YHg2 crystallizes in the hexagonal P6/mmm space group. Y(1) is bonded to twelve equivalent Hg(1) atoms to form a mixture of face and edge-sharing YHg12 cuboctahedra. Hg(1) is bonded in a 9-coordinate geometry to six equivalent Y(1) and three equivalent Hg(1) atoms.
YHg2 crystallizes in the hexagonal P6/mmm space group. Y(1) is bonded to twelve equivalent Hg(1) atoms to form a mixture of face and edge-sharing YHg12 cuboctahedra. All Y(1)-Hg(1) bond lengths are 3.32 Å. Hg(1) is bonded in a 9-coordinate geometry to six equivalent Y(1) and three equivalent Hg(1) atoms. All Hg(1)-Hg(1) bond lengths are 2.82 Å.