Rb3P3O10 crystallizes in the triclinic P-1 space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(8), and two equivalent O(7) atoms. In the second Rb site, Rb(2) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(10), and two equivalent O(9) atoms. In the third Rb site, Rb(3) is bonded in a 7-coordinate geometry to one O(10), one O(4), one O(5), one O(7), one O(9), and two equivalent O(6) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(8), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(1), one O(3), one O(7), and one O(8) atom to form corner-sharing PO4 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one P(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(2), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), one Rb(3), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Rb(3) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(1), and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(1), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(2), and one P(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Rb(3) and two equivalent Rb(2) atoms.
Rb3P3O10 crystallizes in the triclinic P-1 space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(8), and two equivalent O(7) atoms. The Rb(1)-O(1) bond length is 3.14 Å. The Rb(1)-O(3) bond length is 3.05 Å. The Rb(1)-O(4) bond length is 2.89 Å. The Rb(1)-O(5) bond length is 3.03 Å. The Rb(1)-O(8) bond length is 3.04 Å. There is one shorter (2.96 Å) and one longer (3.08 Å) Rb(1)-O(7) bond length. In the second Rb site, Rb(2) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(10), and two equivalent O(9) atoms. The Rb(2)-O(1) bond length is 2.87 Å. The Rb(2)-O(5) bond length is 2.96 Å. There is one shorter (3.02 Å) and one longer (3.20 Å) Rb(2)-O(10) bond length. There is one shorter (3.02 Å) and one longer (3.21 Å) Rb(2)-O(9) bond length. In the third Rb site, Rb(3) is bonded in a 7-coordinate geometry to one O(10), one O(4), one O(5), one O(7), one O(9), and two equivalent O(6) atoms. The Rb(3)-O(10) bond length is 3.09 Å. The Rb(3)-O(4) bond length is 3.03 Å. The Rb(3)-O(5) bond length is 2.92 Å. The Rb(3)-O(7) bond length is 2.94 Å. The Rb(3)-O(9) bond length is 3.10 Å. There is one shorter (2.93 Å) and one longer (3.02 Å) Rb(3)-O(6) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(8), and one O(9) atom to form corner-sharing PO4 tetrahedra. The P(1)-O(2) bond length is 1.65 Å. The P(1)-O(4) bond length is 1.50 Å. The P(1)-O(8) bond length is 1.63 Å. The P(1)-O(9) bond length is 1.49 Å. In the second P site, P(2) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form corner-sharing PO4 tetrahedra. The P(2)-O(2) bond length is 1.63 Å. The P(2)-O(3) bond length is 1.63 Å. The P(2)-O(5) bond length is 1.50 Å. The P(2)-O(6) bond length is 1.51 Å. In the third P site, P(3) is bonded to one O(1), one O(3), one O(7), and one O(8) atom to form corner-sharing PO4 tetrahedra. The P(3)-O(1) bond length is 1.49 Å. The P(3)-O(3) bond length is 1.65 Å. The P(3)-O(7) bond length is 1.49 Å. The P(3)-O(8) bond length is 1.65 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one P(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(2), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), one Rb(3), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Rb(3) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(1), and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(1), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(2), and one P(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Rb(3) and two equivalent Rb(2) atoms.