Cs2SiH6Tl crystallizes in the cubic Fm-3m space group. The structure consists of four 7440-28-0 atoms inside a Cs2SiH6 framework. In the Cs2SiH6 framework, Cs(1) is bonded to twelve equivalent H(1) atoms to form distorted CsH12 cuboctahedra that share corners with twelve equivalent Cs(1)H12 cuboctahedra, faces with six equivalent Cs(1)H12 cuboctahedra, and faces with four equivalent Si(1)H6 octahedra. Si(1) is bonded to six equivalent H(1) atoms to form SiH6 octahedra that share faces with eight equivalent Cs(1)H12 cuboctahedra. H(1) is bonded in a single-bond geometry to four equivalent Cs(1) and one Si(1) atom.
Cs2SiH6Tl crystallizes in the cubic Fm-3m space group. The structure consists of four 7440-28-0 atoms inside a Cs2SiH6 framework. In the Cs2SiH6 framework, Cs(1) is bonded to twelve equivalent H(1) atoms to form distorted CsH12 cuboctahedra that share corners with twelve equivalent Cs(1)H12 cuboctahedra, faces with six equivalent Cs(1)H12 cuboctahedra, and faces with four equivalent Si(1)H6 octahedra. All Cs(1)-H(1) bond lengths are 3.23 Å. Si(1) is bonded to six equivalent H(1) atoms to form SiH6 octahedra that share faces with eight equivalent Cs(1)H12 cuboctahedra. All Si(1)-H(1) bond lengths are 1.66 Å. H(1) is bonded in a single-bond geometry to four equivalent Cs(1) and one Si(1) atom.