Nd4Zn11 crystallizes in the tetragonal I4_1/amd space group. Nd(1) is bonded in a 5-coordinate geometry to one Zn(1), one Zn(2), and six equivalent Zn(3) atoms. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 4-coordinate geometry to four equivalent Nd(1) atoms. In the second Zn site, Zn(2) is bonded in a linear geometry to two equivalent Nd(1) and four equivalent Zn(3) atoms. In the third Zn site, Zn(3) is bonded in a 10-coordinate geometry to three equivalent Nd(1), one Zn(2), and six equivalent Zn(3) atoms.
Nd4Zn11 crystallizes in the tetragonal I4_1/amd space group. Nd(1) is bonded in a 5-coordinate geometry to one Zn(1), one Zn(2), and six equivalent Zn(3) atoms. The Nd(1)-Zn(1) bond length is 3.74 Å. The Nd(1)-Zn(2) bond length is 2.92 Å. There are a spread of Nd(1)-Zn(3) bond distances ranging from 3.01-3.68 Å. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 4-coordinate geometry to four equivalent Nd(1) atoms. In the second Zn site, Zn(2) is bonded in a linear geometry to two equivalent Nd(1) and four equivalent Zn(3) atoms. All Zn(2)-Zn(3) bond lengths are 3.08 Å. In the third Zn site, Zn(3) is bonded in a 10-coordinate geometry to three equivalent Nd(1), one Zn(2), and six equivalent Zn(3) atoms. There are a spread of Zn(3)-Zn(3) bond distances ranging from 2.58-2.99 Å.