MnCo(PO4)2 crystallizes in the monoclinic P2_1/m space group. Mn(1) is bonded to one O(1), one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted MnO6 octahedra that share corners with four equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. Co(1) is bonded to one O(2), one O(6), two equivalent O(3), and two equivalent O(4) atoms to form distorted CoO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), and two equivalent O(3) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-55°. In the second P site, P(2) is bonded to one O(5), one O(6), and two equivalent O(4) atoms to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-52°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Co(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mn(1), one Co(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(2) atom.
MnCo(PO4)2 crystallizes in the monoclinic P2_1/m space group. Mn(1) is bonded to one O(1), one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted MnO6 octahedra that share corners with four equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. The Mn(1)-O(1) bond length is 1.90 Å. The Mn(1)-O(5) bond length is 1.90 Å. Both Mn(1)-O(3) bond lengths are 2.02 Å. Both Mn(1)-O(4) bond lengths are 2.34 Å. Co(1) is bonded to one O(2), one O(6), two equivalent O(3), and two equivalent O(4) atoms to form distorted CoO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. The Co(1)-O(2) bond length is 1.96 Å. The Co(1)-O(6) bond length is 1.96 Å. Both Co(1)-O(3) bond lengths are 2.21 Å. Both Co(1)-O(4) bond lengths are 1.98 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), and two equivalent O(3) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-55°. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.52 Å. Both P(1)-O(3) bond lengths are 1.57 Å. In the second P site, P(2) is bonded to one O(5), one O(6), and two equivalent O(4) atoms to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-52°. The P(2)-O(5) bond length is 1.54 Å. The P(2)-O(6) bond length is 1.52 Å. Both P(2)-O(4) bond lengths are 1.58 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Co(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mn(1), one Co(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(2) atom.