MnAg4(PO4)6 crystallizes in the triclinic P-1 space group. Mn(1) is bonded to two equivalent O(10), two equivalent O(11), and two equivalent O(12) atoms to form MnO6 octahedra that share corners with two equivalent Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles are 38°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one O(1), one O(2), one O(5), one O(6), and one O(9) atom to form AgO5 square pyramids that share  a cornercorner with one Ag(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles are 72°. In the second Ag site, Ag(2) is bonded to one O(1), one O(10), one O(6), one O(9), and two equivalent O(8) atoms to form distorted AgO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Ag(1)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(3)O4 tetrahedra,  an edgeedge with one Ag(2)O6 octahedra, and  an edgeedge with one Ag(1)O5 square pyramid. The corner-sharing octahedral tilt angles are 38°. 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 Ag(2)O6 octahedra, corners with two equivalent Ag(1)O5 square pyramids,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. In the second P site, P(2) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ag(2)O6 octahedra, corners with two equivalent Ag(1)O5 square pyramids,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 60°. In the third P site, P(3) is bonded to one O(4), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with three equivalent Ag(2)O6 octahedra,  a cornercorner with one Ag(1)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-60°. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a single-bond geometry to one Mn(1) atom. In the second O site, O(1) is bonded in a 3-coordinate geometry to one Ag(1), one Ag(2), and one P(1) atom. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Ag(1) and one P(1) atom. In the fourth O site, O(3) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fifth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one Ag(1) and one P(2) atom. In the seventh O site, O(6) is bonded in a 3-coordinate geometry to one Ag(1), one Ag(2), and one P(2) atom. In the eighth O site, O(7) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the ninth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent Ag(2) and one P(3) atom. In the tenth O site, O(9) is bonded in a distorted trigonal planar geometry to one Ag(1), one Ag(2), and one P(3) atom. In the eleventh O site, O(10) is bonded in a bent 150 degrees geometry to one Mn(1) and one Ag(2) atom. In the twelfth O site, O(11) is bonded in a single-bond geometry to one Mn(1) atom.
MnAg4(PO4)6 crystallizes in the triclinic P-1 space group. Mn(1) is bonded to two equivalent O(10), two equivalent O(11), and two equivalent O(12) atoms to form MnO6 octahedra that share corners with two equivalent Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles are 38°. Both Mn(1)-O(10) bond lengths are 1.88 Å. Both Mn(1)-O(11) bond lengths are 1.87 Å. Both Mn(1)-O(12) bond lengths are 1.88 Å. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one O(1), one O(2), one O(5), one O(6), and one O(9) atom to form AgO5 square pyramids that share  a cornercorner with one Ag(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles are 72°. The Ag(1)-O(1) bond length is 2.28 Å. The Ag(1)-O(2) bond length is 2.23 Å. The Ag(1)-O(5) bond length is 2.47 Å. The Ag(1)-O(6) bond length is 2.26 Å. The Ag(1)-O(9) bond length is 2.29 Å. In the second Ag site, Ag(2) is bonded to one O(1), one O(10), one O(6), one O(9), and two equivalent O(8) atoms to form distorted AgO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Ag(1)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(3)O4 tetrahedra,  an edgeedge with one Ag(2)O6 octahedra, and  an edgeedge with one Ag(1)O5 square pyramid. The corner-sharing octahedral tilt angles are 38°. The Ag(2)-O(1) bond length is 2.51 Å. The Ag(2)-O(10) bond length is 2.15 Å. The Ag(2)-O(6) bond length is 2.66 Å. The Ag(2)-O(9) bond length is 2.39 Å. There is one shorter (2.30 Å) and one longer (2.48 Å) Ag(2)-O(8) 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 PO4 tetrahedra that share  a cornercorner with one Ag(2)O6 octahedra, corners with two equivalent Ag(1)O5 square pyramids,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.50 Å. The P(1)-O(3) bond length is 1.60 Å. The P(1)-O(4) bond length is 1.63 Å. In the second P site, P(2) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ag(2)O6 octahedra, corners with two equivalent Ag(1)O5 square pyramids,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 60°. The P(2)-O(3) bond length is 1.65 Å. The P(2)-O(5) bond length is 1.48 Å. The P(2)-O(6) bond length is 1.53 Å. The P(2)-O(7) bond length is 1.64 Å. In the third P site, P(3) is bonded to one O(4), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with three equivalent Ag(2)O6 octahedra,  a cornercorner with one Ag(1)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-60°. The P(3)-O(4) bond length is 1.62 Å. The P(3)-O(7) bond length is 1.61 Å. The P(3)-O(8) bond length is 1.50 Å. The P(3)-O(9) bond length is 1.52 Å. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a single-bond geometry to one Mn(1) atom. In the second O site, O(1) is bonded in a 3-coordinate geometry to one Ag(1), one Ag(2), and one P(1) atom. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Ag(1) and one P(1) atom. In the fourth O site, O(3) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fifth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one Ag(1) and one P(2) atom. In the seventh O site, O(6) is bonded in a 3-coordinate geometry to one Ag(1), one Ag(2), and one P(2) atom. In the eighth O site, O(7) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the ninth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent Ag(2) and one P(3) atom. In the tenth O site, O(9) is bonded in a distorted trigonal planar geometry to one Ag(1), one Ag(2), and one P(3) atom. In the eleventh O site, O(10) is bonded in a bent 150 degrees geometry to one Mn(1) and one Ag(2) atom. In the twelfth O site, O(11) is bonded in a single-bond geometry to one Mn(1) atom.