MgCo2Te2(MoO6)2 crystallizes in the monoclinic P2 space group. Mg(1) is bonded to two equivalent O(3) and two equivalent O(5) atoms to form MgO4 tetrahedra that share corners with two equivalent Mo(1)O4 tetrahedra and corners with two equivalent Mo(2)O4 tetrahedra. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to two equivalent O(5) and two equivalent O(6) atoms to form distorted MoO4 tetrahedra that share corners with two equivalent Co(2)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. In the second Mo site, Mo(2) is bonded to two equivalent O(1) and two equivalent O(3) atoms to form distorted MoO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted CoO6 octahedra that share corners with four equivalent Co(2)O6 octahedra and corners with two equivalent Mo(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-60°. In the second Co site, Co(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted CoO6 octahedra that share corners with four equivalent Co(1)O6 octahedra and corners with two equivalent Mo(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-60°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted see-saw-like geometry to two equivalent O(1) and two equivalent O(4) atoms. In the second Te site, Te(2) is bonded in a distorted see-saw-like geometry to two equivalent O(2) and two equivalent O(6) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mo(2), one Co(1), and one Te(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Co(1), one Co(2), and one Te(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Te(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mg(1) and one Mo(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mo(1), one Co(2), and one Te(2) atom.
MgCo2Te2(MoO6)2 crystallizes in the monoclinic P2 space group. Mg(1) is bonded to two equivalent O(3) and two equivalent O(5) atoms to form MgO4 tetrahedra that share corners with two equivalent Mo(1)O4 tetrahedra and corners with two equivalent Mo(2)O4 tetrahedra. Both Mg(1)-O(3) bond lengths are 1.98 Å. Both Mg(1)-O(5) bond lengths are 1.96 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to two equivalent O(5) and two equivalent O(6) atoms to form distorted MoO4 tetrahedra that share corners with two equivalent Co(2)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. Both Mo(1)-O(5) bond lengths are 1.85 Å. Both Mo(1)-O(6) bond lengths are 1.92 Å. In the second Mo site, Mo(2) is bonded to two equivalent O(1) and two equivalent O(3) atoms to form distorted MoO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. Both Mo(2)-O(1) bond lengths are 1.91 Å. Both Mo(2)-O(3) bond lengths are 1.84 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted CoO6 octahedra that share corners with four equivalent Co(2)O6 octahedra and corners with two equivalent Mo(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-60°. Both Co(1)-O(1) bond lengths are 2.29 Å. Both Co(1)-O(2) bond lengths are 2.10 Å. Both Co(1)-O(4) bond lengths are 2.14 Å. In the second Co site, Co(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted CoO6 octahedra that share corners with four equivalent Co(1)O6 octahedra and corners with two equivalent Mo(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-60°. Both Co(2)-O(2) bond lengths are 2.20 Å. Both Co(2)-O(4) bond lengths are 2.11 Å. Both Co(2)-O(6) bond lengths are 2.20 Å. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted see-saw-like geometry to two equivalent O(1) and two equivalent O(4) atoms. Both Te(1)-O(1) bond lengths are 2.08 Å. Both Te(1)-O(4) bond lengths are 1.93 Å. In the second Te site, Te(2) is bonded in a distorted see-saw-like geometry to two equivalent O(2) and two equivalent O(6) atoms. Both Te(2)-O(2) bond lengths are 1.94 Å. Both Te(2)-O(6) bond lengths are 2.09 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mo(2), one Co(1), and one Te(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Co(1), one Co(2), and one Te(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Te(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mg(1) and one Mo(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mo(1), one Co(2), and one Te(2) atom.