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GdZn is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Gd–Zn bond lengths are 3.12 Å. Zn is bonded in a body-centered cubic geometry to eight equivalent Gd atoms.
Gd2Zn17 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Gd is bonded in a 10-coordinate geometry to nineteen Zn atoms. There are a spread of Gd–Zn bond distances ranging from 3.12–3.46 Å. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded to three equivalent Gd and nine Zn atoms to form distorted ZnGd3Zn9 cuboctahedra that share corners with twenty-three ZnGd2Zn10 cuboctahedra, edges with ten ZnGd2Zn10 cuboctahedra, and faces with twenty ZnGd3Zn9 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.56–2.87 Å. In the second Zn site, Zn is bonded to two equivalent Gd and ten Zn atoms to form distorted ZnGd2Zn10 cuboctahedra that share corners with twenty-four ZnGd2Zn10 cuboctahedra, edges with five ZnGd2Zn10 cuboctahedra, and faces with twenty-one ZnGd3Zn9 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.60–2.98 Å. In the third Zn site, Zn is bonded to two equivalent Gd and ten Zn atoms to form ZnGd2Zn10 cuboctahedra that share corners with twenty-two ZnGd2Zn10 cuboctahedra, edges with ten ZnGd3Zn9 cuboctahedra, and faces with eighteen ZnGd3Zn9 cuboctahedra. Both Zn–Zn bond lengths are 2.74 Å. In the fourth Zn site, Zn is bonded in a 2-coordinate geometry to one Gd and thirteen Zn atoms. The Zn–Zn bond length is 2.65 Å.
GdZn2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Gd is bonded in a 12-coordinate geometry to twelve equivalent Zn atoms. There are a spread of Gd–Zn bond distances ranging from 3.10–3.27 Å. Zn is bonded in a 10-coordinate geometry to six equivalent Gd and four equivalent Zn atoms. There are three shorter (2.61 Å) and one longer (2.97 Å) Zn–Zn bond lengths.
Gd3Zn is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded to eight equivalent Gd and four equivalent Zn atoms to form distorted GdGd8Zn4 cuboctahedra that share corners with twelve equivalent GdGd8Zn4 cuboctahedra, edges with eight equivalent ZnGd12 cuboctahedra, edges with sixteen equivalent GdGd8Zn4 cuboctahedra, faces with four equivalent ZnGd12 cuboctahedra, and faces with fourteen equivalent GdGd8Zn4 cuboctahedra. All Gd–Gd bond lengths are 3.41 Å. All Gd–Zn bond lengths are 3.41 Å. Zn is bonded to twelve equivalent Gd atoms to form ZnGd12 cuboctahedra that share corners with twelve equivalent ZnGd12 cuboctahedra, edges with twenty-four equivalent GdGd8Zn4 cuboctahedra, faces with six equivalent ZnGd12 cuboctahedra, and faces with twelve equivalent GdGd8Zn4 cuboctahedra.
Gd6Zn23 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Gd is bonded in a 12-coordinate geometry to twelve Zn atoms. There are a spread of Gd–Zn bond distances ranging from 3.13–3.27 Å. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded in a distorted q6 geometry to three equivalent Gd and nine Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.64–2.84 Å. In the second Zn site, Zn is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Zn–Zn bond lengths are 2.75 Å. In the third Zn site, Zn is bonded to four equivalent Gd and eight Zn atoms to form a mixture of face and corner-sharing ZnGd4Zn8 cuboctahedra. All Zn–Zn bond lengths are 2.81 Å. In the fourth Zn site, Zn is bonded in a 10-coordinate geometry to three equivalent Gd and seven Zn atoms.