KSmHP3O10 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. Sm(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), one O(8), one O(9), two equivalent O(2), and two equivalent O(3) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form corner-sharing PO4 tetrahedra. 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 corner-sharing PO4 tetrahedra. H(1) is bonded in a linear geometry to one O(1) and one O(10) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one K(1), one P(1), and one H(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sm(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), two equivalent Sm(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one Sm(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one K(1), one Sm(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one K(1), one P(2), and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one K(1), one Sm(1), and one P(3) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one K(1), one Sm(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one P(3) and one H(1) atom.
KSmHP3O10 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. The K(1)-O(1) bond length is 2.74 Å. The K(1)-O(3) bond length is 3.10 Å. The K(1)-O(5) bond length is 2.95 Å. The K(1)-O(6) bond length is 3.19 Å. The K(1)-O(7) bond length is 3.10 Å. The K(1)-O(8) bond length is 2.88 Å. The K(1)-O(9) bond length is 2.99 Å. Sm(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), one O(8), one O(9), two equivalent O(2), and two equivalent O(3) atoms. The Sm(1)-O(5) bond length is 2.43 Å. The Sm(1)-O(6) bond length is 2.37 Å. The Sm(1)-O(8) bond length is 2.41 Å. The Sm(1)-O(9) bond length is 2.39 Å. There is one shorter (2.39 Å) and one longer (2.61 Å) Sm(1)-O(2) bond length. There is one shorter (2.48 Å) and one longer (2.51 Å) Sm(1)-O(3) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form corner-sharing PO4 tetrahedra. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.64 Å. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form corner-sharing PO4 tetrahedra. The P(2)-O(4) bond length is 1.61 Å. The P(2)-O(5) bond length is 1.50 Å. The P(2)-O(6) bond length is 1.51 Å. The P(2)-O(7) 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 corner-sharing PO4 tetrahedra. The P(3)-O(10) bond length is 1.57 Å. The P(3)-O(7) bond length is 1.64 Å. The P(3)-O(8) bond length is 1.51 Å. The P(3)-O(9) bond length is 1.52 Å. H(1) is bonded in a linear geometry to one O(1) and one O(10) atom. The H(1)-O(1) bond length is 1.55 Å. The H(1)-O(10) bond length is 1.03 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one K(1), one P(1), and one H(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sm(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), two equivalent Sm(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one Sm(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one K(1), one Sm(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one K(1), one P(2), and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one K(1), one Sm(1), and one P(3) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one K(1), one Sm(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one P(3) and one H(1) atom.