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Materials Data on Th(AlC)4 by Materials Project

Th(AlC)4 crystallizes in the tetragonal I4/m space group. The structure is three-dimensional. Th4+ is bonded in a body-centered cubic geometry to eight equivalent C4- atoms. All Th–C bond lengths are 2.76 Å. Al3+ is bonded to four equivalent C4- atoms to form a mixture of edge and corner-sharing AlC4 trigonal pyramids. There are a spread of Al–C bond distances ranging from 1.98–2.12 Å. C4- is bonded in a 6-coordinate geometry to two equivalent Th4+ and four equivalent Al3+ atoms.

36 MATERIALS SCIENCE↗