Mo3Ag(PO7)2 crystallizes in the monoclinic P2_1/m space group. There are three inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(10), one O(5), one O(6), one O(9), and two equivalent O(7) atoms to form distorted MoO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one Mo(2)O6 octahedra. In the second Mo site, Mo(2) is bonded to one O(10), one O(11), one O(8), one O(9), and two equivalent O(4) atoms to form distorted MoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Mo(3)O5 trigonal bipyramid, and  an edgeedge with one Mo(1)O6 octahedra. In the third Mo site, Mo(3) is bonded to one O(1), one O(2), one O(8), and two equivalent O(3) atoms to form MoO5 trigonal bipyramids that share  a cornercorner with one Mo(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 20°. Ag(1) is bonded in a 6-coordinate geometry to one O(11), one O(5), two equivalent O(3), and two equivalent O(4) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(2), and two equivalent O(7) atoms to form PO4 tetrahedra that share  a cornercorner with one Mo(2)O6 octahedra, corners with three equivalent Mo(1)O6 octahedra, and  a cornercorner with one Mo(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 42-48°. In the second P site, P(2) is bonded to one O(1), one O(6), and two equivalent O(4) atoms to form PO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one Mo(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-35°. There are eleven inequivalent O sites. In the first O site, O(8) is bonded in a bent 150 degrees geometry to one Mo(2) and one Mo(3) atom. In the second O site, O(9) is bonded in a bent 120 degrees geometry to one Mo(1) and one Mo(2) atom. In the third O site, O(10) is bonded in a distorted single-bond geometry to one Mo(1), one Mo(2), and one P(1) atom. In the fourth O site, O(11) is bonded in a distorted single-bond geometry to one Mo(2) and one Ag(1) atom. In the fifth O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Mo(3) and one P(2) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Mo(3) and one P(1) atom. In the seventh O site, O(3) is bonded in a bent 150 degrees geometry to one Mo(3) and one Ag(1) atom. In the eighth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Mo(2), one Ag(1), and one P(2) atom. In the ninth O site, O(5) is bonded in a bent 150 degrees geometry to one Mo(1) and one Ag(1) atom. In the tenth O site, O(6) is bonded in a linear geometry to one Mo(1) and one P(2) atom. In the eleventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Mo(1) and one P(1) atom.
Mo3Ag(PO7)2 crystallizes in the monoclinic P2_1/m space group. There are three inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(10), one O(5), one O(6), one O(9), and two equivalent O(7) atoms to form distorted MoO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one Mo(2)O6 octahedra. The Mo(1)-O(10) bond length is 2.34 Å. The Mo(1)-O(5) bond length is 1.72 Å. The Mo(1)-O(6) bond length is 2.06 Å. The Mo(1)-O(9) bond length is 2.00 Å. Both Mo(1)-O(7) bond lengths are 2.04 Å. In the second Mo site, Mo(2) is bonded to one O(10), one O(11), one O(8), one O(9), and two equivalent O(4) atoms to form distorted MoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Mo(3)O5 trigonal bipyramid, and  an edgeedge with one Mo(1)O6 octahedra. The Mo(2)-O(10) bond length is 2.35 Å. The Mo(2)-O(11) bond length is 1.71 Å. The Mo(2)-O(8) bond length is 1.90 Å. The Mo(2)-O(9) bond length is 1.88 Å. Both Mo(2)-O(4) bond lengths are 2.04 Å. In the third Mo site, Mo(3) is bonded to one O(1), one O(2), one O(8), and two equivalent O(3) atoms to form MoO5 trigonal bipyramids that share  a cornercorner with one Mo(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 20°. The Mo(3)-O(1) bond length is 2.05 Å. The Mo(3)-O(2) bond length is 2.00 Å. The Mo(3)-O(8) bond length is 1.97 Å. Both Mo(3)-O(3) bond lengths are 1.74 Å. Ag(1) is bonded in a 6-coordinate geometry to one O(11), one O(5), two equivalent O(3), and two equivalent O(4) atoms. The Ag(1)-O(11) bond length is 2.65 Å. The Ag(1)-O(5) bond length is 2.46 Å. Both Ag(1)-O(3) bond lengths are 2.37 Å. Both Ag(1)-O(4) bond lengths are 2.82 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(2), and two equivalent O(7) atoms to form PO4 tetrahedra that share  a cornercorner with one Mo(2)O6 octahedra, corners with three equivalent Mo(1)O6 octahedra, and  a cornercorner with one Mo(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 42-48°. The P(1)-O(10) bond length is 1.55 Å. The P(1)-O(2) bond length is 1.54 Å. Both P(1)-O(7) bond lengths are 1.54 Å. In the second P site, P(2) is bonded to one O(1), one O(6), and two equivalent O(4) atoms to form PO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one Mo(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-35°. The P(2)-O(1) bond length is 1.55 Å. The P(2)-O(6) bond length is 1.53 Å. Both P(2)-O(4) bond lengths are 1.55 Å. There are eleven inequivalent O sites. In the first O site, O(8) is bonded in a bent 150 degrees geometry to one Mo(2) and one Mo(3) atom. In the second O site, O(9) is bonded in a bent 120 degrees geometry to one Mo(1) and one Mo(2) atom. In the third O site, O(10) is bonded in a distorted single-bond geometry to one Mo(1), one Mo(2), and one P(1) atom. In the fourth O site, O(11) is bonded in a distorted single-bond geometry to one Mo(2) and one Ag(1) atom. In the fifth O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Mo(3) and one P(2) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Mo(3) and one P(1) atom. In the seventh O site, O(3) is bonded in a bent 150 degrees geometry to one Mo(3) and one Ag(1) atom. In the eighth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Mo(2), one Ag(1), and one P(2) atom. In the ninth O site, O(5) is bonded in a bent 150 degrees geometry to one Mo(1) and one Ag(1) atom. In the tenth O site, O(6) is bonded in a linear geometry to one Mo(1) and one P(2) atom. In the eleventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Mo(1) and one P(1) atom.