EuHg2 crystallizes in the hexagonal P6/mmm space group. Eu(1) is bonded to twelve equivalent Hg(1) atoms to form a mixture of face and edge-sharing EuHg12 cuboctahedra. Hg(1) is bonded in a 9-coordinate geometry to six equivalent Eu(1) and three equivalent Hg(1) atoms.
EuHg2 crystallizes in the hexagonal P6/mmm space group. Eu(1) is bonded to twelve equivalent Hg(1) atoms to form a mixture of face and edge-sharing EuHg12 cuboctahedra. All Eu(1)-Hg(1) bond lengths are 3.44 Å. Hg(1) is bonded in a 9-coordinate geometry to six equivalent Eu(1) and three equivalent Hg(1) atoms. All Hg(1)-Hg(1) bond lengths are 2.90 Å.