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DOE OSTI2020

Materials Data on Th(SiTc)2 by Materials Project

Th(TcSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Th4+ is bonded in a 8-coordinate geometry to eight equivalent Tc2- atoms. All Th–Tc bond lengths are 3.26 Å. Tc2- is bonded in a 12-coordinate geometry to four equivalent Th4+ and four equivalent Si atoms. All Tc–Si bond lengths are 2.44 Å. Si is bonded in a 5-coordinate geometry to four equivalent Tc2- and one Si atom. The Si–Si bond length is 2.56 Å.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on SiTc by Materials Project

TcSi is alpha-derived structured and crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Tc4+ is bonded in a 7-coordinate geometry to seven equivalent Si4- atoms. There are a spread of Tc–Si bond distances ranging from 2.41–2.69 Å. Si4- is bonded in a 7-coordinate geometry to seven equivalent Tc4+ atoms.

36 MATERIALS SCIENCE↗