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(18), one O(2), one O(20), one O(26), and one O(28) atom to form distorted CoO6 pentagonal pyramids that share corners with four equivalent Sb(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-51°. In the second Co site, Co(2) is bonded to one O(11), one O(21), one O(23), one O(29), one O(3), and one O(31) atom to form distorted CoO6 pentagonal pyramids that share corners with four equivalent Sb(3)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and  an edgeedge with one P(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-51°. In the third Co site, Co(3) is bonded to one O(1), one O(17), one O(19), one O(25), one O(27), and one O(9) atom to form distorted CoO6 octahedra that share corners with four equivalent Sb(1)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the fourth Co site, Co(4) is bonded to one O(12), one O(22), one O(24), one O(30), one O(32), and one O(4) atom to form distorted CoO6 octahedra that share corners with four equivalent Sb(4)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(13), one O(17), one O(19), one O(25), one O(27), and one O(5) atom to form SbO6 octahedra that share corners with four equivalent Co(3)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the second Sb site, Sb(2) is bonded to one O(14), one O(18), one O(20), one O(26), one O(28), and one O(6) atom to form SbO6 octahedra that share corners with four equivalent Co(1)O6 pentagonal pyramids,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent P(6)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. In the third Sb site, Sb(3) is bonded to one O(15), one O(21), one O(23), one O(29), one O(31), and one O(7) atom to form SbO6 octahedra that share corners with four equivalent Co(2)O6 pentagonal pyramids,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(7)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. In the fourth Sb site, Sb(4) is bonded to one O(16), one O(22), one O(24), one O(30), one O(32), and one O(8) atom to form SbO6 octahedra that share corners with four equivalent Co(4)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(8)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. 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 Co(4)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and  an edgeedge with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-55°. 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(2)O6 pentagonal pyramid, corners with two equivalent Co(1)O6 pentagonal pyramids, and  an edgeedge with one Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles are 43°. 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)O6 pentagonal pyramid, corners with two equivalent Co(2)O6 pentagonal pyramids, and  an edgeedge with one Sb(3)O6 octahedra. The corner-sharing octahedral tilt angles are 43°. 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 Co(3)O6 octahedra,  a cornercorner with one Sb(4)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, and  an edgeedge with one Sb(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-55°. In the fifth P site, P(5) is bonded to one O(15), one O(25), one O(27), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the sixth P site, P(6) is bonded to one O(10), one O(16), one O(26), and one O(28) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(4)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Co(1)O6 pentagonal pyramid, and  an edgeedge with one Co(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 53-56°. In the seventh P site, P(7) is bonded to one O(11), one O(13), one O(29), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(3)O6 octahedra,  a cornercorner with one Co(2)O6 pentagonal pyramid, and  an edgeedge with one Co(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 53-56°. In the eighth P site, P(8) is bonded to one O(12), one O(14), one O(30), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(4)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 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(2) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Co(4) 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 distorted bent 150 degrees geometry to one Sb(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted 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(5) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one P(6) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(7) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Co(4) and one P(8) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Sb(1) and one P(7) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Sb(2) and one P(8) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Sb(3) and one P(5) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Sb(4) and one P(6) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(1), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(2), 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(1), 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(2), and one P(2) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), and one P(3) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(4), and one P(4) atom. In the twenty-third O site, O(23) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), 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(4), and one P(4) atom. In the twenty-fifth O site, O(25) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(1), and one P(5) atom. In the twenty-sixth O site, O(26) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(2), 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 distorted trigonal planar geometry to one Co(1), one Sb(2), and one P(6) atom. In the twenty-ninth O site, O(29) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), and one P(7) atom. In the thirtieth O site, O(30) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(4), and one P(8) atom. In the thirty-first O site, O(31) is bonded in a distorted trigonal planar geometry to one Co(2), 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(4), 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(18), one O(2), one O(20), one O(26), and one O(28) atom to form distorted CoO6 pentagonal pyramids that share corners with four equivalent Sb(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-51°. The Co(1)-O(10) bond length is 1.98 Å. The Co(1)-O(18) bond length is 2.22 Å. The Co(1)-O(2) bond length is 1.99 Å. The Co(1)-O(20) bond length is 2.22 Å. The Co(1)-O(26) bond length is 2.27 Å. The Co(1)-O(28) bond length is 2.27 Å. In the second Co site, Co(2) is bonded to one O(11), one O(21), one O(23), one O(29), one O(3), and one O(31) atom to form distorted CoO6 pentagonal pyramids that share corners with four equivalent Sb(3)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and  an edgeedge with one P(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-51°. The Co(2)-O(11) bond length is 1.98 Å. The Co(2)-O(21) bond length is 2.21 Å. The Co(2)-O(23) bond length is 2.21 Å. The Co(2)-O(29) bond length is 2.28 Å. The Co(2)-O(3) bond length is 1.99 Å. The Co(2)-O(31) bond length is 2.27 Å. In the third Co site, Co(3) is bonded to one O(1), one O(17), one O(19), one O(25), one O(27), and one O(9) atom to form distorted CoO6 octahedra that share corners with four equivalent Sb(1)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Co(3)-O(1) bond length is 1.98 Å. The Co(3)-O(17) bond length is 2.20 Å. The Co(3)-O(19) bond length is 2.20 Å. The Co(3)-O(25) bond length is 2.30 Å. The Co(3)-O(27) bond length is 2.29 Å. The Co(3)-O(9) bond length is 2.00 Å. In the fourth Co site, Co(4) is bonded to one O(12), one O(22), one O(24), one O(30), one O(32), and one O(4) atom to form distorted CoO6 octahedra that share corners with four equivalent Sb(4)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one P(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Co(4)-O(12) bond length is 1.99 Å. The Co(4)-O(22) bond length is 2.23 Å. The Co(4)-O(24) bond length is 2.19 Å. The Co(4)-O(30) bond length is 2.29 Å. The Co(4)-O(32) bond length is 2.32 Å. The Co(4)-O(4) bond length is 1.99 Å. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(13), one O(17), one O(19), one O(25), one O(27), and one O(5) atom to form SbO6 octahedra that share corners with four equivalent Co(3)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Sb(1)-O(13) bond length is 2.16 Å. The Sb(1)-O(17) bond length is 2.19 Å. The Sb(1)-O(19) bond length is 2.19 Å. The Sb(1)-O(25) bond length is 2.21 Å. The Sb(1)-O(27) bond length is 2.21 Å. The Sb(1)-O(5) bond length is 2.10 Å. In the second Sb site, Sb(2) is bonded to one O(14), one O(18), one O(20), one O(26), one O(28), and one O(6) atom to form SbO6 octahedra that share corners with four equivalent Co(1)O6 pentagonal pyramids,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, corners with two equivalent P(6)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The Sb(2)-O(14) bond length is 2.14 Å. The Sb(2)-O(18) bond length is 2.18 Å. The Sb(2)-O(20) bond length is 2.18 Å. The Sb(2)-O(26) bond length is 2.21 Å. The Sb(2)-O(28) bond length is 2.21 Å. The Sb(2)-O(6) bond length is 2.09 Å. In the third Sb site, Sb(3) is bonded to one O(15), one O(21), one O(23), one O(29), one O(31), and one O(7) atom to form SbO6 octahedra that share corners with four equivalent Co(2)O6 pentagonal pyramids,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(7)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The Sb(3)-O(15) bond length is 2.13 Å. The Sb(3)-O(21) bond length is 2.18 Å. The Sb(3)-O(23) bond length is 2.18 Å. The Sb(3)-O(29) bond length is 2.20 Å. The Sb(3)-O(31) bond length is 2.20 Å. The Sb(3)-O(7) bond length is 2.09 Å. In the fourth Sb site, Sb(4) is bonded to one O(16), one O(22), one O(24), one O(30), one O(32), and one O(8) atom to form SbO6 octahedra that share corners with four equivalent Co(4)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(8)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Sb(4)-O(16) bond length is 2.15 Å. The Sb(4)-O(22) bond length is 2.18 Å. The Sb(4)-O(24) bond length is 2.18 Å. The Sb(4)-O(30) bond length is 2.19 Å. The Sb(4)-O(32) bond length is 2.20 Å. The Sb(4)-O(8) bond length is 2.09 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 Co(4)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and  an edgeedge with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-55°. The P(1)-O(17) bond length is 1.60 Å. The P(1)-O(19) bond length is 1.60 Å. The P(1)-O(4) bond length is 1.51 Å. The P(1)-O(5) bond length is 1.55 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(2)O6 pentagonal pyramid, corners with two equivalent Co(1)O6 pentagonal pyramids, and  an edgeedge with one Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles are 43°. The P(2)-O(18) bond length is 1.60 Å. The P(2)-O(20) bond length is 1.60 Å. The P(2)-O(3) bond length is 1.50 Å. The P(2)-O(6) bond length is 1.55 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)O6 pentagonal pyramid, corners with two equivalent Co(2)O6 pentagonal pyramids, and  an edgeedge with one Sb(3)O6 octahedra. The corner-sharing octahedral tilt angles are 43°. The P(3)-O(2) bond length is 1.50 Å. The P(3)-O(21) bond length is 1.60 Å. The P(3)-O(23) bond length is 1.60 Å. The P(3)-O(7) bond length is 1.55 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 Co(3)O6 octahedra,  a cornercorner with one Sb(4)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, and  an edgeedge with one Sb(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-55°. The P(4)-O(1) bond length is 1.50 Å. The P(4)-O(22) bond length is 1.60 Å. The P(4)-O(24) bond length is 1.60 Å. The P(4)-O(8) bond length is 1.55 Å. In the fifth P site, P(5) is bonded to one O(15), one O(25), one O(27), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. The P(5)-O(15) bond length is 1.56 Å. The P(5)-O(25) bond length is 1.58 Å. The P(5)-O(27) bond length is 1.58 Å. The P(5)-O(9) bond length is 1.51 Å. In the sixth P site, P(6) is bonded to one O(10), one O(16), one O(26), and one O(28) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(4)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Co(1)O6 pentagonal pyramid, and  an edgeedge with one Co(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 53-56°. The P(6)-O(10) bond length is 1.51 Å. The P(6)-O(16) bond length is 1.55 Å. The P(6)-O(26) bond length is 1.58 Å. The P(6)-O(28) bond length is 1.58 Å. In the seventh P site, P(7) is bonded to one O(11), one O(13), one O(29), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(3)O6 octahedra,  a cornercorner with one Co(2)O6 pentagonal pyramid, and  an edgeedge with one Co(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 53-56°. The P(7)-O(11) bond length is 1.51 Å. The P(7)-O(13) bond length is 1.55 Å. The P(7)-O(29) bond length is 1.59 Å. The P(7)-O(31) bond length is 1.59 Å. In the eighth P site, P(8) is bonded to one O(12), one O(14), one O(30), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(4)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. The P(8)-O(12) bond length is 1.51 Å. The P(8)-O(14) bond length is 1.55 Å. The P(8)-O(30) bond length is 1.58 Å. The P(8)-O(32) bond length is 1.58 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 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(2) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Co(4) 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 distorted bent 150 degrees geometry to one Sb(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted 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(5) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one P(6) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(7) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Co(4) and one P(8) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Sb(1) and one P(7) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Sb(2) and one P(8) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Sb(3) and one P(5) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Sb(4) and one P(6) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(1), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(2), 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(1), 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(2), and one P(2) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), and one P(3) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(4), and one P(4) atom. In the twenty-third O site, O(23) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), 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(4), and one P(4) atom. In the twenty-fifth O site, O(25) is bonded in a distorted trigonal planar geometry to one Co(3), one Sb(1), and one P(5) atom. In the twenty-sixth O site, O(26) is bonded in a distorted trigonal planar geometry to one Co(1), one Sb(2), 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 distorted trigonal planar geometry to one Co(1), one Sb(2), and one P(6) atom. In the twenty-ninth O site, O(29) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(3), and one P(7) atom. In the thirtieth O site, O(30) is bonded in a distorted trigonal planar geometry to one Co(4), one Sb(4), and one P(8) atom. In the thirty-first O site, O(31) is bonded in a distorted trigonal planar geometry to one Co(2), 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(4), one Sb(4), and one P(8) atom.