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AgHg crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Ag is bonded in a 7-coordinate geometry to seven equivalent Hg atoms. There are a spread of Ag–Hg bond distances ranging from 2.91–3.00 Å. Hg is bonded in a 7-coordinate geometry to seven equivalent Ag atoms.
AgHg is Tetraauricupride structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ag is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Ag–Hg bond lengths are 2.99 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Ag atoms.
Ag3Hg is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ag is bonded to eight equivalent Ag and four equivalent Hg atoms to form AgAg8Hg4 cuboctahedra that share corners with twelve equivalent AgAg8Hg4 cuboctahedra, edges with eight equivalent HgAg12 cuboctahedra, edges with sixteen equivalent AgAg8Hg4 cuboctahedra, faces with four equivalent HgAg12 cuboctahedra, and faces with fourteen equivalent AgAg8Hg4 cuboctahedra. All Ag–Ag bond lengths are 3.00 Å. All Ag–Hg bond lengths are 3.00 Å. Hg is bonded to twelve equivalent Ag atoms to form HgAg12 cuboctahedra that share corners with twelve equivalent HgAg12 cuboctahedra, edges with twenty-four equivalent AgAg8Hg4 cuboctahedra, faces with six equivalent HgAg12 cuboctahedra, and faces with twelve equivalent AgAg8Hg4 cuboctahedra.