Mn2Pt2O5 crystallizes in the tetragonal P4/mmm space group. Mn(1) is bonded in a 5-coordinate geometry to one O(2) and four equivalent O(1) atoms. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a body-centered cubic geometry to eight equivalent O(1) atoms. In the second Pt site, Pt(2) is bonded in a square co-planar geometry to four equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mn(1) and two equivalent Pt(1) atoms to form OMn2Pt2 tetrahedra that share corners with two equivalent O(2)Mn2Pt4 octahedra, corners with ten equivalent O(1)Mn2Pt2 tetrahedra, and edges with five equivalent O(1)Mn2Pt2 tetrahedra. The corner-sharing octahedral tilt angles are 59°. In the second O site, O(2) is bonded to two equivalent Mn(1) and four equivalent Pt(2) atoms to form OMn2Pt4 octahedra that share corners with four equivalent O(2)Mn2Pt4 octahedra, corners with eight equivalent O(1)Mn2Pt2 tetrahedra, and edges with four equivalent O(2)Mn2Pt4 octahedra. The corner-sharing octahedra are not tilted.
Mn2Pt2O5 crystallizes in the tetragonal P4/mmm space group. Mn(1) is bonded in a 5-coordinate geometry to one O(2) and four equivalent O(1) atoms. The Mn(1)-O(2) bond length is 2.05 Å. All Mn(1)-O(1) bond lengths are 2.08 Å. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a body-centered cubic geometry to eight equivalent O(1) atoms. All Pt(1)-O(1) bond lengths are 2.16 Å. In the second Pt site, Pt(2) is bonded in a square co-planar geometry to four equivalent O(2) atoms. All Pt(2)-O(2) bond lengths are 2.52 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mn(1) and two equivalent Pt(1) atoms to form OMn2Pt2 tetrahedra that share corners with two equivalent O(2)Mn2Pt4 octahedra, corners with ten equivalent O(1)Mn2Pt2 tetrahedra, and edges with five equivalent O(1)Mn2Pt2 tetrahedra. The corner-sharing octahedral tilt angles are 59°. In the second O site, O(2) is bonded to two equivalent Mn(1) and four equivalent Pt(2) atoms to form OMn2Pt4 octahedra that share corners with four equivalent O(2)Mn2Pt4 octahedra, corners with eight equivalent O(1)Mn2Pt2 tetrahedra, and edges with four equivalent O(2)Mn2Pt4 octahedra. The corner-sharing octahedra are not tilted.