Materials Data on ThRe2SiC by Materials Project
ThRe2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Th is bonded in a 4-coordinate geometry to three equivalent Si and four equivalent C atoms. There are one shorter (3.11 Å) and two longer (3.17 Å) Th–Si bond lengths. All Th–C bond lengths are 2.77 Å. Re is bonded in a single-bond geometry to three equivalent Si and one C atom. There are one shorter (2.51 Å) and two longer (2.54 Å) Re–Si bond lengths. The Re–C bond length is 1.97 Å. Si is bonded in a 9-coordinate geometry to three equivalent Th and six equivalent Re atoms. C is bonded to four equivalent Th and two equivalent Re atoms to form a mixture of corner and edge-sharing CTh4Re2 octahedra. The corner-sharing octahedral tilt angles are 21°.