RbMnHP3O10 crystallizes in the monoclinic C2 space group. Rb(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-52°. In the second P site, P(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-47°. In the third P site, P(3) is bonded to one O(10), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-50°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to two equivalent O(10) atoms. In the second H site, H(2) is bonded in a linear geometry to two equivalent O(1) atoms. There are ten inequivalent O sites. In the first O site, O(5) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(2), and one P(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Rb(1), one Mn(1), and one P(1) atom. In the third O site, O(7) is bonded in a bent 120 degrees geometry to one Rb(1), one P(1), and one P(3) atom. In the fourth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Mn(1), and one P(3) atom. In the fifth O site, O(9) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(2), and one P(3) atom. In the sixth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(3), and one H(1) atom. In the seventh O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(2), and one H(2) atom. In the eighth O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the ninth O site, O(3) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(2), and one P(2) atom. In the tenth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom.
RbMnHP3O10 crystallizes in the monoclinic C2 space group. Rb(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. The Rb(1)-O(1) bond length is 3.03 Å. The Rb(1)-O(10) bond length is 2.98 Å. The Rb(1)-O(3) bond length is 3.11 Å. The Rb(1)-O(5) bond length is 3.08 Å. The Rb(1)-O(6) bond length is 2.95 Å. The Rb(1)-O(7) bond length is 3.43 Å. The Rb(1)-O(8) bond length is 3.23 Å. The Rb(1)-O(9) bond length is 3.12 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. Both Mn(1)-O(2) bond lengths are 1.92 Å. Both Mn(1)-O(6) bond lengths are 2.16 Å. Both Mn(1)-O(8) bond lengths are 1.93 Å. In the second Mn site, Mn(2) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. Both Mn(2)-O(3) bond lengths are 1.91 Å. Both Mn(2)-O(5) bond lengths are 2.21 Å. Both Mn(2)-O(9) bond lengths are 1.92 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-52°. The P(1)-O(4) bond length is 1.60 Å. The P(1)-O(5) bond length is 1.49 Å. The P(1)-O(6) bond length is 1.49 Å. The P(1)-O(7) bond length is 1.60 Å. In the second P site, P(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-47°. The P(2)-O(1) bond length is 1.52 Å. The P(2)-O(2) bond length is 1.50 Å. The P(2)-O(3) bond length is 1.52 Å. The P(2)-O(4) bond length is 1.61 Å. In the third P site, P(3) is bonded to one O(10), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-50°. The P(3)-O(10) bond length is 1.52 Å. The P(3)-O(7) bond length is 1.61 Å. The P(3)-O(8) bond length is 1.52 Å. The P(3)-O(9) bond length is 1.51 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to two equivalent O(10) atoms. Both H(1)-O(10) bond lengths are 1.20 Å. In the second H site, H(2) is bonded in a linear geometry to two equivalent O(1) atoms. Both H(2)-O(1) bond lengths are 1.20 Å. There are ten inequivalent O sites. In the first O site, O(5) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(2), and one P(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Rb(1), one Mn(1), and one P(1) atom. In the third O site, O(7) is bonded in a bent 120 degrees geometry to one Rb(1), one P(1), and one P(3) atom. In the fourth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Mn(1), and one P(3) atom. In the fifth O site, O(9) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(2), and one P(3) atom. In the sixth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(3), and one H(1) atom. In the seventh O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one P(2), and one H(2) atom. In the eighth O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the ninth O site, O(3) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(2), and one P(2) atom. In the tenth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom.