MoGe2O6 crystallizes in the monoclinic P2_1/c space group. Mo(1) is bonded to one O(3), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted MoO6 octahedra that share corners with two equivalent Ge(2)O5 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra, edges with two equivalent Mo(1)O6 octahedra, and  an edgeedge with one Ge(2)O5 tetrahedra. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(4), one O(5), and two equivalent O(2) atoms to form GeO4 tetrahedra that share corners with three equivalent Mo(1)O6 octahedra and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-58°. In the second Ge site, Ge(2) is bonded to one O(6), two equivalent O(1), and two equivalent O(3) atoms to form distorted GeO5 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Ge(2)O5 tetrahedra,  an edgeedge with one Mo(1)O6 octahedra, and  an edgeedge with one Ge(2)O5 tetrahedra. The corner-sharing octahedral tilt angles range from 36-47°. There are six inequivalent O sites. In the first O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mo(1) and one Ge(2) atom. In the second O site, O(1) is bonded in a distorted bent 150 degrees geometry to two equivalent Ge(2) atoms. In the third O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent Ge(1) atoms. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Mo(1) and two equivalent Ge(2) atoms. In the fifth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(1) and one Ge(1) atom. In the sixth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Mo(1) and one Ge(1) atom.
MoGe2O6 crystallizes in the monoclinic P2_1/c space group. Mo(1) is bonded to one O(3), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted MoO6 octahedra that share corners with two equivalent Ge(2)O5 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra, edges with two equivalent Mo(1)O6 octahedra, and  an edgeedge with one Ge(2)O5 tetrahedra. The Mo(1)-O(3) bond length is 2.05 Å. The Mo(1)-O(4) bond length is 1.96 Å. There is one shorter (2.13 Å) and one longer (2.21 Å) Mo(1)-O(5) bond length. There is one shorter (2.01 Å) and one longer (2.17 Å) Mo(1)-O(6) bond length. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(4), one O(5), and two equivalent O(2) atoms to form GeO4 tetrahedra that share corners with three equivalent Mo(1)O6 octahedra and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-58°. The Ge(1)-O(4) bond length is 1.75 Å. The Ge(1)-O(5) bond length is 1.81 Å. Both Ge(1)-O(2) bond lengths are 1.76 Å. In the second Ge site, Ge(2) is bonded to one O(6), two equivalent O(1), and two equivalent O(3) atoms to form distorted GeO5 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Ge(2)O5 tetrahedra,  an edgeedge with one Mo(1)O6 octahedra, and  an edgeedge with one Ge(2)O5 tetrahedra. The corner-sharing octahedral tilt angles range from 36-47°. The Ge(2)-O(6) bond length is 1.86 Å. There is one shorter (1.75 Å) and one longer (1.78 Å) Ge(2)-O(1) bond length. There is one shorter (1.77 Å) and one longer (2.42 Å) Ge(2)-O(3) bond length. There are six inequivalent O sites. In the first O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mo(1) and one Ge(2) atom. In the second O site, O(1) is bonded in a distorted bent 150 degrees geometry to two equivalent Ge(2) atoms. In the third O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent Ge(1) atoms. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Mo(1) and two equivalent Ge(2) atoms. In the fifth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(1) and one Ge(1) atom. In the sixth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Mo(1) and one Ge(1) atom.