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TbZn2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Tb is bonded in a 12-coordinate geometry to twelve equivalent Zn atoms. There are a spread of Tb–Zn bond distances ranging from 3.07–3.25 Å. Zn is bonded in a 10-coordinate geometry to six equivalent Tb and four equivalent Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.58–2.96 Å.
Tb2Zn17 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded in a 8-coordinate geometry to twenty Zn atoms. There are a spread of Tb–Zn bond distances ranging from 3.09–3.40 Å. In the second Tb site, Tb is bonded in a 12-coordinate geometry to eighteen Zn atoms. There are a spread of Tb–Zn bond distances ranging from 3.14–3.46 Å. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded to three Tb and nine Zn atoms to form distorted ZnTb3Zn9 cuboctahedra that share corners with twenty-three ZnTb2Zn10 cuboctahedra, edges with ten ZnTb2Zn10 cuboctahedra, and faces with twenty ZnTb3Zn9 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.54–2.88 Å. In the second Zn site, Zn is bonded in a 2-coordinate geometry to one Tb and thirteen Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.61–2.97 Å. In the third Zn site, Zn is bonded to two equivalent Tb and ten Zn atoms to form ZnTb2Zn10 cuboctahedra that share corners with twenty-two ZnTb2Zn10 cuboctahedra, edges with ten ZnTb2Zn10 cuboctahedra, and faces with eighteen ZnTb3Zn9 cuboctahedra. All Zn–Zn bond lengths are 2.60 Å. In the fourth Zn site, Zn is bonded to two Tb and ten Zn atoms to form distorted ZnTb2Zn10 cuboctahedra that share corners with twenty-four ZnTb3Zn9 cuboctahedra, edges with five ZnTb2Zn10 cuboctahedra, and faces with twenty-one ZnTb3Zn9 cuboctahedra. There are one shorter (2.61 Å) and one longer (2.73 Å) Zn–Zn bond lengths.
Tb2Zn17 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Tb is bonded in a 10-coordinate geometry to nineteen Zn atoms. There are a spread of Tb–Zn bond distances ranging from 3.10–3.46 Å. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded to three equivalent Tb and nine Zn atoms to form distorted ZnTb3Zn9 cuboctahedra that share corners with fifteen ZnTb2Zn10 cuboctahedra, edges with eight ZnTb3Zn9 cuboctahedra, and faces with ten ZnTb3Zn9 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.55–2.86 Å. In the second Zn site, Zn is bonded in a 12-coordinate geometry to two equivalent Tb and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.59–2.97 Å. In the third Zn site, Zn is bonded in a 2-coordinate geometry to one Tb and thirteen Zn atoms. There are one shorter (2.65 Å) and three longer (2.74 Å) Zn–Zn bond lengths. In the fourth Zn site, Zn is bonded to two equivalent Tb and ten Zn atoms to form ZnTb2Zn10 cuboctahedra that share corners with fourteen ZnTb2Zn10 cuboctahedra, edges with six equivalent ZnTb3Zn9 cuboctahedra, and faces with ten ZnTb3Zn9 cuboctahedra.
TbZn 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 Zn atoms. All Tb–Zn bond lengths are 3.11 Å. Zn is bonded in a body-centered cubic geometry to eight equivalent Tb atoms.