Sm(NiSn)2 crystallizes in the tetragonal I4/mmm space group. Sm(1) is bonded in a 16-coordinate geometry to eight equivalent Ni(1) and eight equivalent Sn(1) atoms. Ni(1) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Sn(1) atoms. Sn(1) is bonded in a 9-coordinate geometry to four equivalent Sm(1), four equivalent Ni(1), and one Sn(1) atom.
Sm(NiSn)2 crystallizes in the tetragonal I4/mmm space group. Sm(1) is bonded in a 16-coordinate geometry to eight equivalent Ni(1) and eight equivalent Sn(1) atoms. All Sm(1)-Ni(1) bond lengths are 3.40 Å. All Sm(1)-Sn(1) bond lengths are 3.41 Å. Ni(1) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Sn(1) atoms. All Ni(1)-Sn(1) bond lengths are 2.49 Å. Sn(1) is bonded in a 9-coordinate geometry to four equivalent Sm(1), four equivalent Ni(1), and one Sn(1) atom. The Sn(1)-Sn(1) bond length is 2.83 Å.