Ba(MnSn)2 crystallizes in the tetragonal I4/mmm space group. Ba(1) is bonded in a 16-coordinate geometry to eight equivalent Mn(1) and eight equivalent Sn(1) atoms. Mn(1) is bonded to four equivalent Ba(1) and four equivalent Sn(1) atoms to form a mixture of distorted edge, corner, and face-sharing MnBa4Sn4 tetrahedra. Sn(1) is bonded in a 9-coordinate geometry to four equivalent Ba(1), four equivalent Mn(1), and one Sn(1) atom.
Ba(MnSn)2 crystallizes in the tetragonal I4/mmm space group. Ba(1) is bonded in a 16-coordinate geometry to eight equivalent Mn(1) and eight equivalent Sn(1) atoms. All Ba(1)-Mn(1) bond lengths are 3.82 Å. All Ba(1)-Sn(1) bond lengths are 3.70 Å. Mn(1) is bonded to four equivalent Ba(1) and four equivalent Sn(1) atoms to form a mixture of distorted edge, corner, and face-sharing MnBa4Sn4 tetrahedra. All Mn(1)-Sn(1) bond lengths are 2.75 Å. Sn(1) is bonded in a 9-coordinate geometry to four equivalent Ba(1), four equivalent Mn(1), and one Sn(1) atom. The Sn(1)-Sn(1) bond length is 3.18 Å.