Sm3Hg is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. Sm(1) is bonded in a 4-coordinate geometry to four equivalent Hg(1) atoms. Hg(1) is bonded to twelve equivalent Sm(1) atoms to form a mixture of face and corner-sharing HgSm12 cuboctahedra.
Sm3Hg is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. Sm(1) is bonded in a 4-coordinate geometry to four equivalent Hg(1) atoms. There are two shorter (3.34 Å) and two longer (3.50 Å) Sm(1)-Hg(1) bond lengths. Hg(1) is bonded to twelve equivalent Sm(1) atoms to form a mixture of face and corner-sharing HgSm12 cuboctahedra.