La4Ge7 crystallizes in the orthorhombic C222_1 space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 11-coordinate geometry to one Ge(1), two equivalent Ge(4), four equivalent Ge(2), and four equivalent Ge(3) atoms. In the second La site, La(2) is bonded in a 10-coordinate geometry to two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(4) atoms. In the third La site, La(3) is bonded in a 10-coordinate geometry to two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(4) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent Ge(2) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one La(2), one La(3), four equivalent La(1), one Ge(1), one Ge(3), and one Ge(4) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one La(2), one La(3), four equivalent La(1), one Ge(2), and one Ge(4) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent La(3), one Ge(2), one Ge(3), and one Ge(4) atom.
La4Ge7 crystallizes in the orthorhombic C222_1 space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 11-coordinate geometry to one Ge(1), two equivalent Ge(4), four equivalent Ge(2), and four equivalent Ge(3) atoms. The La(1)-Ge(1) bond length is 3.30 Å. There is one shorter (3.15 Å) and one longer (3.19 Å) La(1)-Ge(4) bond length. There are a spread of La(1)-Ge(2) bond distances ranging from 3.18-3.36 Å. There are a spread of La(1)-Ge(3) bond distances ranging from 3.17-3.67 Å. In the second La site, La(2) is bonded in a 10-coordinate geometry to two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(4) atoms. Both La(2)-Ge(1) bond lengths are 3.24 Å. Both La(2)-Ge(2) bond lengths are 3.23 Å. Both La(2)-Ge(3) bond lengths are 3.18 Å. There are two shorter (3.23 Å) and two longer (3.42 Å) La(2)-Ge(4) bond lengths. In the third La site, La(3) is bonded in a 10-coordinate geometry to two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(4) atoms. Both La(3)-Ge(1) bond lengths are 3.26 Å. Both La(3)-Ge(2) bond lengths are 3.24 Å. Both La(3)-Ge(3) bond lengths are 3.16 Å. There are two shorter (3.30 Å) and two longer (3.35 Å) La(3)-Ge(4) bond lengths. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent Ge(2) atoms. Both Ge(1)-Ge(2) bond lengths are 2.55 Å. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one La(2), one La(3), four equivalent La(1), one Ge(1), one Ge(3), and one Ge(4) atom. The Ge(2)-Ge(3) bond length is 2.52 Å. The Ge(2)-Ge(4) bond length is 2.65 Å. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one La(2), one La(3), four equivalent La(1), one Ge(2), and one Ge(4) atom. The Ge(3)-Ge(4) bond length is 2.71 Å. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent La(3), one Ge(2), one Ge(3), and one Ge(4) atom. The Ge(4)-Ge(4) bond length is 2.46 Å.