NdFe5Ga7 is Hexagonal Laves-derived structured and crystallizes in the orthorhombic Imm2 space group. Nd(1) is bonded in a 20-coordinate geometry to two equivalent Fe(2), eight equivalent Fe(1), one Ga(1), one Ga(2), two equivalent Ga(3), two equivalent Ga(5), and four equivalent Ga(4) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Nd(1), one Fe(2), two equivalent Fe(1), one Ga(1), one Ga(2), one Ga(5), two equivalent Ga(3), and two equivalent Ga(4) atoms to form distorted FeNd2Ga7Fe3 cuboctahedra that share corners with two equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, corners with two equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, corners with ten equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  an edgeedge with one Fe(2)Nd2Ga6Fe4 cuboctahedra,  an edgeedge with one Ga(5)Nd2Ga6Fe4 cuboctahedra, edges with four equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra, faces with two equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, faces with two equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, and faces with six equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra. In the second Fe site, Fe(2) is bonded to two equivalent Nd(1), four equivalent Fe(1), two equivalent Ga(2), two equivalent Ga(3), and two equivalent Ga(4) atoms to form FeNd2Ga6Fe4 cuboctahedra that share corners with six equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, corners with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  an edgeedge with one Ga(5)Nd2Ga6Fe4 cuboctahedra, edges with two equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, edges with four equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  a faceface with one Ga(5)Nd2Ga6Fe4 cuboctahedra, and faces with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra. There are five inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to one Nd(1), four equivalent Fe(1), one Ga(2), two equivalent Ga(4), and two equivalent Ga(5) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Nd(1), two equivalent Fe(2), four equivalent Fe(1), one Ga(1), and two equivalent Ga(4) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to one Nd(1), one Fe(2), four equivalent Fe(1), one Ga(3), one Ga(5), and two equivalent Ga(4) atoms. In the fourth Ga site, Ga(4) is bonded in a 12-coordinate geometry to two equivalent Nd(1), one Fe(2), four equivalent Fe(1), one Ga(1), one Ga(2), one Ga(5), and two equivalent Ga(3) atoms. In the fifth Ga site, Ga(5) is bonded to two equivalent Nd(1), four equivalent Fe(1), two equivalent Ga(1), two equivalent Ga(3), and two equivalent Ga(4) atoms to form distorted GaNd2Ga6Fe4 cuboctahedra that share corners with six equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, corners with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  an edgeedge with one Fe(2)Nd2Ga6Fe4 cuboctahedra, edges with two equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, edges with four equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  a faceface with one Fe(2)Nd2Ga6Fe4 cuboctahedra, and faces with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra.
NdFe5Ga7 is Hexagonal Laves-derived structured and crystallizes in the orthorhombic Imm2 space group. Nd(1) is bonded in a 20-coordinate geometry to two equivalent Fe(2), eight equivalent Fe(1), one Ga(1), one Ga(2), two equivalent Ga(3), two equivalent Ga(5), and four equivalent Ga(4) atoms. Both Nd(1)-Fe(2) bond lengths are 3.28 Å. There are four shorter (3.31 Å) and four longer (3.37 Å) Nd(1)-Fe(1) bond lengths. The Nd(1)-Ga(1) bond length is 2.98 Å. The Nd(1)-Ga(2) bond length is 2.88 Å. Both Nd(1)-Ga(3) bond lengths are 3.01 Å. Both Nd(1)-Ga(5) bond lengths are 3.23 Å. All Nd(1)-Ga(4) bond lengths are 3.16 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Nd(1), one Fe(2), two equivalent Fe(1), one Ga(1), one Ga(2), one Ga(5), two equivalent Ga(3), and two equivalent Ga(4) atoms to form distorted FeNd2Ga7Fe3 cuboctahedra that share corners with two equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, corners with two equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, corners with ten equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  an edgeedge with one Fe(2)Nd2Ga6Fe4 cuboctahedra,  an edgeedge with one Ga(5)Nd2Ga6Fe4 cuboctahedra, edges with four equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra, faces with two equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, faces with two equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, and faces with six equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra. The Fe(1)-Fe(2) bond length is 2.54 Å. There is one shorter (2.51 Å) and one longer (2.57 Å) Fe(1)-Fe(1) bond length. The Fe(1)-Ga(1) bond length is 2.64 Å. The Fe(1)-Ga(2) bond length is 2.62 Å. The Fe(1)-Ga(5) bond length is 2.52 Å. There is one shorter (2.62 Å) and one longer (2.70 Å) Fe(1)-Ga(3) bond length. There is one shorter (2.50 Å) and one longer (2.59 Å) Fe(1)-Ga(4) bond length. In the second Fe site, Fe(2) is bonded to two equivalent Nd(1), four equivalent Fe(1), two equivalent Ga(2), two equivalent Ga(3), and two equivalent Ga(4) atoms to form FeNd2Ga6Fe4 cuboctahedra that share corners with six equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, corners with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  an edgeedge with one Ga(5)Nd2Ga6Fe4 cuboctahedra, edges with two equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, edges with four equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  a faceface with one Ga(5)Nd2Ga6Fe4 cuboctahedra, and faces with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra. Both Fe(2)-Ga(2) bond lengths are 2.66 Å. Both Fe(2)-Ga(3) bond lengths are 2.59 Å. Both Fe(2)-Ga(4) bond lengths are 2.78 Å. There are five inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to one Nd(1), four equivalent Fe(1), one Ga(2), two equivalent Ga(4), and two equivalent Ga(5) atoms. The Ga(1)-Ga(2) bond length is 2.90 Å. Both Ga(1)-Ga(4) bond lengths are 2.84 Å. Both Ga(1)-Ga(5) bond lengths are 2.72 Å. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Nd(1), two equivalent Fe(2), four equivalent Fe(1), one Ga(1), and two equivalent Ga(4) atoms. Both Ga(2)-Ga(4) bond lengths are 2.92 Å. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to one Nd(1), one Fe(2), four equivalent Fe(1), one Ga(3), one Ga(5), and two equivalent Ga(4) atoms. The Ga(3)-Ga(3) bond length is 2.71 Å. The Ga(3)-Ga(5) bond length is 2.83 Å. Both Ga(3)-Ga(4) bond lengths are 2.78 Å. In the fourth Ga site, Ga(4) is bonded in a 12-coordinate geometry to two equivalent Nd(1), one Fe(2), four equivalent Fe(1), one Ga(1), one Ga(2), one Ga(5), and two equivalent Ga(3) atoms. The Ga(4)-Ga(5) bond length is 2.76 Å. In the fifth Ga site, Ga(5) is bonded to two equivalent Nd(1), four equivalent Fe(1), two equivalent Ga(1), two equivalent Ga(3), and two equivalent Ga(4) atoms to form distorted GaNd2Ga6Fe4 cuboctahedra that share corners with six equivalent Fe(2)Nd2Ga6Fe4 cuboctahedra, corners with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  an edgeedge with one Fe(2)Nd2Ga6Fe4 cuboctahedra, edges with two equivalent Ga(5)Nd2Ga6Fe4 cuboctahedra, edges with four equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra,  a faceface with one Fe(2)Nd2Ga6Fe4 cuboctahedra, and faces with eight equivalent Fe(1)Nd2Ga7Fe3 cuboctahedra.