TbAs3 crystallizes in the hexagonal P6_3/mmc space group. Tb(1) is bonded to twelve equivalent As(1) atoms to form a mixture of distorted face and corner-sharing TbAs12 cuboctahedra. As(1) is bonded in a 6-coordinate geometry to four equivalent Tb(1) and two equivalent As(1) atoms.
TbAs3 crystallizes in the hexagonal P6_3/mmc space group. Tb(1) is bonded to twelve equivalent As(1) atoms to form a mixture of distorted face and corner-sharing TbAs12 cuboctahedra. There are six shorter (3.01 Å) and six longer (3.19 Å) Tb(1)-As(1) bond lengths. As(1) is bonded in a 6-coordinate geometry to four equivalent Tb(1) and two equivalent As(1) atoms. Both As(1)-As(1) bond lengths are 2.67 Å.