MnGaP3(HO6)2 crystallizes in the monoclinic P2_1/c space group. Mn(1) is bonded to one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. The Mn(1)-O(11) bond length is 2.11 Å. The Mn(1)-O(4) bond length is 2.11 Å. The Mn(1)-O(5) bond length is 2.22 Å. The Mn(1)-O(7) bond length is 2.15 Å. The Mn(1)-O(9) bond length is 2.06 Å. Ga(1) is bonded to one O(1), one O(10), one O(2), and one O(3) atom to form GaO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The Ga(1)-O(1) bond length is 1.80 Å. The Ga(1)-O(10) bond length is 1.81 Å. The Ga(1)-O(2) bond length is 1.83 Å. The Ga(1)-O(3) bond length is 1.82 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Ga(1)O4 tetrahedra and corners with two equivalent Mn(1)O5 trigonal bipyramids. The P(1)-O(2) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.48 Å. The P(1)-O(5) bond length is 1.51 Å. The P(1)-O(6) bond length is 1.58 Å. In the second P site, P(2) is bonded to one O(10), one O(3), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Ga(1)O4 tetrahedra and  a cornercorner with one Mn(1)O5 trigonal bipyramid. The P(2)-O(10) bond length is 1.54 Å. The P(2)-O(3) bond length is 1.56 Å. The P(2)-O(8) bond length is 1.53 Å. The P(2)-O(9) bond length is 1.48 Å. In the third P site, P(3) is bonded to one O(1), one O(11), one O(12), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ga(1)O4 tetrahedra and corners with two equivalent Mn(1)O5 trigonal bipyramids. The P(3)-O(1) bond length is 1.56 Å. The P(3)-O(11) bond length is 1.50 Å. The P(3)-O(12) bond length is 1.59 Å. The P(3)-O(7) bond length is 1.50 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(12) atom. The H(1)-O(12) bond length is 0.92 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 0.97 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one P(3) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Ga(1) and one P(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ga(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(1) and one H(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one P(2) atom. In the ninth O site, O(9) is bonded in a linear geometry to one Mn(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Ga(1) and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one P(3) and one H(1) atom. Linkers: 8 [O]P([O])(=O)O ,4 [O]P([O])([O])=O. Metal clusters: 4 [Mn] ,4 [Ga]. The MOF has largest included sphere 5.03 A, density 1.81 g/cm3, surface area 2688.47 m2/g, accessible volume 0.27 cm3/g