Mn3CoSn2(PO4)6 crystallizes in the trigonal R3 space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to three equivalent O(4) and three equivalent O(8) atoms to form distorted MnO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(2)O6 octahedra. In the second Mn site, Mn(2) is bonded to three equivalent O(2) and three equivalent O(5) atoms to form distorted MnO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(1)O6 octahedra. In the third Mn site, Mn(3) is bonded to three equivalent O(1) and three equivalent O(7) atoms to form distorted MnO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(2)O6 octahedra. Co(1) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form distorted CoO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(1)O6 octahedra. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to three equivalent O(2) and three equivalent O(6) atoms to form distorted SnO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra,  a faceface with one Mn(2)O6 pentagonal pyramid, and  a faceface with one Co(1)O6 pentagonal pyramid. In the second Sn site, Sn(2) is bonded to three equivalent O(4) and three equivalent O(7) atoms to form distorted SnO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra,  a faceface with one Mn(1)O6 pentagonal pyramid, and  a faceface with one Mn(3)O6 pentagonal pyramid. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Mn(1)O6 pentagonal pyramid,  a cornercorner with one Mn(2)O6 pentagonal pyramid,  a cornercorner with one Mn(3)O6 pentagonal pyramid, and  a cornercorner with one Co(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 34-37°. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Mn(1)O6 pentagonal pyramid,  a cornercorner with one Mn(2)O6 pentagonal pyramid,  a cornercorner with one Mn(3)O6 pentagonal pyramid, and  a cornercorner with one Co(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 38-41°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mn(3) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(2), one Sn(1), and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to 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 Sn(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(1), one Sn(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(3), one Sn(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom.
Mn3CoSn2(PO4)6 crystallizes in the trigonal R3 space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to three equivalent O(4) and three equivalent O(8) atoms to form distorted MnO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(2)O6 octahedra. All Mn(1)-O(4) bond lengths are 2.30 Å. All Mn(1)-O(8) bond lengths are 2.04 Å. In the second Mn site, Mn(2) is bonded to three equivalent O(2) and three equivalent O(5) atoms to form distorted MnO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(1)O6 octahedra. All Mn(2)-O(2) bond lengths are 2.21 Å. All Mn(2)-O(5) bond lengths are 2.01 Å. In the third Mn site, Mn(3) is bonded to three equivalent O(1) and three equivalent O(7) atoms to form distorted MnO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(2)O6 octahedra. All Mn(3)-O(1) bond lengths are 2.01 Å. All Mn(3)-O(7) bond lengths are 2.20 Å. Co(1) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form distorted CoO6 pentagonal pyramids that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  a faceface with one Sn(1)O6 octahedra. All Co(1)-O(3) bond lengths are 1.91 Å. All Co(1)-O(6) bond lengths are 2.15 Å. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to three equivalent O(2) and three equivalent O(6) atoms to form distorted SnO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra,  a faceface with one Mn(2)O6 pentagonal pyramid, and  a faceface with one Co(1)O6 pentagonal pyramid. All Sn(1)-O(2) bond lengths are 2.16 Å. All Sn(1)-O(6) bond lengths are 2.14 Å. In the second Sn site, Sn(2) is bonded to three equivalent O(4) and three equivalent O(7) atoms to form distorted SnO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra,  a faceface with one Mn(1)O6 pentagonal pyramid, and  a faceface with one Mn(3)O6 pentagonal pyramid. All Sn(2)-O(4) bond lengths are 2.12 Å. All Sn(2)-O(7) bond lengths are 2.12 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Mn(1)O6 pentagonal pyramid,  a cornercorner with one Mn(2)O6 pentagonal pyramid,  a cornercorner with one Mn(3)O6 pentagonal pyramid, and  a cornercorner with one Co(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 34-37°. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.59 Å. The P(1)-O(3) bond length is 1.53 Å. The P(1)-O(4) bond length is 1.58 Å. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Mn(1)O6 pentagonal pyramid,  a cornercorner with one Mn(2)O6 pentagonal pyramid,  a cornercorner with one Mn(3)O6 pentagonal pyramid, and  a cornercorner with one Co(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 38-41°. The P(2)-O(5) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.60 Å. The P(2)-O(7) bond length is 1.59 Å. The P(2)-O(8) bond length is 1.50 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mn(3) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(2), one Sn(1), and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to 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 Sn(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(1), one Sn(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(3), one Sn(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom.