MnGa(PO4)2 crystallizes in the orthorhombic C222_1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(12), one O(3), one O(4), and one O(7) atom to form MnO4 trigonal pyramids that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Mn(1)-O(12) bond length is 2.07 Å. The Mn(1)-O(3) bond length is 2.06 Å. The Mn(1)-O(4) bond length is 2.08 Å. The Mn(1)-O(7) bond length is 2.08 Å. In the second Mn site, Mn(2) is bonded to two equivalent O(11) and two equivalent O(8) atoms to form MnO4 trigonal pyramids that share corners with two equivalent P(2)O4 tetrahedra and corners with two equivalent P(3)O4 tetrahedra. Both Mn(2)-O(11) bond lengths are 2.08 Å. Both Mn(2)-O(8) bond lengths are 2.05 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(1), one O(10), one O(5), and one O(6) 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 1.81 Å. The Ga(1)-O(10) bond length is 1.84 Å. The Ga(1)-O(5) bond length is 1.80 Å. The Ga(1)-O(6) bond length is 1.83 Å. In the second Ga site, Ga(2) is bonded to two equivalent O(2) and two equivalent O(9) atoms to form GaO4 tetrahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(3)O4 tetrahedra. Both Ga(2)-O(2) bond lengths are 1.84 Å. Both Ga(2)-O(9) bond lengths are 1.79 Å. 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 PO4 tetrahedra that share  a cornercorner with one Ga(1)O4 tetrahedra,  a cornercorner with one Ga(2)O4 tetrahedra, and corners with two equivalent Mn(1)O4 trigonal pyramids. The P(1)-O(1) bond length is 1.56 Å. The P(1)-O(2) bond length is 1.55 Å. The P(1)-O(3) bond length is 1.52 Å. The P(1)-O(4) bond length is 1.50 Å. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Ga(1)O4 tetrahedra,  a cornercorner with one Mn(1)O4 trigonal pyramid, and  a cornercorner with one Mn(2)O4 trigonal pyramid. The P(2)-O(5) bond length is 1.58 Å. The P(2)-O(6) bond length is 1.55 Å. The P(2)-O(7) bond length is 1.51 Å. The P(2)-O(8) bond length is 1.50 Å. In the third P site, P(3) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Ga(1)O4 tetrahedra,  a cornercorner with one Ga(2)O4 tetrahedra,  a cornercorner with one Mn(1)O4 trigonal pyramid, and  a cornercorner with one Mn(2)O4 trigonal pyramid. The P(3)-O(10) 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 1.49 Å. The P(3)-O(9) bond length is 1.57 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Ga(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ga(2) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted 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 Ga(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Ga(1) and one P(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(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Ga(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Ga(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(3) atom. Linkers: 24 [O]P([O])([O])=O. Metal clusters: 12 [Mn] ,12 [Ga]. The MOF has largest included sphere 4.41 A, density 2.17 g/cm3, surface area 2428.95 m2/g, accessible volume 0.15 cm3/g