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TbRh is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Tb is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Tb–Rh bond lengths are 2.98 Å. Rh is bonded in a body-centered cubic geometry to eight equivalent Tb atoms.
TbRh5 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tb is bonded in a distorted hexagonal planar geometry to eighteen Rh atoms. There are six shorter (3.03 Å) and twelve longer (3.40 Å) Tb–Rh bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 3-coordinate geometry to three equivalent Tb and six equivalent Rh atoms. All Rh–Rh bond lengths are 2.64 Å. In the second Rh site, Rh is bonded to four equivalent Tb and eight Rh atoms to form a mixture of edge, face, and corner-sharing RhTb4Rh8 cuboctahedra. All Rh–Rh bond lengths are 2.63 Å.
TbRh2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Tb is bonded in a 12-coordinate geometry to twelve equivalent Rh atoms. All Tb–Rh bond lengths are 3.14 Å. Rh is bonded to six equivalent Tb and six equivalent Rh atoms to form a mixture of edge, corner, and face-sharing RhTb6Rh6 cuboctahedra. All Rh–Rh bond lengths are 2.68 Å.
Tb3Rh2 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are five inequivalent Tb sites. In the first Tb site, Tb is bonded in a 6-coordinate geometry to six Rh atoms. There are a spread of Tb–Rh bond distances ranging from 2.89–3.49 Å. In the second Tb site, Tb is bonded in a 4-coordinate geometry to four Rh atoms. There are two shorter (2.73 Å) and two longer (2.85 Å) Tb–Rh bond lengths. In the third Tb site, Tb is bonded in a 6-coordinate geometry to six Rh atoms. There are a spread of Tb–Rh bond distances ranging from 2.86–3.26 Å. In the fourth Tb site, Tb is bonded in a tetrahedral geometry to four equivalent Rh atoms. All Tb–Rh bond lengths are 2.91 Å. In the fifth Tb site, Tb is bonded in a 5-coordinate geometry to six Rh atoms. There are a spread of Tb–Rh bond distances ranging from 2.78–3.49 Å. There are six inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to eight Tb atoms. In the second Rh site, Rh is bonded in a 8-coordinate geometry to eight Tb atoms. In the third Rh site, Rh is bonded in a body-centered cubic geometry to eight equivalent Tb atoms. In the fourth Rh site, Rh is bonded in a 10-coordinate geometry to eight equivalent Tb atoms. In the fifth Rh site, Rh is bonded in a 6-coordinate geometry to eight Tb atoms. In the sixth Rh site, Rh is bonded in a 10-coordinate geometry to ten Tb atoms.
Tb7Rh3 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are three inequivalent Tb sites. In the first Tb site, Tb is bonded in a 3-coordinate geometry to three equivalent Rh atoms. All Tb–Rh bond lengths are 2.81 Å. In the second Tb site, Tb is bonded in a distorted L-shaped geometry to two equivalent Rh atoms. Both Tb–Rh bond lengths are 2.84 Å. In the third Tb site, Tb is bonded in a 3-coordinate geometry to three equivalent Rh atoms. There are one shorter (2.87 Å) and two longer (2.89 Å) Tb–Rh bond lengths. Rh is bonded in a 6-coordinate geometry to six Tb atoms.
Tb3Rh is Cementite structured and crystallizes in the orthorhombic Pnma space group. The structure is two-dimensional and consists of two Tb3Rh sheets oriented in the (0, 0, 1) direction. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded in a 2-coordinate geometry to two equivalent Rh atoms. There are one shorter (2.85 Å) and one longer (2.86 Å) Tb–Rh bond lengths. In the second Tb site, Tb is bonded in a distorted bent 150 degrees geometry to two equivalent Rh atoms. There are one shorter (2.80 Å) and one longer (2.89 Å) Tb–Rh bond lengths. Rh is bonded in a 6-coordinate geometry to six Tb atoms.
Tb5Rh3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded to six equivalent Rh atoms to form a mixture of distorted corner, edge, and face-sharing TbRh6 octahedra. The corner-sharing octahedral tilt angles are 35°. All Tb–Rh bond lengths are 3.02 Å. In the second Tb site, Tb is bonded in a 5-coordinate geometry to five equivalent Rh atoms. There are a spread of Tb–Rh bond distances ranging from 2.88–3.37 Å. Rh is bonded in a 9-coordinate geometry to nine Tb atoms.