(BaF)2Mn2Se2O crystallizes in the tetragonal I4/mmm space group. Ba(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) and four equivalent F(1) atoms. Mn(1) is bonded in a distorted linear geometry to four equivalent Se(1) and two equivalent O(1) atoms. Se(1) is bonded in a 8-coordinate geometry to four equivalent Ba(1) and four equivalent Mn(1) atoms. O(1) is bonded in a square co-planar geometry to four equivalent Mn(1) atoms. F(1) is bonded to four equivalent Ba(1) atoms to form a mixture of edge and corner-sharing FBa4 tetrahedra.
(BaF)2Mn2Se2O crystallizes in the tetragonal I4/mmm space group. Ba(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) and four equivalent F(1) atoms. All Ba(1)-Se(1) bond lengths are 3.43 Å. All Ba(1)-F(1) bond lengths are 2.67 Å. Mn(1) is bonded in a distorted linear geometry to four equivalent Se(1) and two equivalent O(1) atoms. All Mn(1)-Se(1) bond lengths are 2.86 Å. Both Mn(1)-O(1) bond lengths are 2.16 Å. Se(1) is bonded in a 8-coordinate geometry to four equivalent Ba(1) and four equivalent Mn(1) atoms. O(1) is bonded in a square co-planar geometry to four equivalent Mn(1) atoms. F(1) is bonded to four equivalent Ba(1) atoms to form a mixture of edge and corner-sharing FBa4 tetrahedra.