Na3Co6Ag(P2O7)4 crystallizes in the triclinic P1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one O(11), one O(18), one O(2), one O(20), one O(22), one O(28), and one O(8) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(17), one O(18), one O(20), one O(7), and one O(8) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(17), one O(18), one O(19), one O(7), and one O(8) atom. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(15), one O(25), one O(3), one O(6), and one O(9) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and edges with two equivalent Co(5)O6 octahedra. In the second Co site, Co(2) is bonded to one O(10), one O(16), one O(26), one O(4), and one O(5) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and edges with two equivalent Co(6)O6 octahedra. In the third Co site, Co(3) is bonded to one O(17), one O(19), one O(21), one O(23), one O(27), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, corners with two equivalent P(7)O4 tetrahedra, and  an edgeedge with one Co(5)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(18), one O(20), one O(22), one O(24), one O(28), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(6)O4 tetrahedra, corners with two equivalent P(8)O4 tetrahedra, and  an edgeedge with one Co(6)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(15), one O(23), one O(27), one O(3), one O(6), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, corners with two equivalent P(7)O4 tetrahedra,  an edgeedge with one Co(3)O6 octahedra, and edges with two equivalent Co(1)O5 trigonal bipyramids. In the sixth Co site, Co(6) is bonded to one O(10), one O(16), one O(24), one O(28), one O(4), and one O(5) atom to form distorted CoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(6)O4 tetrahedra, corners with two equivalent P(8)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra, and edges with two equivalent Co(2)O5 trigonal bipyramids. Ag(1) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(17), one O(19), one O(21), and one O(27) atom. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(11), one O(17), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Co(3)O6 octahedra and  a cornercorner with one P(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-50°. In the second P site, P(2) is bonded to one O(12), one O(18), one O(2), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Co(4)O6 octahedra and  a cornercorner with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-51°. In the third P site, P(3) is bonded to one O(13), one O(25), one O(3), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and corners with two equivalent Co(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. In the fourth P site, P(4) is bonded to one O(14), one O(26), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and corners with two equivalent Co(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. In the fifth P site, P(5) is bonded to one O(13), one O(21), one O(23), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one Co(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 19-55°. In the sixth P site, P(6) is bonded to one O(10), one O(14), one O(22), and one O(24) atom to form PO4 tetrahedra that share corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(6)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 20-55°. In the seventh P site, P(7) is bonded to one O(1), one O(15), one O(19), and one O(27) atom to form PO4 tetrahedra that share corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one Co(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-59°. In the eighth P site, P(8) is bonded to one O(16), one O(2), one O(20), and one O(28) atom to form PO4 tetrahedra that share corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(6)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 44-60°. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Ag(1), one P(1), and one P(7) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one P(2), and one P(8) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(5), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(6), and one P(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(6), and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(5), and one P(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), one Co(3), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), one Na(3), one Co(4), and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Co(1), one Co(5), and one P(5) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Co(2), one Co(6), and one P(6) atom. In the eleventh O site, O(11) is bonded to one Na(1), one Na(2), one Na(3), and one P(1) atom to form distorted edge-sharing ONa3P trigonal pyramids. In the twelfth O site, O(12) is bonded to one Na(2), one Na(3), one Ag(1), and one P(2) atom to form distorted edge-sharing ONa2AgP trigonal pyramids. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one P(3) and one P(5) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one P(4) and one P(6) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(5), and one P(7) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(6), and one P(8) atom. In the seventeenth O site, O(17) is bonded in a 5-coordinate geometry to one Na(2), one Na(3), one Co(3), one Ag(1), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(3), one Co(4), and one P(2) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Na(3), one Co(3), one Ag(1), and one P(7) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Co(4), and one P(8) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Co(3), one Ag(1), and one P(5) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Na(1), one Co(4), and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted trigonal planar geometry to one Co(3), one Co(5), and one P(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Co(4), one Co(6), and one P(6) atom. In the twenty-fifth O site, O(25) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one Co(2) and one P(4) atom. In the twenty-seventh O site, O(27) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Ag(1), and one P(7) atom. In the twenty-eighth O site, O(28) is bonded in a 4-coordinate geometry to one Na(1), one Co(4), one Co(6), and one P(8) atom.
Na3Co6Ag(P2O7)4 crystallizes in the triclinic P1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one O(11), one O(18), one O(2), one O(20), one O(22), one O(28), and one O(8) atom. The Na(1)-O(11) bond length is 2.38 Å. The Na(1)-O(18) bond length is 2.46 Å. The Na(1)-O(2) bond length is 2.71 Å. The Na(1)-O(20) bond length is 2.42 Å. The Na(1)-O(22) bond length is 2.65 Å. The Na(1)-O(28) bond length is 2.73 Å. The Na(1)-O(8) bond length is 2.88 Å. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(17), one O(18), one O(20), one O(7), and one O(8) atom. The Na(2)-O(11) bond length is 2.49 Å. The Na(2)-O(12) bond length is 2.47 Å. The Na(2)-O(17) bond length is 2.60 Å. The Na(2)-O(18) bond length is 2.76 Å. The Na(2)-O(20) bond length is 2.55 Å. The Na(2)-O(7) bond length is 2.41 Å. The Na(2)-O(8) bond length is 2.89 Å. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(17), one O(18), one O(19), one O(7), and one O(8) atom. The Na(3)-O(11) bond length is 2.50 Å. The Na(3)-O(12) bond length is 2.50 Å. The Na(3)-O(17) bond length is 2.75 Å. The Na(3)-O(18) bond length is 2.64 Å. The Na(3)-O(19) bond length is 2.54 Å. The Na(3)-O(7) bond length is 2.89 Å. The Na(3)-O(8) bond length is 2.43 Å. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(15), one O(25), one O(3), one O(6), and one O(9) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and edges with two equivalent Co(5)O6 octahedra. The Co(1)-O(15) bond length is 2.08 Å. The Co(1)-O(25) bond length is 2.02 Å. The Co(1)-O(3) bond length is 2.10 Å. The Co(1)-O(6) bond length is 2.04 Å. The Co(1)-O(9) bond length is 2.14 Å. In the second Co site, Co(2) is bonded to one O(10), one O(16), one O(26), one O(4), and one O(5) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and edges with two equivalent Co(6)O6 octahedra. The Co(2)-O(10) bond length is 2.13 Å. The Co(2)-O(16) bond length is 2.09 Å. The Co(2)-O(26) bond length is 2.02 Å. The Co(2)-O(4) bond length is 2.10 Å. The Co(2)-O(5) bond length is 2.05 Å. In the third Co site, Co(3) is bonded to one O(17), one O(19), one O(21), one O(23), one O(27), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, corners with two equivalent P(7)O4 tetrahedra, and  an edgeedge with one Co(5)O6 octahedra. The Co(3)-O(17) bond length is 2.13 Å. The Co(3)-O(19) bond length is 2.09 Å. The Co(3)-O(21) bond length is 2.10 Å. The Co(3)-O(23) bond length is 2.14 Å. The Co(3)-O(27) bond length is 2.09 Å. The Co(3)-O(7) bond length is 2.21 Å. In the fourth Co site, Co(4) is bonded to one O(18), one O(20), one O(22), one O(24), one O(28), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(6)O4 tetrahedra, corners with two equivalent P(8)O4 tetrahedra, and  an edgeedge with one Co(6)O6 octahedra. The Co(4)-O(18) bond length is 2.13 Å. The Co(4)-O(20) bond length is 2.10 Å. The Co(4)-O(22) bond length is 2.10 Å. The Co(4)-O(24) bond length is 2.15 Å. The Co(4)-O(28) bond length is 2.09 Å. The Co(4)-O(8) bond length is 2.22 Å. In the fifth Co site, Co(5) is bonded to one O(15), one O(23), one O(27), one O(3), one O(6), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, corners with two equivalent P(7)O4 tetrahedra,  an edgeedge with one Co(3)O6 octahedra, and edges with two equivalent Co(1)O5 trigonal bipyramids. The Co(5)-O(15) bond length is 2.16 Å. The Co(5)-O(23) bond length is 2.08 Å. The Co(5)-O(27) bond length is 2.34 Å. The Co(5)-O(3) bond length is 2.09 Å. The Co(5)-O(6) bond length is 2.13 Å. The Co(5)-O(9) bond length is 2.10 Å. In the sixth Co site, Co(6) is bonded to one O(10), one O(16), one O(24), one O(28), one O(4), and one O(5) atom to form distorted CoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(6)O4 tetrahedra, corners with two equivalent P(8)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra, and edges with two equivalent Co(2)O5 trigonal bipyramids. The Co(6)-O(10) bond length is 2.09 Å. The Co(6)-O(16) bond length is 2.17 Å. The Co(6)-O(24) bond length is 2.09 Å. The Co(6)-O(28) bond length is 2.35 Å. The Co(6)-O(4) bond length is 2.09 Å. The Co(6)-O(5) bond length is 2.13 Å. Ag(1) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(17), one O(19), one O(21), and one O(27) atom. The Ag(1)-O(1) bond length is 2.70 Å. The Ag(1)-O(12) bond length is 2.41 Å. The Ag(1)-O(17) bond length is 2.48 Å. The Ag(1)-O(19) bond length is 2.45 Å. The Ag(1)-O(21) bond length is 2.68 Å. The Ag(1)-O(27) bond length is 2.76 Å. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(11), one O(17), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Co(3)O6 octahedra and  a cornercorner with one P(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-50°. The P(1)-O(1) bond length is 1.64 Å. The P(1)-O(11) bond length is 1.52 Å. The P(1)-O(17) bond length is 1.55 Å. The P(1)-O(7) bond length is 1.53 Å. In the second P site, P(2) is bonded to one O(12), one O(18), one O(2), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Co(4)O6 octahedra and  a cornercorner with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-51°. The P(2)-O(12) bond length is 1.53 Å. The P(2)-O(18) bond length is 1.54 Å. The P(2)-O(2) bond length is 1.64 Å. The P(2)-O(8) bond length is 1.53 Å. In the third P site, P(3) is bonded to one O(13), one O(25), one O(3), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and corners with two equivalent Co(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. The P(3)-O(13) bond length is 1.62 Å. The P(3)-O(25) bond length is 1.51 Å. The P(3)-O(3) bond length is 1.55 Å. The P(3)-O(5) bond length is 1.54 Å. In the fourth P site, P(4) is bonded to one O(14), one O(26), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and corners with two equivalent Co(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. The P(4)-O(14) bond length is 1.61 Å. The P(4)-O(26) bond length is 1.51 Å. The P(4)-O(4) bond length is 1.55 Å. The P(4)-O(6) bond length is 1.55 Å. In the fifth P site, P(5) is bonded to one O(13), one O(21), one O(23), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one Co(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 19-55°. The P(5)-O(13) bond length is 1.61 Å. The P(5)-O(21) bond length is 1.51 Å. The P(5)-O(23) bond length is 1.55 Å. The P(5)-O(9) bond length is 1.55 Å. In the sixth P site, P(6) is bonded to one O(10), one O(14), one O(22), and one O(24) atom to form PO4 tetrahedra that share corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(6)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 20-55°. The P(6)-O(10) bond length is 1.55 Å. The P(6)-O(14) bond length is 1.61 Å. The P(6)-O(22) bond length is 1.51 Å. The P(6)-O(24) bond length is 1.55 Å. In the seventh P site, P(7) is bonded to one O(1), one O(15), one O(19), and one O(27) atom to form PO4 tetrahedra that share corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one Co(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-59°. The P(7)-O(1) bond length is 1.61 Å. The P(7)-O(15) bond length is 1.53 Å. The P(7)-O(19) bond length is 1.54 Å. The P(7)-O(27) bond length is 1.54 Å. In the eighth P site, P(8) is bonded to one O(16), one O(2), one O(20), and one O(28) atom to form PO4 tetrahedra that share corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(6)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 44-60°. The P(8)-O(16) bond length is 1.53 Å. The P(8)-O(2) bond length is 1.61 Å. The P(8)-O(20) bond length is 1.54 Å. The P(8)-O(28) bond length is 1.55 Å. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Ag(1), one P(1), and one P(7) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one P(2), and one P(8) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(5), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(6), and one P(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(6), and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(5), and one P(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), one Co(3), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), one Na(3), one Co(4), and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Co(1), one Co(5), and one P(5) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Co(2), one Co(6), and one P(6) atom. In the eleventh O site, O(11) is bonded to one Na(1), one Na(2), one Na(3), and one P(1) atom to form distorted edge-sharing ONa3P trigonal pyramids. In the twelfth O site, O(12) is bonded to one Na(2), one Na(3), one Ag(1), and one P(2) atom to form distorted edge-sharing ONa2AgP trigonal pyramids. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one P(3) and one P(5) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one P(4) and one P(6) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(5), and one P(7) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(6), and one P(8) atom. In the seventeenth O site, O(17) is bonded in a 5-coordinate geometry to one Na(2), one Na(3), one Co(3), one Ag(1), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(3), one Co(4), and one P(2) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Na(3), one Co(3), one Ag(1), and one P(7) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Co(4), and one P(8) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Co(3), one Ag(1), and one P(5) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Na(1), one Co(4), and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted trigonal planar geometry to one Co(3), one Co(5), and one P(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Co(4), one Co(6), and one P(6) atom. In the twenty-fifth O site, O(25) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one Co(2) and one P(4) atom. In the twenty-seventh O site, O(27) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Ag(1), and one P(7) atom. In the twenty-eighth O site, O(28) is bonded in a 4-coordinate geometry to one Na(1), one Co(4), one Co(6), and one P(8) atom.