MgTi2(GeO3)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 4-coordinate geometry to one Ge(1), one O(4), one O(5), and one O(6) atom. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted edge-sharing TiO6 octahedra. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form edge-sharing TiO6 octahedra. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 4-coordinate geometry to one Mg(1), one O(1), one O(2), and one O(3) atom. In the second Ge site, Ge(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Ti(1), one Ti(2), and one Ge(1) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Ti(1), one Ti(2), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(2), and one Ge(1) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Ti(1), one Ti(2), and one Ge(2) atom to form a mixture of distorted edge and corner-sharing OMgTi2Ge trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Ti(1), one Ti(2), and one Ge(2) atom to form a mixture of distorted edge and corner-sharing OMgTi2Ge trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Ti(1), one Ti(2), and one Ge(2) atom.
MgTi2(GeO3)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 4-coordinate geometry to one Ge(1), one O(4), one O(5), and one O(6) atom. The Mg(1)-Ge(1) bond length is 2.66 Å. The Mg(1)-O(4) bond length is 2.05 Å. The Mg(1)-O(5) bond length is 2.04 Å. The Mg(1)-O(6) bond length is 2.06 Å. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted edge-sharing TiO6 octahedra. The Ti(1)-O(1) bond length is 1.95 Å. The Ti(1)-O(2) bond length is 1.94 Å. The Ti(1)-O(3) bond length is 2.01 Å. The Ti(1)-O(4) bond length is 2.12 Å. The Ti(1)-O(5) bond length is 2.14 Å. The Ti(1)-O(6) bond length is 2.22 Å. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form edge-sharing TiO6 octahedra. The Ti(2)-O(1) bond length is 2.08 Å. The Ti(2)-O(2) bond length is 2.07 Å. The Ti(2)-O(3) bond length is 2.01 Å. The Ti(2)-O(4) bond length is 2.14 Å. The Ti(2)-O(5) bond length is 2.09 Å. The Ti(2)-O(6) bond length is 2.12 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 4-coordinate geometry to one Mg(1), one O(1), one O(2), and one O(3) atom. The Ge(1)-O(1) bond length is 1.86 Å. The Ge(1)-O(2) bond length is 1.86 Å. The Ge(1)-O(3) bond length is 1.86 Å. In the second Ge site, Ge(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. The Ge(2)-O(4) bond length is 1.93 Å. The Ge(2)-O(5) bond length is 1.95 Å. The Ge(2)-O(6) bond length is 1.92 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Ti(1), one Ti(2), and one Ge(1) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Ti(1), one Ti(2), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(2), and one Ge(1) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Ti(1), one Ti(2), and one Ge(2) atom to form a mixture of distorted edge and corner-sharing OMgTi2Ge trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Ti(1), one Ti(2), and one Ge(2) atom to form a mixture of distorted edge and corner-sharing OMgTi2Ge trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Ti(1), one Ti(2), and one Ge(2) atom.