Th(RhB)4 crystallizes in the tetragonal P4_2/nmc space group. Th(1) is bonded in a 24-coordinate geometry to twelve equivalent Rh(1) and twelve equivalent B(1) atoms. Rh(1) is bonded in a 5-coordinate geometry to three equivalent Th(1) and five equivalent B(1) atoms. B(1) is bonded in a 6-coordinate geometry to three equivalent Th(1), five equivalent Rh(1), and one B(1) atom.
Th(RhB)4 crystallizes in the tetragonal P4_2/nmc space group. Th(1) is bonded in a 24-coordinate geometry to twelve equivalent Rh(1) and twelve equivalent B(1) atoms. There are four shorter (3.03 Å) and eight longer (3.21 Å) Th(1)-Rh(1) bond lengths. There are eight shorter (3.07 Å) and four longer (3.21 Å) Th(1)-B(1) bond lengths. Rh(1) is bonded in a 5-coordinate geometry to three equivalent Th(1) and five equivalent B(1) atoms. There are a spread of Rh(1)-B(1) bond distances ranging from 2.24-2.31 Å. B(1) is bonded in a 6-coordinate geometry to three equivalent Th(1), five equivalent Rh(1), and one B(1) atom. The B(1)-B(1) bond length is 1.79 Å.