Cs5GeP3 crystallizes in the orthorhombic Pnma space group. There are five inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 3-coordinate geometry to two equivalent P(3) and three equivalent P(2) atoms. In the second Cs site, Cs(2) is bonded to one P(1), one P(3), and two equivalent P(2) atoms to form distorted corner-sharing CsP4 tetrahedra. In the third Cs site, Cs(3) is bonded in a 5-coordinate geometry to two equivalent P(2) and three equivalent P(1) atoms. In the fourth Cs site, Cs(4) is bonded in a 3-coordinate geometry to one P(2), two equivalent P(1), and two equivalent P(3) atoms. In the fifth Cs site, Cs(5) is bonded in a 4-coordinate geometry to one P(2) and three equivalent P(1) atoms. Ge(1) is bonded in a trigonal planar geometry to one P(1), one P(2), and one P(3) atom. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 6-coordinate geometry to one Cs(2), two equivalent Cs(1), two equivalent Cs(4), and one Ge(1) atom. In the second P site, P(1) is bonded in a 10-coordinate geometry to one Cs(2), two equivalent Cs(4), three equivalent Cs(3), three equivalent Cs(5), and one Ge(1) atom. In the third P site, P(2) is bonded in a 10-coordinate geometry to one Cs(4), one Cs(5), two equivalent Cs(2), two equivalent Cs(3), three equivalent Cs(1), and one Ge(1) atom.
Cs5GeP3 crystallizes in the orthorhombic Pnma space group. There are five inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 3-coordinate geometry to two equivalent P(3) and three equivalent P(2) atoms. Both Cs(1)-P(3) bond lengths are 3.73 Å. There is one shorter (3.68 Å) and two longer (4.04 Å) Cs(1)-P(2) bond lengths. In the second Cs site, Cs(2) is bonded to one P(1), one P(3), and two equivalent P(2) atoms to form distorted corner-sharing CsP4 tetrahedra. The Cs(2)-P(1) bond length is 3.56 Å. The Cs(2)-P(3) bond length is 3.63 Å. Both Cs(2)-P(2) bond lengths are 3.68 Å. In the third Cs site, Cs(3) is bonded in a 5-coordinate geometry to two equivalent P(2) and three equivalent P(1) atoms. Both Cs(3)-P(2) bond lengths are 3.80 Å. There is one shorter (3.66 Å) and two longer (3.74 Å) Cs(3)-P(1) bond lengths. In the fourth Cs site, Cs(4) is bonded in a 3-coordinate geometry to one P(2), two equivalent P(1), and two equivalent P(3) atoms. The Cs(4)-P(2) bond length is 3.53 Å. Both Cs(4)-P(1) bond lengths are 3.96 Å. Both Cs(4)-P(3) bond lengths are 3.65 Å. In the fifth Cs site, Cs(5) is bonded in a 4-coordinate geometry to one P(2) and three equivalent P(1) atoms. The Cs(5)-P(2) bond length is 3.94 Å. All Cs(5)-P(1) bond lengths are 3.83 Å. Ge(1) is bonded in a trigonal planar geometry to one P(1), one P(2), and one P(3) atom. The Ge(1)-P(1) bond length is 2.27 Å. The Ge(1)-P(2) bond length is 2.27 Å. The Ge(1)-P(3) bond length is 2.27 Å. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 6-coordinate geometry to one Cs(2), two equivalent Cs(1), two equivalent Cs(4), and one Ge(1) atom. In the second P site, P(1) is bonded in a 10-coordinate geometry to one Cs(2), two equivalent Cs(4), three equivalent Cs(3), three equivalent Cs(5), and one Ge(1) atom. In the third P site, P(2) is bonded in a 10-coordinate geometry to one Cs(4), one Cs(5), two equivalent Cs(2), two equivalent Cs(3), three equivalent Cs(1), and one Ge(1) atom.