Fe2(PO4)Cl crystallizes in the triclinic P1 space group. There are eight inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(11), one O(12), one O(13), one O(15), one Cl(1), and one Cl(3) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(6)Cl2O4 octahedra,  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,  an edgeedge with one Fe(3)Cl2O4 octahedra,  an edgeedge with one Fe(4)Cl2O4 octahedra,  a faceface with one Fe(7)Cl2O4 octahedra, and  a faceface with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 71°. In the second Fe site, Fe(2) is bonded to one O(10), one O(14), one O(16), one O(9), one Cl(2), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(7)Cl2O4 octahedra,  a cornercorner with one Fe(8)Cl2O4 octahedra,  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,  an edgeedge with one Fe(3)Cl2O4 octahedra,  an edgeedge with one Fe(4)Cl2O4 octahedra, and  a faceface with one Fe(6)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 72°. In the third Fe site, Fe(3) is bonded to one O(11), one O(5), one O(7), one O(9), one Cl(2), and one Cl(3) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra,  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,  an edgeedge with one Fe(1)Cl2O4 octahedra,  an edgeedge with one Fe(2)Cl2O4 octahedra, and  a faceface with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 79°. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(12), one O(6), one O(8), one Cl(1), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(8)Cl2O4 octahedra,  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,  an edgeedge with one Fe(1)Cl2O4 octahedra,  an edgeedge with one Fe(2)Cl2O4 octahedra,  a faceface with one Fe(6)Cl2O4 octahedra, and  a faceface with one Fe(7)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 80°. In the fifth Fe site, Fe(5) is bonded in a 6-coordinate geometry to one O(16), one O(3), one O(7), one O(9), one Cl(1), and one Cl(2) atom. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(14), one O(4), one O(6), one Cl(3), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra, corners with two equivalent Fe(8)Cl2O4 octahedra,  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 faceface with one Fe(2)Cl2O4 octahedra, and  a faceface with one Fe(4)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 7-79°. In the seventh Fe site, Fe(7) is bonded to one O(1), one O(12), one O(15), one O(8), one Cl(1), and one Cl(2) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  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 faceface with one Fe(1)Cl2O4 octahedra, and  a faceface with one Fe(4)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 72-79°. In the eighth Fe site, Fe(8) is bonded to one O(11), one O(13), one O(2), one O(5), one Cl(3), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra, corners with two equivalent Fe(6)Cl2O4 octahedra,  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 faceface with one Fe(1)Cl2O4 octahedra, and  a faceface with one Fe(3)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 7-80°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(12), one O(14), one O(2), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 29-58°. In the second P site, P(2) is bonded to one O(13), one O(4), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 28-57°. In the third P site, P(3) is bonded to one O(10), one O(15), one O(3), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 46-58°. In the fourth P site, P(4) is bonded to one O(1), one O(11), one O(16), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 28-57°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Fe(7) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Fe(8) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Fe(5) and one P(3) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Fe(6) and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Fe(3), one Fe(8), and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Fe(4), one Fe(6), and one P(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Fe(3), one Fe(5), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Fe(4), one Fe(7), and one P(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(3), one Fe(5), and one P(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(4), one Fe(6), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Fe(1), one Fe(3), one Fe(8), and one P(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Fe(1), one Fe(4), one Fe(7), and one P(1) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Fe(1), one Fe(8), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Fe(2), one Fe(6), and one P(1) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Fe(1), one Fe(7), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Fe(2), one Fe(5), and one P(4) atom. There are four inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(4), one Fe(5), and one Fe(7) atom. In the second Cl site, Cl(2) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Fe(5), and one Fe(7) atom. In the third Cl site, Cl(3) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Fe(6), and one Fe(8) atom. In the fourth Cl site, Cl(4) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(4), one Fe(6), and one Fe(8) atom.
Fe2(PO4)Cl crystallizes in the triclinic P1 space group. There are eight inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(11), one O(12), one O(13), one O(15), one Cl(1), and one Cl(3) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(6)Cl2O4 octahedra,  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,  an edgeedge with one Fe(3)Cl2O4 octahedra,  an edgeedge with one Fe(4)Cl2O4 octahedra,  a faceface with one Fe(7)Cl2O4 octahedra, and  a faceface with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 71°. The Fe(1)-O(11) bond length is 2.31 Å. The Fe(1)-O(12) bond length is 2.20 Å. The Fe(1)-O(13) bond length is 2.08 Å. The Fe(1)-O(15) bond length is 2.17 Å. The Fe(1)-Cl(1) bond length is 2.51 Å. The Fe(1)-Cl(3) bond length is 2.50 Å. In the second Fe site, Fe(2) is bonded to one O(10), one O(14), one O(16), one O(9), one Cl(2), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(7)Cl2O4 octahedra,  a cornercorner with one Fe(8)Cl2O4 octahedra,  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,  an edgeedge with one Fe(3)Cl2O4 octahedra,  an edgeedge with one Fe(4)Cl2O4 octahedra, and  a faceface with one Fe(6)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 72°. The Fe(2)-O(10) bond length is 2.22 Å. The Fe(2)-O(14) bond length is 2.15 Å. The Fe(2)-O(16) bond length is 2.08 Å. The Fe(2)-O(9) bond length is 2.33 Å. The Fe(2)-Cl(2) bond length is 2.51 Å. The Fe(2)-Cl(4) bond length is 2.52 Å. In the third Fe site, Fe(3) is bonded to one O(11), one O(5), one O(7), one O(9), one Cl(2), and one Cl(3) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra,  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,  an edgeedge with one Fe(1)Cl2O4 octahedra,  an edgeedge with one Fe(2)Cl2O4 octahedra, and  a faceface with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 79°. The Fe(3)-O(11) bond length is 2.26 Å. The Fe(3)-O(5) bond length is 2.04 Å. The Fe(3)-O(7) bond length is 2.04 Å. The Fe(3)-O(9) bond length is 2.25 Å. The Fe(3)-Cl(2) bond length is 2.61 Å. The Fe(3)-Cl(3) bond length is 2.61 Å. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(12), one O(6), one O(8), one Cl(1), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(8)Cl2O4 octahedra,  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,  an edgeedge with one Fe(1)Cl2O4 octahedra,  an edgeedge with one Fe(2)Cl2O4 octahedra,  a faceface with one Fe(6)Cl2O4 octahedra, and  a faceface with one Fe(7)Cl2O4 octahedra. The corner-sharing octahedral tilt angles are 80°. The Fe(4)-O(10) bond length is 2.23 Å. The Fe(4)-O(12) bond length is 2.24 Å. The Fe(4)-O(6) bond length is 2.07 Å. The Fe(4)-O(8) bond length is 2.07 Å. The Fe(4)-Cl(1) bond length is 2.59 Å. The Fe(4)-Cl(4) bond length is 2.58 Å. In the fifth Fe site, Fe(5) is bonded in a 6-coordinate geometry to one O(16), one O(3), one O(7), one O(9), one Cl(1), and one Cl(2) atom. The Fe(5)-O(16) bond length is 2.17 Å. The Fe(5)-O(3) bond length is 1.96 Å. The Fe(5)-O(7) bond length is 2.18 Å. The Fe(5)-O(9) bond length is 2.22 Å. The Fe(5)-Cl(1) bond length is 2.49 Å. The Fe(5)-Cl(2) bond length is 2.63 Å. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(14), one O(4), one O(6), one Cl(3), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra, corners with two equivalent Fe(8)Cl2O4 octahedra,  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 faceface with one Fe(2)Cl2O4 octahedra, and  a faceface with one Fe(4)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 7-79°. The Fe(6)-O(10) bond length is 2.40 Å. The Fe(6)-O(14) bond length is 2.09 Å. The Fe(6)-O(4) bond length is 2.01 Å. The Fe(6)-O(6) bond length is 2.09 Å. The Fe(6)-Cl(3) bond length is 2.48 Å. The Fe(6)-Cl(4) bond length is 2.64 Å. In the seventh Fe site, Fe(7) is bonded to one O(1), one O(12), one O(15), one O(8), one Cl(1), and one Cl(2) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  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 faceface with one Fe(1)Cl2O4 octahedra, and  a faceface with one Fe(4)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 72-79°. The Fe(7)-O(1) bond length is 2.01 Å. The Fe(7)-O(12) bond length is 2.42 Å. The Fe(7)-O(15) bond length is 2.08 Å. The Fe(7)-O(8) bond length is 2.09 Å. The Fe(7)-Cl(1) bond length is 2.64 Å. The Fe(7)-Cl(2) bond length is 2.49 Å. In the eighth Fe site, Fe(8) is bonded to one O(11), one O(13), one O(2), one O(5), one Cl(3), and one Cl(4) atom to form distorted FeCl2O4 octahedra that share  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra, corners with two equivalent Fe(6)Cl2O4 octahedra,  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 faceface with one Fe(1)Cl2O4 octahedra, and  a faceface with one Fe(3)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 7-80°. The Fe(8)-O(11) bond length is 2.22 Å. The Fe(8)-O(13) bond length is 2.18 Å. The Fe(8)-O(2) bond length is 1.96 Å. The Fe(8)-O(5) bond length is 2.18 Å. The Fe(8)-Cl(3) bond length is 2.63 Å. The Fe(8)-Cl(4) bond length is 2.49 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(12), one O(14), one O(2), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 29-58°. The P(1)-O(12) bond length is 1.59 Å. The P(1)-O(14) bond length is 1.56 Å. The P(1)-O(2) bond length is 1.51 Å. The P(1)-O(7) bond length is 1.56 Å. In the second P site, P(2) is bonded to one O(13), one O(4), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 28-57°. The P(2)-O(13) bond length is 1.56 Å. The P(2)-O(4) bond length is 1.51 Å. The P(2)-O(8) bond length is 1.57 Å. The P(2)-O(9) bond length is 1.59 Å. In the third P site, P(3) is bonded to one O(10), one O(15), one O(3), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 46-58°. The P(3)-O(10) bond length is 1.59 Å. The P(3)-O(15) bond length is 1.56 Å. The P(3)-O(3) bond length is 1.51 Å. The P(3)-O(5) bond length is 1.56 Å. In the fourth P site, P(4) is bonded to one O(1), one O(11), one O(16), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra,  a cornercorner with one Fe(3)Cl2O4 octahedra,  a cornercorner with one Fe(4)Cl2O4 octahedra,  a cornercorner with one Fe(6)Cl2O4 octahedra,  a cornercorner with one Fe(7)Cl2O4 octahedra, and  a cornercorner with one Fe(8)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 28-57°. The P(4)-O(1) bond length is 1.51 Å. The P(4)-O(11) bond length is 1.59 Å. The P(4)-O(16) bond length is 1.56 Å. The P(4)-O(6) bond length is 1.57 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Fe(7) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Fe(8) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Fe(5) and one P(3) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Fe(6) and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Fe(3), one Fe(8), and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Fe(4), one Fe(6), and one P(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Fe(3), one Fe(5), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Fe(4), one Fe(7), and one P(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(3), one Fe(5), and one P(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(4), one Fe(6), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Fe(1), one Fe(3), one Fe(8), and one P(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Fe(1), one Fe(4), one Fe(7), and one P(1) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Fe(1), one Fe(8), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Fe(2), one Fe(6), and one P(1) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Fe(1), one Fe(7), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Fe(2), one Fe(5), and one P(4) atom. There are four inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(4), one Fe(5), and one Fe(7) atom. In the second Cl site, Cl(2) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(3), one Fe(5), and one Fe(7) atom. In the third Cl site, Cl(3) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Fe(6), and one Fe(8) atom. In the fourth Cl site, Cl(4) is bonded in a distorted see-saw-like geometry to one Fe(2), one Fe(4), one Fe(6), and one Fe(8) atom.