BaGe2 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 11-coordinate geometry to two equivalent Ge(2), three equivalent Ge(3), and six equivalent Ge(1) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to two equivalent Ge(3), three equivalent Ge(2), and four equivalent Ge(1) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Ba(2), three equivalent Ba(1), one Ge(1), one Ge(2), and one Ge(3) atom. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Ba(1), three equivalent Ba(2), one Ge(3), and two equivalent Ge(1) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Ba(2), three equivalent Ba(1), one Ge(2), and two equivalent Ge(1) atoms.
BaGe2 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 11-coordinate geometry to two equivalent Ge(2), three equivalent Ge(3), and six equivalent Ge(1) atoms. There is one shorter (3.76 Å) and one longer (3.90 Å) Ba(1)-Ge(2) bond length. There are two shorter (3.51 Å) and one longer (3.59 Å) Ba(1)-Ge(3) bond length. There are a spread of Ba(1)-Ge(1) bond distances ranging from 3.50-3.59 Å. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to two equivalent Ge(3), three equivalent Ge(2), and four equivalent Ge(1) atoms. There is one shorter (3.43 Å) and one longer (3.58 Å) Ba(2)-Ge(3) bond length. There is one shorter (3.43 Å) and two longer (3.68 Å) Ba(2)-Ge(2) bond lengths. There are two shorter (3.44 Å) and two longer (3.49 Å) Ba(2)-Ge(1) bond lengths. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Ba(2), three equivalent Ba(1), one Ge(1), one Ge(2), and one Ge(3) atom. The Ge(1)-Ge(1) bond length is 2.54 Å. The Ge(1)-Ge(2) bond length is 2.55 Å. The Ge(1)-Ge(3) bond length is 2.54 Å. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Ba(1), three equivalent Ba(2), one Ge(3), and two equivalent Ge(1) atoms. The Ge(2)-Ge(3) bond length is 2.58 Å. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Ba(2), three equivalent Ba(1), one Ge(2), and two equivalent Ge(1) atoms.