Ba2GaP4HO14 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(2), and two equivalent O(6) atoms. Ga(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(7) atoms to form GaO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra and corners with four equivalent P(1)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Ga(1)O6 octahedra and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the second P site, P(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ga(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. H(1) is bonded in a linear geometry to two equivalent O(5) atoms. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ba(1), one Ga(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(2), and one H(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one P(2) atom.
Ba2GaP4HO14 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(2), and two equivalent O(6) atoms. The Ba(1)-O(1) bond length is 2.83 Å. The Ba(1)-O(5) bond length is 2.78 Å. There is one shorter (2.77 Å) and one longer (2.81 Å) Ba(1)-O(2) bond length. There is one shorter (2.70 Å) and one longer (2.88 Å) Ba(1)-O(6) bond length. Ga(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(7) atoms to form GaO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra and corners with four equivalent P(1)O4 tetrahedra. Both Ga(1)-O(1) bond lengths are 2.00 Å. Both Ga(1)-O(4) bond lengths are 1.98 Å. Both Ga(1)-O(7) bond lengths are 2.02 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Ga(1)O6 octahedra and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.62 Å. The P(1)-O(4) bond length is 1.53 Å. The P(1)-O(6) bond length is 1.52 Å. In the second P site, P(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ga(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. The P(2)-O(2) bond length is 1.52 Å. The P(2)-O(3) bond length is 1.63 Å. The P(2)-O(5) bond length is 1.55 Å. The P(2)-O(7) bond length is 1.55 Å. H(1) is bonded in a linear geometry to two equivalent O(5) atoms. Both H(1)-O(5) bond lengths are 1.22 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ba(1), one Ga(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(2), and one H(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one P(2) atom.