Th(OsB)4 is alpha Pu-derived structured and crystallizes in the tetragonal P4_2/n space group. Th(1) is bonded in a 20-coordinate geometry to eight equivalent Os(1) and twelve equivalent B(1) atoms. Os(1) is bonded in a 4-coordinate geometry to two equivalent Th(1) and four equivalent B(1) atoms. B(1) is bonded in a 6-coordinate geometry to three equivalent Th(1), four equivalent Os(1), and one B(1) atom.
Th(OsB)4 is alpha Pu-derived structured and crystallizes in the tetragonal P4_2/n space group. Th(1) is bonded in a 20-coordinate geometry to eight equivalent Os(1) and twelve equivalent B(1) atoms. All Th(1)-Os(1) bond lengths are 3.23 Å. There are a spread of Th(1)-B(1) bond distances ranging from 2.93-3.48 Å. Os(1) is bonded in a 4-coordinate geometry to two equivalent Th(1) and four equivalent B(1) atoms. There are a spread of Os(1)-B(1) bond distances ranging from 2.14-2.19 Å. B(1) is bonded in a 6-coordinate geometry to three equivalent Th(1), four equivalent Os(1), and one B(1) atom. The B(1)-B(1) bond length is 1.80 Å.