KScBP2HO9 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 10-coordinate geometry to one O(3), one O(5), one O(6), one O(9), two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms. Sc(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form ScO6 octahedra that share  a cornercorner with one B(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with three equivalent P(1)O4 tetrahedra. B(1) is bonded to one O(2), one O(5), one O(7), and one O(9) atom to form BO4 tetrahedra that share  a cornercorner with one Sc(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with three equivalent Sc(1)O6 octahedra and  a cornercorner with one B(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-46°. In the second P site, P(2) is bonded to one O(1), one O(4), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Sc(1)O6 octahedra and corners with two equivalent B(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-54°. H(1) is bonded in a single-bond geometry to one O(2) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to two equivalent K(1), one Sc(1), and one P(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Sc(1), one B(1), and one H(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one K(1), one Sc(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent K(1), one Sc(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one K(1), one B(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one K(1), one Sc(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one B(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to two equivalent K(1), one Sc(1), and one P(1) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one K(1), one B(1), and one P(2) atom.
KScBP2HO9 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 10-coordinate geometry to one O(3), one O(5), one O(6), one O(9), two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms. The K(1)-O(3) bond length is 3.15 Å. The K(1)-O(5) bond length is 2.98 Å. The K(1)-O(6) bond length is 3.19 Å. The K(1)-O(9) bond length is 2.87 Å. There is one shorter (2.99 Å) and one longer (3.02 Å) K(1)-O(1) bond length. There is one shorter (2.88 Å) and one longer (3.05 Å) K(1)-O(4) bond length. There is one shorter (2.92 Å) and one longer (3.07 Å) K(1)-O(8) bond length. Sc(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form ScO6 octahedra that share  a cornercorner with one B(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with three equivalent P(1)O4 tetrahedra. The Sc(1)-O(1) bond length is 2.11 Å. The Sc(1)-O(2) bond length is 2.18 Å. The Sc(1)-O(3) bond length is 2.11 Å. The Sc(1)-O(4) bond length is 2.15 Å. The Sc(1)-O(6) bond length is 2.08 Å. The Sc(1)-O(8) bond length is 2.07 Å. B(1) is bonded to one O(2), one O(5), one O(7), and one O(9) atom to form BO4 tetrahedra that share  a cornercorner with one Sc(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. The B(1)-O(2) bond length is 1.48 Å. The B(1)-O(5) bond length is 1.47 Å. The B(1)-O(7) bond length is 1.46 Å. The B(1)-O(9) bond length is 1.50 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with three equivalent Sc(1)O6 octahedra and  a cornercorner with one B(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-46°. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(5) bond length is 1.58 Å. The P(1)-O(6) bond length is 1.53 Å. The P(1)-O(8) bond length is 1.55 Å. In the second P site, P(2) is bonded to one O(1), one O(4), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Sc(1)O6 octahedra and corners with two equivalent B(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-54°. The P(2)-O(1) bond length is 1.53 Å. The P(2)-O(4) bond length is 1.54 Å. The P(2)-O(7) bond length is 1.57 Å. The P(2)-O(9) bond length is 1.57 Å. H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.98 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to two equivalent K(1), one Sc(1), and one P(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Sc(1), one B(1), and one H(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one K(1), one Sc(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent K(1), one Sc(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one K(1), one B(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one K(1), one Sc(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one B(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to two equivalent K(1), one Sc(1), and one P(1) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one K(1), one B(1), and one P(2) atom.