LaFe(Ni2Ge)4 crystallizes in the orthorhombic Fmm2 space group. La(1) is bonded in a 24-coordinate geometry to two equivalent Fe(1), two equivalent Ni(5), two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(1), four equivalent Ni(2), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. Fe(1) is bonded in a 12-coordinate geometry to two equivalent La(1), one Fe(1), one Ni(4), two equivalent Ni(2), two equivalent Ni(7), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent La(1), one Ni(1), one Ni(3), one Ni(5), one Ni(7), two equivalent Ni(2), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiLa2Ni6Ge4 cuboctahedra that share  a cornercorner with one Ni(4)Fe2Ni6Ge4 cuboctahedra, corners with five equivalent Ni(1)La2Ni6Ge4 cuboctahedra, corners with six equivalent Ni(2)La2FeNi5Ge4 cuboctahedra,  a faceface with one Ni(4)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(3)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(1)La2Ni6Ge4 cuboctahedra, and faces with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra. In the second Ni site, Ni(2) is bonded to two equivalent La(1), one Fe(1), one Ni(2), one Ni(4), one Ni(6), two equivalent Ni(1), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiLa2FeNi5Ge4 cuboctahedra that share  a cornercorner with one Ni(3)Ni8Ge4 cuboctahedra, corners with five equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, corners with six equivalent Ni(1)La2Ni6Ge4 cuboctahedra,  a faceface with one Ni(4)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(3)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent Ni(5), two equivalent Ni(7), four equivalent Ni(1), two equivalent Ge(1), and two equivalent Ge(3) atoms to form distorted NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, faces with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Fe(1), two equivalent Ni(6), four equivalent Ni(2), two equivalent Ge(2), and two equivalent Ge(4) atoms to form distorted NiFe2Ni6Ge4 cuboctahedra that share corners with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra, faces with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra. In the fifth Ni site, Ni(5) is bonded in a 4-coordinate geometry to two equivalent La(1), one Ni(3), two equivalent Ni(1), one Ge(2), one Ge(4), and two equivalent Ge(1) atoms. In the sixth Ni site, Ni(6) is bonded in a 4-coordinate geometry to two equivalent La(1), one Ni(4), two equivalent Ni(2), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the seventh Ni site, Ni(7) is bonded in a 12-coordinate geometry to two equivalent La(1), two equivalent Fe(1), one Ni(3), one Ni(7), two equivalent Ni(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 11-coordinate geometry to two equivalent La(1), one Fe(1), one Ni(3), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(5) atoms. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to two equivalent La(1), two equivalent Fe(1), one Ni(4), one Ni(5), one Ni(7), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the third Ge site, Ge(3) is bonded in a 11-coordinate geometry to two equivalent La(1), one Fe(1), one Ni(3), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(7) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to two equivalent La(1), one Ni(4), one Ni(5), one Ni(7), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(6) atoms.
LaFe(Ni2Ge)4 crystallizes in the orthorhombic Fmm2 space group. La(1) is bonded in a 24-coordinate geometry to two equivalent Fe(1), two equivalent Ni(5), two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(1), four equivalent Ni(2), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. Both La(1)-Fe(1) bond lengths are 3.26 Å. Both La(1)-Ni(5) bond lengths are 3.22 Å. Both La(1)-Ni(6) bond lengths are 3.25 Å. Both La(1)-Ni(7) bond lengths are 3.24 Å. There are two shorter (3.37 Å) and two longer (3.42 Å) La(1)-Ni(1) bond lengths. There are two shorter (3.37 Å) and two longer (3.43 Å) La(1)-Ni(2) bond lengths. Both La(1)-Ge(1) bond lengths are 3.29 Å. Both La(1)-Ge(2) bond lengths are 3.27 Å. Both La(1)-Ge(3) bond lengths are 3.32 Å. Both La(1)-Ge(4) bond lengths are 3.31 Å. Fe(1) is bonded in a 12-coordinate geometry to two equivalent La(1), one Fe(1), one Ni(4), two equivalent Ni(2), two equivalent Ni(7), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. The Fe(1)-Fe(1) bond length is 2.73 Å. The Fe(1)-Ni(4) bond length is 2.52 Å. Both Fe(1)-Ni(2) bond lengths are 2.56 Å. Both Fe(1)-Ni(7) bond lengths are 2.56 Å. The Fe(1)-Ge(1) bond length is 2.39 Å. The Fe(1)-Ge(3) bond length is 2.37 Å. Both Fe(1)-Ge(2) bond lengths are 2.46 Å. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent La(1), one Ni(1), one Ni(3), one Ni(5), one Ni(7), two equivalent Ni(2), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiLa2Ni6Ge4 cuboctahedra that share  a cornercorner with one Ni(4)Fe2Ni6Ge4 cuboctahedra, corners with five equivalent Ni(1)La2Ni6Ge4 cuboctahedra, corners with six equivalent Ni(2)La2FeNi5Ge4 cuboctahedra,  a faceface with one Ni(4)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(3)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(1)La2Ni6Ge4 cuboctahedra, and faces with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra. The Ni(1)-Ni(1) bond length is 2.55 Å. The Ni(1)-Ni(3) bond length is 2.43 Å. The Ni(1)-Ni(5) bond length is 2.56 Å. The Ni(1)-Ni(7) bond length is 2.55 Å. Both Ni(1)-Ni(2) bond lengths are 2.41 Å. The Ni(1)-Ge(1) bond length is 2.60 Å. The Ni(1)-Ge(2) bond length is 2.53 Å. The Ni(1)-Ge(3) bond length is 2.60 Å. The Ni(1)-Ge(4) bond length is 2.52 Å. In the second Ni site, Ni(2) is bonded to two equivalent La(1), one Fe(1), one Ni(2), one Ni(4), one Ni(6), two equivalent Ni(1), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiLa2FeNi5Ge4 cuboctahedra that share  a cornercorner with one Ni(3)Ni8Ge4 cuboctahedra, corners with five equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, corners with six equivalent Ni(1)La2Ni6Ge4 cuboctahedra,  a faceface with one Ni(4)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(3)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra. The Ni(2)-Ni(2) bond length is 2.56 Å. The Ni(2)-Ni(4) bond length is 2.41 Å. The Ni(2)-Ni(6) bond length is 2.57 Å. The Ni(2)-Ge(1) bond length is 2.50 Å. The Ni(2)-Ge(2) bond length is 2.58 Å. The Ni(2)-Ge(3) bond length is 2.54 Å. The Ni(2)-Ge(4) bond length is 2.58 Å. In the third Ni site, Ni(3) is bonded to two equivalent Ni(5), two equivalent Ni(7), four equivalent Ni(1), two equivalent Ge(1), and two equivalent Ge(3) atoms to form distorted NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, faces with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra. Both Ni(3)-Ni(5) bond lengths are 2.54 Å. Both Ni(3)-Ni(7) bond lengths are 2.55 Å. Both Ni(3)-Ge(1) bond lengths are 2.40 Å. Both Ni(3)-Ge(3) bond lengths are 2.42 Å. In the fourth Ni site, Ni(4) is bonded to two equivalent Fe(1), two equivalent Ni(6), four equivalent Ni(2), two equivalent Ge(2), and two equivalent Ge(4) atoms to form distorted NiFe2Ni6Ge4 cuboctahedra that share corners with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra, faces with four equivalent Ni(2)La2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)La2Ni6Ge4 cuboctahedra. Both Ni(4)-Ni(6) bond lengths are 2.56 Å. Both Ni(4)-Ge(2) bond lengths are 2.42 Å. Both Ni(4)-Ge(4) bond lengths are 2.40 Å. In the fifth Ni site, Ni(5) is bonded in a 4-coordinate geometry to two equivalent La(1), one Ni(3), two equivalent Ni(1), one Ge(2), one Ge(4), and two equivalent Ge(1) atoms. The Ni(5)-Ge(2) bond length is 2.38 Å. The Ni(5)-Ge(4) bond length is 2.37 Å. Both Ni(5)-Ge(1) bond lengths are 2.50 Å. In the sixth Ni site, Ni(6) is bonded in a 4-coordinate geometry to two equivalent La(1), one Ni(4), two equivalent Ni(2), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. The Ni(6)-Ge(1) bond length is 2.37 Å. The Ni(6)-Ge(3) bond length is 2.36 Å. Both Ni(6)-Ge(4) bond lengths are 2.49 Å. In the seventh Ni site, Ni(7) is bonded in a 12-coordinate geometry to two equivalent La(1), two equivalent Fe(1), one Ni(3), one Ni(7), two equivalent Ni(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. The Ni(7)-Ni(7) bond length is 2.82 Å. The Ni(7)-Ge(2) bond length is 2.37 Å. The Ni(7)-Ge(4) bond length is 2.39 Å. Both Ni(7)-Ge(3) bond lengths are 2.47 Å. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 11-coordinate geometry to two equivalent La(1), one Fe(1), one Ni(3), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(5) atoms. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to two equivalent La(1), two equivalent Fe(1), one Ni(4), one Ni(5), one Ni(7), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the third Ge site, Ge(3) is bonded in a 11-coordinate geometry to two equivalent La(1), one Fe(1), one Ni(3), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(7) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to two equivalent La(1), one Ni(4), one Ni(5), one Ni(7), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(6) atoms.