sb(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Sb(2), one Sb(3), and one Sb(4) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Sb(1), one Sb(3), and one Sb(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Sb(1), one Sb(2), and one Sb(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sb(1), one Sb(2), and one Sb(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(2), and one Sb(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(1), and one Sb(4) atom.
Mg(Sb2O5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(9) atom. The Mg(1)-O(1) bond length is 2.14 Å. The Mg(1)-O(10) bond length is 2.03 Å. The Mg(1)-O(2) bond length is 1.98 Å. The Mg(1)-O(4) bond length is 2.09 Å. The Mg(1)-O(6) bond length is 2.32 Å. The Mg(1)-O(9) bond length is 2.02 Å. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(10), one O(4), one O(6), one O(7), and one O(8) atom to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-50°. The Sb(1)-O(1) bond length is 2.07 Å. The Sb(1)-O(10) bond length is 1.98 Å. The Sb(1)-O(4) bond length is 2.05 Å. The Sb(1)-O(6) bond length is 2.14 Å. The Sb(1)-O(7) bond length is 2.11 Å. The Sb(1)-O(8) bond length is 2.03 Å. In the second Sb site, Sb(2) is bonded to one O(1), one O(3), one O(5), one O(7), one O(8), and one O(9) atom to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 44-60°. The Sb(2)-O(1) bond length is 2.07 Å. The Sb(2)-O(3) bond length is 1.95 Å. The Sb(2)-O(5) bond length is 2.02 Å. The Sb(2)-O(7) bond length is 2.22 Å. The Sb(2)-O(8) bond length is 2.07 Å. The Sb(2)-O(9) bond length is 1.99 Å. In the third Sb site, Sb(3) is bonded to one O(2), one O(3), one O(5), one O(6), one O(8), and one O(9) atom to form a mixture of distorted edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 44-69°. The Sb(3)-O(2) bond length is 2.10 Å. The Sb(3)-O(3) bond length is 2.00 Å. The Sb(3)-O(5) bond length is 2.55 Å. The Sb(3)-O(6) bond length is 2.48 Å. The Sb(3)-O(8) bond length is 2.60 Å. The Sb(3)-O(9) bond length is 2.10 Å. In the fourth Sb site, Sb(4) is bonded to one O(10), one O(2), one O(4), one O(5), one O(6), and one O(7) atom to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-69°. The Sb(4)-O(10) bond length is 2.06 Å. The Sb(4)-O(2) bond length is 1.97 Å. The Sb(4)-O(4) bond length is 1.99 Å. The Sb(4)-O(5) bond length is 1.99 Å. The Sb(4)-O(6) bond length is 2.06 Å. The Sb(4)-O(7) bond length is 2.15 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mg(1), one Sb(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(3), and one Sb(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Sb(2) and one Sb(3) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Mg(1), one Sb(1), and one Sb(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Sb(2), one Sb(3), and one Sb(4) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Sb(1), one Sb(3), and one Sb(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Sb(1), one Sb(2), and one Sb(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sb(1), one Sb(2), and one Sb(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(2), and one Sb(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(1), and one Sb(4) atom.