MgFe3Co2Sb(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(12), one O(14), one O(20), one O(4), one O(7), and one O(9) atom to form MgO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom to form FeO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Co(2)O6 octahedra. In the second Fe site, Fe(2) is bonded in a 6-coordinate geometry to one O(12), one O(20), one O(22), one O(23), one O(24), and one O(9) atom. In the third Fe site, Fe(3) is bonded to one O(1), one O(15), one O(17), one O(19), one O(2), and one O(3) atom to form FeO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Co(2)O6 octahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(18), one O(21), one O(4), and one O(7) atom. In the second Co site, Co(2) is bonded to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) 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(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a faceface with one Fe(1)O6 octahedra, and  a faceface with one Fe(3)O6 octahedra. Sb(1) is bonded to one O(11), one O(13), one O(16), one O(18), one O(21), and one O(5) atom to form distorted SbO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-53°. In the second P site, P(2) is bonded to one O(1), one O(13), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-53°. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-53°. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(23), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-49°. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-48°. In the sixth P site, P(6) is bonded to one O(19), one O(20), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-49°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Fe(3) and one P(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Fe(3) and one P(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Fe(3) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Fe(1), one Co(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Fe(1), one Co(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Mg(1), one Fe(2), and one P(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Fe(1), one Co(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Mg(1), one Fe(2), and one P(5) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Fe(3), one Co(2), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Fe(3), one Co(2), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Fe(3), one Co(2), and one P(6) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Mg(1), one Fe(2), and one P(6) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one P(5) atom.
MgFe3Co2Sb(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(12), one O(14), one O(20), one O(4), one O(7), and one O(9) atom to form MgO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The Mg(1)-O(12) bond length is 2.14 Å. The Mg(1)-O(14) bond length is 2.04 Å. The Mg(1)-O(20) bond length is 2.13 Å. The Mg(1)-O(4) bond length is 2.06 Å. The Mg(1)-O(7) bond length is 2.04 Å. The Mg(1)-O(9) bond length is 2.14 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom to form FeO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Co(2)O6 octahedra. The Fe(1)-O(10) bond length is 2.07 Å. The Fe(1)-O(22) bond length is 2.25 Å. The Fe(1)-O(23) bond length is 2.25 Å. The Fe(1)-O(24) bond length is 2.25 Å. The Fe(1)-O(6) bond length is 2.07 Å. The Fe(1)-O(8) bond length is 2.06 Å. In the second Fe site, Fe(2) is bonded in a 6-coordinate geometry to one O(12), one O(20), one O(22), one O(23), one O(24), and one O(9) atom. The Fe(2)-O(12) bond length is 2.12 Å. The Fe(2)-O(20) bond length is 2.12 Å. The Fe(2)-O(22) bond length is 2.13 Å. The Fe(2)-O(23) bond length is 2.14 Å. The Fe(2)-O(24) bond length is 2.13 Å. The Fe(2)-O(9) bond length is 2.12 Å. In the third Fe site, Fe(3) is bonded to one O(1), one O(15), one O(17), one O(19), one O(2), and one O(3) atom to form FeO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Co(2)O6 octahedra. The Fe(3)-O(1) bond length is 1.94 Å. The Fe(3)-O(15) bond length is 2.10 Å. The Fe(3)-O(17) bond length is 2.09 Å. The Fe(3)-O(19) bond length is 2.11 Å. The Fe(3)-O(2) bond length is 1.94 Å. The Fe(3)-O(3) bond length is 1.94 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(18), one O(21), one O(4), and one O(7) atom. The Co(1)-O(11) bond length is 2.28 Å. The Co(1)-O(14) bond length is 2.17 Å. The Co(1)-O(18) bond length is 2.28 Å. The Co(1)-O(21) bond length is 2.30 Å. The Co(1)-O(4) bond length is 2.11 Å. The Co(1)-O(7) bond length is 2.15 Å. In the second Co site, Co(2) is bonded to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) 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(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a faceface with one Fe(1)O6 octahedra, and  a faceface with one Fe(3)O6 octahedra. The Co(2)-O(10) bond length is 2.19 Å. The Co(2)-O(15) bond length is 2.17 Å. The Co(2)-O(17) bond length is 2.17 Å. The Co(2)-O(19) bond length is 2.17 Å. The Co(2)-O(6) bond length is 2.21 Å. The Co(2)-O(8) bond length is 2.24 Å. Sb(1) is bonded to one O(11), one O(13), one O(16), one O(18), one O(21), and one O(5) atom to form distorted SbO6 octahedra that share  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(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The Sb(1)-O(11) bond length is 2.04 Å. The Sb(1)-O(13) bond length is 1.95 Å. The Sb(1)-O(16) bond length is 1.95 Å. The Sb(1)-O(18) bond length is 2.04 Å. The Sb(1)-O(21) bond length is 2.04 Å. The Sb(1)-O(5) bond length is 1.95 Å. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-53°. The P(1)-O(3) bond length is 1.52 Å. The P(1)-O(4) bond length is 1.55 Å. The P(1)-O(5) bond length is 1.59 Å. The P(1)-O(6) bond length is 1.55 Å. In the second P site, P(2) is bonded to one O(1), one O(13), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-53°. The P(2)-O(1) bond length is 1.52 Å. The P(2)-O(13) bond length is 1.59 Å. The P(2)-O(7) bond length is 1.55 Å. The P(2)-O(8) bond length is 1.54 Å. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-53°. The P(3)-O(10) bond length is 1.55 Å. The P(3)-O(14) bond length is 1.54 Å. The P(3)-O(16) bond length is 1.59 Å. The P(3)-O(2) bond length is 1.52 Å. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(23), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-49°. The P(4)-O(11) bond length is 1.61 Å. The P(4)-O(15) bond length is 1.54 Å. The P(4)-O(23) bond length is 1.54 Å. The P(4)-O(9) bond length is 1.54 Å. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-48°. The P(5)-O(12) bond length is 1.54 Å. The P(5)-O(17) bond length is 1.54 Å. The P(5)-O(18) bond length is 1.61 Å. The P(5)-O(24) bond length is 1.54 Å. In the sixth P site, P(6) is bonded to one O(19), one O(20), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  a cornercorner with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-49°. The P(6)-O(19) bond length is 1.54 Å. The P(6)-O(20) bond length is 1.54 Å. The P(6)-O(21) bond length is 1.61 Å. The P(6)-O(22) bond length is 1.54 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Fe(3) and one P(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Fe(3) and one P(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Fe(3) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Fe(1), one Co(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Fe(1), one Co(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Mg(1), one Fe(2), and one P(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Fe(1), one Co(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Mg(1), one Fe(2), and one P(5) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Fe(3), one Co(2), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Fe(3), one Co(2), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Fe(3), one Co(2), and one P(6) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Mg(1), one Fe(2), and one P(6) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Co(1), one Sb(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one P(5) atom.