Co(PO3)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(10), one O(16), one O(3), one O(4), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one Co(2)O6 octahedra. In the second Co site, Co(2) is bonded to one O(10), one O(17), one O(18), one O(5), one O(8), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and  an edgeedge with one Co(1)O6 octahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(14), one O(16), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-58°. In the second P site, P(2) is bonded to one O(11), one O(13), one O(14), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. In the third P site, P(3) is bonded to one O(10), one O(11), one O(15), and one O(17) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-57°. In the fourth P site, P(4) is bonded to one O(1), one O(15), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 22-50°. In the fifth P site, P(5) is bonded to one O(12), one O(2), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 17°. In the sixth P site, P(6) is bonded to one O(18), one O(2), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-47°. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Co(1) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one P(5) and one P(6) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Co(1) and one P(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one P(6) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Co(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(6) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(4) and one P(5) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one P(1) atom. In the ninth O site, O(9) is bonded in a linear geometry to one Co(2) and one P(5) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one P(5) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one P(2) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Co(1) and one P(1) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(3) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Co(2) and one P(6) atom.
Co(PO3)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(10), one O(16), one O(3), one O(4), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one Co(2)O6 octahedra. The Co(1)-O(1) bond length is 1.98 Å. The Co(1)-O(10) bond length is 2.15 Å. The Co(1)-O(16) bond length is 1.92 Å. The Co(1)-O(3) bond length is 1.90 Å. The Co(1)-O(4) bond length is 2.01 Å. The Co(1)-O(8) bond length is 2.20 Å. In the second Co site, Co(2) is bonded to one O(10), one O(17), one O(18), one O(5), one O(8), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and  an edgeedge with one Co(1)O6 octahedra. The Co(2)-O(10) bond length is 2.37 Å. The Co(2)-O(17) bond length is 2.00 Å. The Co(2)-O(18) bond length is 1.92 Å. The Co(2)-O(5) bond length is 1.87 Å. The Co(2)-O(8) bond length is 2.24 Å. The Co(2)-O(9) bond length is 1.95 Å. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(14), one O(16), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-58°. The P(1)-O(14) bond length is 1.57 Å. The P(1)-O(16) bond length is 1.51 Å. The P(1)-O(6) bond length is 1.59 Å. The P(1)-O(8) bond length is 1.53 Å. In the second P site, P(2) is bonded to one O(11), one O(13), one O(14), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. The P(2)-O(11) bond length is 1.64 Å. The P(2)-O(13) bond length is 1.46 Å. The P(2)-O(14) bond length is 1.63 Å. The P(2)-O(5) bond length is 1.53 Å. In the third P site, P(3) is bonded to one O(10), one O(11), one O(15), and one O(17) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-57°. The P(3)-O(10) bond length is 1.53 Å. The P(3)-O(11) bond length is 1.59 Å. The P(3)-O(15) bond length is 1.60 Å. The P(3)-O(17) bond length is 1.51 Å. In the fourth P site, P(4) is bonded to one O(1), one O(15), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 22-50°. The P(4)-O(1) bond length is 1.50 Å. The P(4)-O(15) bond length is 1.62 Å. The P(4)-O(3) bond length is 1.52 Å. The P(4)-O(7) bond length is 1.57 Å. In the fifth P site, P(5) is bonded to one O(12), one O(2), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 17°. The P(5)-O(12) bond length is 1.46 Å. The P(5)-O(2) bond length is 1.65 Å. The P(5)-O(7) bond length is 1.65 Å. The P(5)-O(9) bond length is 1.51 Å. In the sixth P site, P(6) is bonded to one O(18), one O(2), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-47°. The P(6)-O(18) bond length is 1.52 Å. The P(6)-O(2) bond length is 1.56 Å. The P(6)-O(4) bond length is 1.51 Å. The P(6)-O(6) bond length is 1.61 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Co(1) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one P(5) and one P(6) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Co(1) and one P(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one P(6) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Co(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(6) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(4) and one P(5) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one P(1) atom. In the ninth O site, O(9) is bonded in a linear geometry to one Co(2) and one P(5) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one P(5) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one P(2) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Co(1) and one P(1) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(3) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Co(2) and one P(6) atom.