CoSb(PO4)2 crystallizes in the triclinic P1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(17), one O(2), one O(20), and one O(26) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 pentagonal pyramids,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. In the second Co site, Co(2) is bonded to one O(12), one O(22), one O(23), one O(32), and one O(4) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Sb(4)O6 pentagonal pyramids,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. In the third Co site, Co(3) is bonded to one O(1), one O(18), one O(19), one O(27), and one O(9) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 pentagonal pyramids,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. In the fourth Co site, Co(4) is bonded to one O(11), one O(21), one O(24), one O(29), and one O(3) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Sb(4)O6 pentagonal pyramids,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(14), one O(18), one O(20), one O(26), one O(27), and one O(5) atom to form distorted SbO6 pentagonal pyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent Co(1)O5 trigonal bipyramids, corners with two equivalent Co(3)O5 trigonal bipyramids, and  an edgeedge with one P(2)O4 tetrahedra. In the second Sb site, Sb(2) is bonded to one O(13), one O(17), one O(19), one O(25), one O(28), and one O(6) atom to form SbO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid, and  an edgeedge with one P(1)O4 tetrahedra. In the third Sb site, Sb(3) is bonded to one O(16), one O(22), one O(24), one O(30), one O(31), and one O(7) atom to form SbO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one P(4)O4 tetrahedra. In the fourth Sb site, Sb(4) is bonded to one O(15), one O(21), one O(23), one O(29), one O(32), and one O(8) atom to form distorted SbO6 pentagonal pyramids 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,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent Co(2)O5 trigonal bipyramids, corners with two equivalent Co(4)O5 trigonal bipyramids, and  an edgeedge with one P(3)O4 tetrahedra. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(17), one O(19), one O(4), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid, and  an edgeedge with one Sb(2)O6 octahedra. In the second P site, P(2) is bonded to one O(18), one O(20), one O(3), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Sb(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 38°. In the third P site, P(3) is bonded to one O(2), one O(21), one O(23), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Sb(4)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 38°. In the fourth P site, P(4) is bonded to one O(1), one O(22), one O(24), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Sb(3)O6 octahedra. In the fifth P site, P(5) is bonded to one O(10), one O(15), one O(25), and one O(27) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  a cornercorner with one Co(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 50°. In the sixth P site, P(6) is bonded to one O(16), one O(26), one O(28), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  a cornercorner with one Co(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 51-52°. In the seventh P site, P(7) is bonded to one O(12), one O(13), one O(29), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid, and  a cornercorner with one Co(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-52°. In the eighth P site, P(8) is bonded to one O(11), one O(14), one O(30), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid, and  a cornercorner with one Co(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 50°. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Co(4) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Sb(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Sb(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Sb(3) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Sb(4) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one P(6) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(1) and one P(5) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Co(4) and one P(8) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(7) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Sb(2) and one P(7) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Sb(1) and one P(8) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Sb(4) and one P(5) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Sb(3) and one P(6) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(2), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Co(3), one Sb(1), and one P(2) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(2), and one P(1) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(1), and one P(2) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(4), and one P(3) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), and one P(4) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Co(2), one Sb(4), and one P(3) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(3), and one P(4) atom. In the twenty-fifth O site, O(25) is bonded in a distorted bent 120 degrees geometry to one Sb(2) and one P(5) atom. In the twenty-sixth O site, O(26) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(6) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(1), and one P(5) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one Sb(2) and one P(6) atom. In the twenty-ninth O site, O(29) is bonded in a 3-coordinate geometry to one Co(4), one Sb(4), and one P(7) atom. In the thirtieth O site, O(30) is bonded in a distorted bent 120 degrees geometry to one Sb(3) and one P(8) atom. In the thirty-first O site, O(31) is bonded in a bent 120 degrees geometry to one Sb(3) and one P(7) atom. In the thirty-second O site, O(32) is bonded in a 3-coordinate geometry to one Co(2), one Sb(4), and one P(8) atom.
CoSb(PO4)2 crystallizes in the triclinic P1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(17), one O(2), one O(20), and one O(26) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 pentagonal pyramids,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. The Co(1)-O(10) bond length is 2.01 Å. The Co(1)-O(17) bond length is 2.16 Å. The Co(1)-O(2) bond length is 1.98 Å. The Co(1)-O(20) bond length is 2.17 Å. The Co(1)-O(26) bond length is 2.10 Å. In the second Co site, Co(2) is bonded to one O(12), one O(22), one O(23), one O(32), and one O(4) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Sb(4)O6 pentagonal pyramids,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. The Co(2)-O(12) bond length is 1.99 Å. The Co(2)-O(22) bond length is 2.21 Å. The Co(2)-O(23) bond length is 2.17 Å. The Co(2)-O(32) bond length is 2.10 Å. The Co(2)-O(4) bond length is 1.98 Å. In the third Co site, Co(3) is bonded to one O(1), one O(18), one O(19), one O(27), and one O(9) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 pentagonal pyramids,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. The Co(3)-O(1) bond length is 1.98 Å. The Co(3)-O(18) bond length is 2.17 Å. The Co(3)-O(19) bond length is 2.21 Å. The Co(3)-O(27) bond length is 2.10 Å. The Co(3)-O(9) bond length is 2.00 Å. In the fourth Co site, Co(4) is bonded to one O(11), one O(21), one O(24), one O(29), and one O(3) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Sb(4)O6 pentagonal pyramids,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. The Co(4)-O(11) bond length is 2.01 Å. The Co(4)-O(21) bond length is 2.17 Å. The Co(4)-O(24) bond length is 2.16 Å. The Co(4)-O(29) bond length is 2.10 Å. The Co(4)-O(3) bond length is 1.98 Å. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(14), one O(18), one O(20), one O(26), one O(27), and one O(5) atom to form distorted SbO6 pentagonal pyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent Co(1)O5 trigonal bipyramids, corners with two equivalent Co(3)O5 trigonal bipyramids, and  an edgeedge with one P(2)O4 tetrahedra. The Sb(1)-O(14) bond length is 2.20 Å. The Sb(1)-O(18) bond length is 2.28 Å. The Sb(1)-O(20) bond length is 2.20 Å. The Sb(1)-O(26) bond length is 2.63 Å. The Sb(1)-O(27) bond length is 2.47 Å. The Sb(1)-O(5) bond length is 2.24 Å. In the second Sb site, Sb(2) is bonded to one O(13), one O(17), one O(19), one O(25), one O(28), and one O(6) atom to form SbO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid, and  an edgeedge with one P(1)O4 tetrahedra. The Sb(2)-O(13) bond length is 2.01 Å. The Sb(2)-O(17) bond length is 2.07 Å. The Sb(2)-O(19) bond length is 2.08 Å. The Sb(2)-O(25) bond length is 1.97 Å. The Sb(2)-O(28) bond length is 1.98 Å. The Sb(2)-O(6) bond length is 2.01 Å. In the third Sb site, Sb(3) is bonded to one O(16), one O(22), one O(24), one O(30), one O(31), and one O(7) atom to form SbO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one P(4)O4 tetrahedra. The Sb(3)-O(16) bond length is 2.01 Å. The Sb(3)-O(22) bond length is 2.09 Å. The Sb(3)-O(24) bond length is 2.07 Å. The Sb(3)-O(30) bond length is 1.97 Å. The Sb(3)-O(31) bond length is 1.98 Å. The Sb(3)-O(7) bond length is 2.01 Å. In the fourth Sb site, Sb(4) is bonded to one O(15), one O(21), one O(23), one O(29), one O(32), and one O(8) atom to form distorted SbO6 pentagonal pyramids 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,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent Co(2)O5 trigonal bipyramids, corners with two equivalent Co(4)O5 trigonal bipyramids, and  an edgeedge with one P(3)O4 tetrahedra. The Sb(4)-O(15) bond length is 2.20 Å. The Sb(4)-O(21) bond length is 2.20 Å. The Sb(4)-O(23) bond length is 2.28 Å. The Sb(4)-O(29) bond length is 2.64 Å. The Sb(4)-O(32) bond length is 2.47 Å. The Sb(4)-O(8) bond length is 2.24 Å. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(17), one O(19), one O(4), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid, and  an edgeedge with one Sb(2)O6 octahedra. The P(1)-O(17) bond length is 1.63 Å. The P(1)-O(19) bond length is 1.63 Å. The P(1)-O(4) bond length is 1.51 Å. The P(1)-O(5) bond length is 1.51 Å. In the second P site, P(2) is bonded to one O(18), one O(20), one O(3), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Sb(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 38°. The P(2)-O(18) bond length is 1.58 Å. The P(2)-O(20) bond length is 1.59 Å. The P(2)-O(3) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.57 Å. In the third P site, P(3) is bonded to one O(2), one O(21), one O(23), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Sb(4)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 38°. The P(3)-O(2) bond length is 1.51 Å. The P(3)-O(21) bond length is 1.59 Å. The P(3)-O(23) bond length is 1.58 Å. The P(3)-O(7) bond length is 1.57 Å. In the fourth P site, P(4) is bonded to one O(1), one O(22), one O(24), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Co(3)O5 trigonal bipyramid,  a cornercorner with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Sb(3)O6 octahedra. The P(4)-O(1) bond length is 1.51 Å. The P(4)-O(22) bond length is 1.63 Å. The P(4)-O(24) bond length is 1.63 Å. The P(4)-O(8) bond length is 1.51 Å. In the fifth P site, P(5) is bonded to one O(10), one O(15), one O(25), and one O(27) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  a cornercorner with one Co(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 50°. The P(5)-O(10) bond length is 1.52 Å. The P(5)-O(15) bond length is 1.53 Å. The P(5)-O(25) bond length is 1.62 Å. The P(5)-O(27) bond length is 1.55 Å. In the sixth P site, P(6) is bonded to one O(16), one O(26), one O(28), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  a cornercorner with one Co(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 51-52°. The P(6)-O(16) bond length is 1.59 Å. The P(6)-O(26) bond length is 1.53 Å. The P(6)-O(28) bond length is 1.60 Å. The P(6)-O(9) bond length is 1.51 Å. In the seventh P site, P(7) is bonded to one O(12), one O(13), one O(29), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid, and  a cornercorner with one Co(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-52°. The P(7)-O(12) bond length is 1.51 Å. The P(7)-O(13) bond length is 1.59 Å. The P(7)-O(29) bond length is 1.53 Å. The P(7)-O(31) bond length is 1.60 Å. In the eighth P site, P(8) is bonded to one O(11), one O(14), one O(30), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(3)O6 octahedra,  a cornercorner with one Sb(1)O6 pentagonal pyramid,  a cornercorner with one Sb(4)O6 pentagonal pyramid,  a cornercorner with one Co(2)O5 trigonal bipyramid, and  a cornercorner with one Co(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 50°. The P(8)-O(11) bond length is 1.52 Å. The P(8)-O(14) bond length is 1.53 Å. The P(8)-O(30) bond length is 1.62 Å. The P(8)-O(32) bond length is 1.55 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Co(4) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Sb(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Sb(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Sb(3) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Sb(4) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one P(6) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(1) and one P(5) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Co(4) and one P(8) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(7) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Sb(2) and one P(7) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Sb(1) and one P(8) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Sb(4) and one P(5) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Sb(3) and one P(6) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(2), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Co(3), one Sb(1), and one P(2) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(2), and one P(1) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(1), and one P(2) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(4), and one P(3) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), and one P(4) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Co(2), one Sb(4), and one P(3) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(3), and one P(4) atom. In the twenty-fifth O site, O(25) is bonded in a distorted bent 120 degrees geometry to one Sb(2) and one P(5) atom. In the twenty-sixth O site, O(26) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(6) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(1), and one P(5) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one Sb(2) and one P(6) atom. In the twenty-ninth O site, O(29) is bonded in a 3-coordinate geometry to one Co(4), one Sb(4), and one P(7) atom. In the thirtieth O site, O(30) is bonded in a distorted bent 120 degrees geometry to one Sb(3) and one P(8) atom. In the thirty-first O site, O(31) is bonded in a bent 120 degrees geometry to one Sb(3) and one P(7) atom. In the thirty-second O site, O(32) is bonded in a 3-coordinate geometry to one Co(2), one Sb(4), and one P(8) atom.