Na3Li3Fe2P2(CO7)2 crystallizes in the triclinic P1 space group. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(23), one O(26), one O(7), and one O(9) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(24), one O(25), and one O(8) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(13), one O(4), one O(5), one O(7), and one O(8) atom. In the fourth Na site, Na(4) is bonded in a 7-coordinate geometry to one O(12), one O(14), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. In the fifth Na site, Na(5) is bonded in a 7-coordinate geometry to one O(15), one O(17), one O(19), one O(20), one O(23), one O(26), and one O(27) atom. In the sixth Na site, Na(6) is bonded in a 7-coordinate geometry to one O(16), one O(18), one O(19), one O(20), one O(24), one O(25), and one O(28) atom. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(10), one O(11), and one O(13) atom. In the second Li site, Li(2) is bonded to one O(12), one O(14), one O(2), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 66°. In the third Li site, Li(3) is bonded to one O(15), one O(17), one O(22), one O(23), and one O(27) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(4)O6 octahedra,  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 Fe(3)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 92°. In the fourth Li site, Li(4) is bonded to one O(16), one O(18), one O(21), one O(24), and one O(28) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(2)O6 octahedra,  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 Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles are 92°. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(19), one O(21), one O(27), and one O(4) atom. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(20), one O(22), one O(28), and one O(3) atom. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(13), one O(18), one O(6), and one O(8) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  a cornercorner with one Li(4)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(12), one O(15), one O(20), one O(22), one O(24), and one O(26) atom to form distorted FeO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra,  a cornercorner with one Li(4)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O5 trigonal bipyramid. In the third Fe site, Fe(3) is bonded to one O(14), one O(17), one O(5), one O(7), and one O(9) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O4 tetrahedra. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(16), one O(19), one O(21), one O(23), and one O(25) atom to form distorted FeO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O5 trigonal bipyramid. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(27), one O(3), and one O(5) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(28), one O(4), and one O(6) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(1), one O(23), and one O(25) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(2), one O(24), and one O(26) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(15), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid, and corners with two equivalent Fe(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 51-61°. In the second P site, P(2) is bonded to one O(10), one O(12), one O(16), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O5 trigonal bipyramid, and corners with two equivalent Fe(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 51-61°. In the third P site, P(3) is bonded to one O(13), one O(17), one O(19), and one O(21) atom to form PO4 tetrahedra that share corners with two equivalent Fe(4)O6 octahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid,  a cornercorner with one Li(4)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 44-51°. In the fourth P site, P(4) is bonded to one O(14), one O(18), one O(20), and one O(22) atom to form PO4 tetrahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid,  a cornercorner with one Li(4)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-50°. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(3), one Li(1), and one C(3) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(4), one Li(2), and one C(4) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(4), one Li(6), and one C(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(3), one Li(5), and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Na(3), one Fe(3), and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Na(4), one Fe(1), and one C(2) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Na(1), one Na(3), one Na(4), one Fe(3), and one P(1) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Na(2), one Na(3), one Na(4), one Fe(1), and one P(2) atom. In the ninth O site, O(9) is bonded to one Na(1), one Li(2), one Fe(3), and one P(1) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(23)Na2LiFeC trigonal bipyramid and  an edgeedge with one O(14)NaLiFeP trigonal pyramid. In the tenth O site, O(10) is bonded to one Na(2), one Li(1), one Fe(1), and one P(2) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(24)Na2LiFeC trigonal bipyramid and  an edgeedge with one O(13)NaLiFeP trigonal pyramid. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(3), one Li(1), one Fe(4), and one P(1) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(4), one Li(2), one Fe(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded to one Na(3), one Li(1), one Fe(1), and one P(3) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(21)Li2FeP trigonal pyramid and  an edgeedge with one O(10)NaLiFeP trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Na(4), one Li(2), one Fe(3), and one P(4) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(22)Li2FeP trigonal pyramid and  an edgeedge with one O(9)NaLiFeP trigonal pyramid. In the fifteenth O site, O(15) is bonded in a distorted rectangular see-saw-like geometry to one Na(5), one Li(3), one Fe(2), and one P(1) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Na(6), one Li(4), one Fe(4), and one P(2) atom. In the seventeenth O site, O(17) is bonded in a 4-coordinate geometry to one Na(5), one Li(3), one Fe(3), and one P(3) atom. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Na(6), one Li(4), one Fe(1), and one P(4) atom. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Na(5), one Na(6), one Li(5), one Fe(4), and one P(3) atom. In the twentieth O site, O(20) is bonded in a 5-coordinate geometry to one Na(5), one Na(6), one Li(6), one Fe(2), and one P(4) atom. In the twenty-first O site, O(21) is bonded to one Li(4), one Li(5), one Fe(4), and one P(3) atom to form distorted OLi2FeP trigonal pyramids that share  a cornercorner with one O(23)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(24)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(27)NaLi2C trigonal pyramid,  a cornercorner with one O(28)NaLi2C trigonal pyramid, and  a cornercorner with one O(13)NaLiFeP trigonal pyramid. In the twenty-second O site, O(22) is bonded to one Li(3), one Li(6), one Fe(2), and one P(4) atom to form distorted OLi2FeP trigonal pyramids that share  a cornercorner with one O(23)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(24)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(27)NaLi2C trigonal pyramid,  a cornercorner with one O(28)NaLi2C trigonal pyramid, and  a cornercorner with one O(14)NaLiFeP trigonal pyramid. In the twenty-third O site, O(23) is bonded to one Na(1), one Na(5), one Li(3), one Fe(4), and one C(3) atom to form distorted ONa2LiFeC trigonal bipyramids that share  a cornercorner with one O(21)Li2FeP trigonal pyramid,  a cornercorner with one O(22)Li2FeP trigonal pyramid,  a cornercorner with one O(9)NaLiFeP trigonal pyramid, and corners with two equivalent O(27)NaLi2C trigonal pyramids. In the twenty-fourth O site, O(24) is bonded to one Na(2), one Na(6), one Li(4), one Fe(2), and one C(4) atom to form distorted ONa2LiFeC trigonal bipyramids that share  a cornercorner with one O(21)Li2FeP trigonal pyramid,  a cornercorner with one O(22)Li2FeP trigonal pyramid,  a cornercorner with one O(10)NaLiFeP trigonal pyramid, and corners with two equivalent O(28)NaLi2C trigonal pyramids. In the twenty-fifth O site, O(25) is bonded in a 4-coordinate geometry to one Na(2), one Na(6), one Fe(4), and one C(3) atom. In the twenty-sixth O site, O(26) is bonded in a 4-coordinate geometry to one Na(1), one Na(5), one Fe(2), and one C(4) atom. In the twenty-seventh O site, O(27) is bonded to one Na(5), one Li(3), one Li(5), and one C(1) atom to form distorted ONaLi2C trigonal pyramids that share corners with two equivalent O(23)Na2LiFeC trigonal bipyramids,  a cornercorner with one O(21)Li2FeP trigonal pyramid, and  a cornercorner with one O(22)Li2FeP trigonal pyramid. In the twenty-eighth O site, O(28) is bonded to one Na(6), one Li(4), one Li(6), and one C(2) atom to form distorted ONaLi2C trigonal pyramids that share corners with two equivalent O(24)Na2LiFeC trigonal bipyramids,  a cornercorner with one O(21)Li2FeP trigonal pyramid, and  a cornercorner with one O(22)Li2FeP trigonal pyramid.
Na3Li3Fe2P2(CO7)2 crystallizes in the triclinic P1 space group. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(23), one O(26), one O(7), and one O(9) atom. The Na(1)-O(1) bond length is 2.40 Å. The Na(1)-O(2) bond length is 2.72 Å. The Na(1)-O(23) bond length is 2.46 Å. The Na(1)-O(26) bond length is 2.25 Å. The Na(1)-O(7) bond length is 2.46 Å. The Na(1)-O(9) bond length is 2.42 Å. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(24), one O(25), and one O(8) atom. The Na(2)-O(1) bond length is 2.71 Å. The Na(2)-O(10) bond length is 2.42 Å. The Na(2)-O(2) bond length is 2.40 Å. The Na(2)-O(24) bond length is 2.46 Å. The Na(2)-O(25) bond length is 2.26 Å. The Na(2)-O(8) bond length is 2.46 Å. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(13), one O(4), one O(5), one O(7), and one O(8) atom. The Na(3)-O(1) bond length is 2.36 Å. The Na(3)-O(11) bond length is 2.58 Å. The Na(3)-O(13) bond length is 2.39 Å. The Na(3)-O(4) bond length is 2.59 Å. The Na(3)-O(5) bond length is 2.43 Å. The Na(3)-O(7) bond length is 2.85 Å. The Na(3)-O(8) bond length is 2.48 Å. In the fourth Na site, Na(4) is bonded in a 7-coordinate geometry to one O(12), one O(14), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. The Na(4)-O(12) bond length is 2.58 Å. The Na(4)-O(14) bond length is 2.39 Å. The Na(4)-O(2) bond length is 2.36 Å. The Na(4)-O(3) bond length is 2.60 Å. The Na(4)-O(6) bond length is 2.43 Å. The Na(4)-O(7) bond length is 2.48 Å. The Na(4)-O(8) bond length is 2.84 Å. In the fifth Na site, Na(5) is bonded in a 7-coordinate geometry to one O(15), one O(17), one O(19), one O(20), one O(23), one O(26), and one O(27) atom. The Na(5)-O(15) bond length is 2.33 Å. The Na(5)-O(17) bond length is 2.55 Å. The Na(5)-O(19) bond length is 2.74 Å. The Na(5)-O(20) bond length is 2.53 Å. The Na(5)-O(23) bond length is 2.43 Å. The Na(5)-O(26) bond length is 2.57 Å. The Na(5)-O(27) bond length is 2.36 Å. In the sixth Na site, Na(6) is bonded in a 7-coordinate geometry to one O(16), one O(18), one O(19), one O(20), one O(24), one O(25), and one O(28) atom. The Na(6)-O(16) bond length is 2.33 Å. The Na(6)-O(18) bond length is 2.55 Å. The Na(6)-O(19) bond length is 2.53 Å. The Na(6)-O(20) bond length is 2.76 Å. The Na(6)-O(24) bond length is 2.44 Å. The Na(6)-O(25) bond length is 2.56 Å. The Na(6)-O(28) bond length is 2.37 Å. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(10), one O(11), and one O(13) atom. The Li(1)-O(1) bond length is 2.07 Å. The Li(1)-O(10) bond length is 2.05 Å. The Li(1)-O(11) bond length is 2.05 Å. The Li(1)-O(13) bond length is 2.15 Å. In the second Li site, Li(2) is bonded to one O(12), one O(14), one O(2), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 66°. The Li(2)-O(12) bond length is 2.05 Å. The Li(2)-O(14) bond length is 2.15 Å. The Li(2)-O(2) bond length is 2.06 Å. The Li(2)-O(9) bond length is 2.05 Å. In the third Li site, Li(3) is bonded to one O(15), one O(17), one O(22), one O(23), and one O(27) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(4)O6 octahedra,  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 Fe(3)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 92°. The Li(3)-O(15) bond length is 2.12 Å. The Li(3)-O(17) bond length is 2.10 Å. The Li(3)-O(22) bond length is 2.14 Å. The Li(3)-O(23) bond length is 2.51 Å. The Li(3)-O(27) bond length is 2.13 Å. In the fourth Li site, Li(4) is bonded to one O(16), one O(18), one O(21), one O(24), and one O(28) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(2)O6 octahedra,  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 Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles are 92°. The Li(4)-O(16) bond length is 2.12 Å. The Li(4)-O(18) bond length is 2.10 Å. The Li(4)-O(21) bond length is 2.13 Å. The Li(4)-O(24) bond length is 2.52 Å. The Li(4)-O(28) bond length is 2.14 Å. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(19), one O(21), one O(27), and one O(4) atom. The Li(5)-O(19) bond length is 2.19 Å. The Li(5)-O(21) bond length is 2.19 Å. The Li(5)-O(27) bond length is 2.03 Å. The Li(5)-O(4) bond length is 1.98 Å. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(20), one O(22), one O(28), and one O(3) atom. The Li(6)-O(20) bond length is 2.19 Å. The Li(6)-O(22) bond length is 2.19 Å. The Li(6)-O(28) bond length is 2.03 Å. The Li(6)-O(3) bond length is 1.98 Å. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(13), one O(18), one O(6), and one O(8) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  a cornercorner with one Li(4)O5 trigonal bipyramid. The Fe(1)-O(10) bond length is 2.14 Å. The Fe(1)-O(13) bond length is 2.13 Å. The Fe(1)-O(18) bond length is 2.10 Å. The Fe(1)-O(6) bond length is 2.08 Å. The Fe(1)-O(8) bond length is 2.15 Å. In the second Fe site, Fe(2) is bonded to one O(12), one O(15), one O(20), one O(22), one O(24), and one O(26) atom to form distorted FeO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra,  a cornercorner with one Li(4)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O5 trigonal bipyramid. The Fe(2)-O(12) bond length is 2.10 Å. The Fe(2)-O(15) bond length is 2.17 Å. The Fe(2)-O(20) bond length is 2.17 Å. The Fe(2)-O(22) bond length is 2.16 Å. The Fe(2)-O(24) bond length is 2.30 Å. The Fe(2)-O(26) bond length is 2.19 Å. In the third Fe site, Fe(3) is bonded to one O(14), one O(17), one O(5), one O(7), and one O(9) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O4 tetrahedra. The Fe(3)-O(14) bond length is 2.13 Å. The Fe(3)-O(17) bond length is 2.09 Å. The Fe(3)-O(5) bond length is 2.08 Å. The Fe(3)-O(7) bond length is 2.15 Å. The Fe(3)-O(9) bond length is 2.14 Å. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(16), one O(19), one O(21), one O(23), and one O(25) atom to form distorted FeO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O5 trigonal bipyramid. The Fe(4)-O(11) bond length is 2.09 Å. The Fe(4)-O(16) bond length is 2.16 Å. The Fe(4)-O(19) bond length is 2.17 Å. The Fe(4)-O(21) bond length is 2.16 Å. The Fe(4)-O(23) bond length is 2.31 Å. The Fe(4)-O(25) bond length is 2.19 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(27), one O(3), and one O(5) atom. The C(1)-O(27) bond length is 1.30 Å. The C(1)-O(3) bond length is 1.30 Å. The C(1)-O(5) bond length is 1.31 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(28), one O(4), and one O(6) atom. The C(2)-O(28) bond length is 1.30 Å. The C(2)-O(4) bond length is 1.30 Å. The C(2)-O(6) bond length is 1.31 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(1), one O(23), and one O(25) atom. The C(3)-O(1) bond length is 1.30 Å. The C(3)-O(23) bond length is 1.30 Å. The C(3)-O(25) bond length is 1.30 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(2), one O(24), and one O(26) atom. The C(4)-O(2) bond length is 1.30 Å. The C(4)-O(24) bond length is 1.30 Å. The C(4)-O(26) bond length is 1.30 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(15), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid, and corners with two equivalent Fe(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 51-61°. The P(1)-O(11) bond length is 1.57 Å. The P(1)-O(15) bond length is 1.55 Å. The P(1)-O(7) bond length is 1.55 Å. The P(1)-O(9) bond length is 1.56 Å. In the second P site, P(2) is bonded to one O(10), one O(12), one O(16), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O5 trigonal bipyramid, and corners with two equivalent Fe(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 51-61°. The P(2)-O(10) bond length is 1.56 Å. The P(2)-O(12) bond length is 1.57 Å. The P(2)-O(16) bond length is 1.55 Å. The P(2)-O(8) bond length is 1.55 Å. In the third P site, P(3) is bonded to one O(13), one O(17), one O(19), and one O(21) atom to form PO4 tetrahedra that share corners with two equivalent Fe(4)O6 octahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid,  a cornercorner with one Li(4)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 44-51°. The P(3)-O(13) bond length is 1.56 Å. The P(3)-O(17) bond length is 1.56 Å. The P(3)-O(19) bond length is 1.56 Å. The P(3)-O(21) bond length is 1.56 Å. In the fourth P site, P(4) is bonded to one O(14), one O(18), one O(20), and one O(22) atom to form PO4 tetrahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O5 trigonal bipyramid,  a cornercorner with one Li(4)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-50°. The P(4)-O(14) bond length is 1.56 Å. The P(4)-O(18) bond length is 1.56 Å. The P(4)-O(20) bond length is 1.56 Å. The P(4)-O(22) bond length is 1.56 Å. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(3), one Li(1), and one C(3) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(4), one Li(2), and one C(4) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(4), one Li(6), and one C(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(3), one Li(5), and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Na(3), one Fe(3), and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Na(4), one Fe(1), and one C(2) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Na(1), one Na(3), one Na(4), one Fe(3), and one P(1) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Na(2), one Na(3), one Na(4), one Fe(1), and one P(2) atom. In the ninth O site, O(9) is bonded to one Na(1), one Li(2), one Fe(3), and one P(1) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(23)Na2LiFeC trigonal bipyramid and  an edgeedge with one O(14)NaLiFeP trigonal pyramid. In the tenth O site, O(10) is bonded to one Na(2), one Li(1), one Fe(1), and one P(2) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(24)Na2LiFeC trigonal bipyramid and  an edgeedge with one O(13)NaLiFeP trigonal pyramid. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(3), one Li(1), one Fe(4), and one P(1) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(4), one Li(2), one Fe(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded to one Na(3), one Li(1), one Fe(1), and one P(3) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(21)Li2FeP trigonal pyramid and  an edgeedge with one O(10)NaLiFeP trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Na(4), one Li(2), one Fe(3), and one P(4) atom to form distorted ONaLiFeP trigonal pyramids that share  a cornercorner with one O(22)Li2FeP trigonal pyramid and  an edgeedge with one O(9)NaLiFeP trigonal pyramid. In the fifteenth O site, O(15) is bonded in a distorted rectangular see-saw-like geometry to one Na(5), one Li(3), one Fe(2), and one P(1) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Na(6), one Li(4), one Fe(4), and one P(2) atom. In the seventeenth O site, O(17) is bonded in a 4-coordinate geometry to one Na(5), one Li(3), one Fe(3), and one P(3) atom. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Na(6), one Li(4), one Fe(1), and one P(4) atom. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Na(5), one Na(6), one Li(5), one Fe(4), and one P(3) atom. In the twentieth O site, O(20) is bonded in a 5-coordinate geometry to one Na(5), one Na(6), one Li(6), one Fe(2), and one P(4) atom. In the twenty-first O site, O(21) is bonded to one Li(4), one Li(5), one Fe(4), and one P(3) atom to form distorted OLi2FeP trigonal pyramids that share  a cornercorner with one O(23)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(24)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(27)NaLi2C trigonal pyramid,  a cornercorner with one O(28)NaLi2C trigonal pyramid, and  a cornercorner with one O(13)NaLiFeP trigonal pyramid. In the twenty-second O site, O(22) is bonded to one Li(3), one Li(6), one Fe(2), and one P(4) atom to form distorted OLi2FeP trigonal pyramids that share  a cornercorner with one O(23)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(24)Na2LiFeC trigonal bipyramid,  a cornercorner with one O(27)NaLi2C trigonal pyramid,  a cornercorner with one O(28)NaLi2C trigonal pyramid, and  a cornercorner with one O(14)NaLiFeP trigonal pyramid. In the twenty-third O site, O(23) is bonded to one Na(1), one Na(5), one Li(3), one Fe(4), and one C(3) atom to form distorted ONa2LiFeC trigonal bipyramids that share  a cornercorner with one O(21)Li2FeP trigonal pyramid,  a cornercorner with one O(22)Li2FeP trigonal pyramid,  a cornercorner with one O(9)NaLiFeP trigonal pyramid, and corners with two equivalent O(27)NaLi2C trigonal pyramids. In the twenty-fourth O site, O(24) is bonded to one Na(2), one Na(6), one Li(4), one Fe(2), and one C(4) atom to form distorted ONa2LiFeC trigonal bipyramids that share  a cornercorner with one O(21)Li2FeP trigonal pyramid,  a cornercorner with one O(22)Li2FeP trigonal pyramid,  a cornercorner with one O(10)NaLiFeP trigonal pyramid, and corners with two equivalent O(28)NaLi2C trigonal pyramids. In the twenty-fifth O site, O(25) is bonded in a 4-coordinate geometry to one Na(2), one Na(6), one Fe(4), and one C(3) atom. In the twenty-sixth O site, O(26) is bonded in a 4-coordinate geometry to one Na(1), one Na(5), one Fe(2), and one C(4) atom. In the twenty-seventh O site, O(27) is bonded to one Na(5), one Li(3), one Li(5), and one C(1) atom to form distorted ONaLi2C trigonal pyramids that share corners with two equivalent O(23)Na2LiFeC trigonal bipyramids,  a cornercorner with one O(21)Li2FeP trigonal pyramid, and  a cornercorner with one O(22)Li2FeP trigonal pyramid. In the twenty-eighth O site, O(28) is bonded to one Na(6), one Li(4), one Li(6), and one C(2) atom to form distorted ONaLi2C trigonal pyramids that share corners with two equivalent O(24)Na2LiFeC trigonal bipyramids,  a cornercorner with one O(21)Li2FeP trigonal pyramid, and  a cornercorner with one O(22)Li2FeP trigonal pyramid.