Na2LiMnCPO7 crystallizes in the triclinic P1 space group. There are eight 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(8) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(12), one O(4), one O(5), one O(7), and one O(9) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(4), one O(5), and one O(8) atom. In the fourth Na site, Na(4) is bonded in a 7-coordinate geometry to one O(13), one O(14), one O(2), one O(3), one O(6), one O(7), and one O(9) atom. In the fifth Na site, Na(5) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(14), one O(2), one O(3), one O(6), and one O(8) atom. In the sixth Na site, Na(6) is bonded in a 7-coordinate geometry to one O(15), one O(16), one O(19), one O(21), one O(23), one O(26), and one O(27) atom. In the seventh Na site, Na(7) is bonded in a 7-coordinate geometry to one O(17), one O(18), one O(19), one O(21), one O(24), one O(25), and one O(28) atom. In the eighth Na site, Na(8) is bonded in a 7-coordinate geometry to one O(17), one O(18), one O(20), one O(22), one O(24), one O(25), and one O(28) atom. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(24), one O(25), and one O(9) atom. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(15), one O(16), one O(22), and one O(27) atom. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(19), one O(20), one O(27), one O(4), and one O(5) atom. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(21), one O(22), one O(28), and one O(3) atom. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(14), one O(16), one O(3), one O(5), one O(7), and one O(8) atom. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(18), one O(4), one O(6), and one O(9) atom. In the third Mn site, Mn(3) is bonded to one O(11), one O(17), one O(19), one O(20), one O(23), and one O(25) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one O(13), one O(15), one O(21), one O(22), one O(24), and one O(26) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. 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(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra and  a cornercorner with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-61°. In the second P site, P(2) is bonded to one O(10), one O(13), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra and  a cornercorner with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-56°. In the third P site, P(3) is bonded to one O(12), one O(16), one O(19), and one O(20) atom to form PO4 tetrahedra that share corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-50°. In the fourth P site, P(4) is bonded to one O(14), one O(18), one O(21), and one O(22) atom to form PO4 tetrahedra that share corners with two equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-50°. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Na(3), and one C(3) atom to form distorted edge-sharing ONa3C trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Na(5), one Li(1), and one C(4) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Na(4), one Na(5), one Li(4), one Mn(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Na(2), one Na(3), one Li(3), one Mn(2), and one C(2) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to one Na(2), one Na(3), one Li(3), one Mn(1), and one C(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(4), one Na(5), one Mn(2), 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(2), one Na(4), one Mn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Na(5), one Mn(1), and one P(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Na(2), one Na(4), one Li(1), one Mn(2), and one P(2) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Na(3), one Na(5), one Li(1), one Mn(2), and one P(2) atom. In the eleventh O site, O(11) is bonded to one Na(2), one Na(3), one Mn(3), and one P(1) atom to form distorted ONa2MnP tetrahedra that share  a cornercorner with one O(15)NaLiMnP trigonal pyramid,  a cornercorner with one O(20)NaLiMnP trigonal pyramid, and  an edgeedge with one O(1)Na3C trigonal pyramid. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Na(2), one Na(3), one Mn(2), and one P(3) atom. In the thirteenth O site, O(13) is bonded to one Na(4), one Na(5), one Mn(4), and one P(2) atom to form distorted corner-sharing ONa2MnP tetrahedra. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Na(4), one Na(5), one Mn(1), and one P(4) atom. In the fifteenth O site, O(15) is bonded to one Na(6), one Li(2), one Mn(4), and one P(1) atom to form distorted ONaLiMnP trigonal pyramids that share  a cornercorner with one O(11)Na2MnP tetrahedra,  a cornercorner with one O(13)Na2MnP tetrahedra, and corners with two equivalent O(16)NaLiMnP tetrahedra. In the sixteenth O site, O(16) is bonded to one Na(6), one Li(2), one Mn(1), and one P(3) atom to form distorted corner-sharing ONaLiMnP tetrahedra. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Na(7), one Na(8), one Mn(3), and one P(2) atom. In the eighteenth O site, O(18) is bonded to one Na(7), one Na(8), one Mn(2), and one P(4) atom to form distorted ONa2MnP tetrahedra that share  a cornercorner with one O(20)NaLiMnP trigonal pyramid and  an edgeedge with one O(28)Na2LiC tetrahedra. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Na(6), one Na(7), one Li(3), one Mn(3), and one P(3) atom. In the twentieth O site, O(20) is bonded to one Na(8), one Li(3), one Mn(3), and one P(3) atom to form distorted ONaLiMnP trigonal pyramids that share  a cornercorner with one O(28)Na2LiC tetrahedra,  a cornercorner with one O(11)Na2MnP tetrahedra,  a cornercorner with one O(18)Na2MnP tetrahedra, and  a cornercorner with one O(16)NaLiMnP tetrahedra. In the twenty-first O site, O(21) is bonded in a 5-coordinate geometry to one Na(6), one Na(7), one Li(4), one Mn(4), and one P(4) atom. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Na(8), one Li(2), one Li(4), one Mn(4), and one P(4) atom. In the twenty-third O site, O(23) is bonded in a 1-coordinate geometry to one Na(1), one Na(6), one Mn(3), and one C(3) atom. In the twenty-fourth O site, O(24) is bonded in a 5-coordinate geometry to one Na(7), one Na(8), one Li(1), one Mn(4), and one C(4) atom. In the twenty-fifth O site, O(25) is bonded in a 5-coordinate geometry to one Na(7), one Na(8), one Li(1), one Mn(3), 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(6), one Mn(4), and one C(4) atom. In the twenty-seventh O site, O(27) is bonded in a distorted rectangular see-saw-like geometry to one Na(6), one Li(2), one Li(3), and one C(1) atom. In the twenty-eighth O site, O(28) is bonded to one Na(7), one Na(8), one Li(4), and one C(2) atom to form distorted ONa2LiC tetrahedra that share  a cornercorner with one O(20)NaLiMnP trigonal pyramid and  an edgeedge with one O(18)Na2MnP tetrahedra.
Na2LiMnCPO7 crystallizes in the triclinic P1 space group. There are eight 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(8) atom. The Na(1)-O(1) bond length is 2.35 Å. The Na(1)-O(2) bond length is 2.83 Å. The Na(1)-O(23) bond length is 2.58 Å. The Na(1)-O(26) bond length is 2.27 Å. The Na(1)-O(7) bond length is 2.42 Å. The Na(1)-O(8) bond length is 2.51 Å. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(12), one O(4), one O(5), one O(7), and one O(9) atom. The Na(2)-O(1) bond length is 2.27 Å. The Na(2)-O(11) bond length is 2.43 Å. The Na(2)-O(12) bond length is 2.36 Å. The Na(2)-O(4) bond length is 2.64 Å. The Na(2)-O(5) bond length is 2.50 Å. The Na(2)-O(7) bond length is 2.86 Å. The Na(2)-O(9) bond length is 2.45 Å. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(4), one O(5), and one O(8) atom. The Na(3)-O(1) bond length is 2.28 Å. The Na(3)-O(10) bond length is 2.44 Å. The Na(3)-O(11) bond length is 2.43 Å. The Na(3)-O(12) bond length is 2.37 Å. The Na(3)-O(4) bond length is 2.64 Å. The Na(3)-O(5) bond length is 2.48 Å. The Na(3)-O(8) bond length is 2.91 Å. In the fourth Na site, Na(4) is bonded in a 7-coordinate geometry to one O(13), one O(14), one O(2), one O(3), one O(6), one O(7), and one O(9) atom. The Na(4)-O(13) bond length is 2.43 Å. The Na(4)-O(14) bond length is 2.36 Å. The Na(4)-O(2) bond length is 2.30 Å. The Na(4)-O(3) bond length is 2.67 Å. The Na(4)-O(6) bond length is 2.44 Å. The Na(4)-O(7) bond length is 2.48 Å. The Na(4)-O(9) bond length is 2.80 Å. In the fifth Na site, Na(5) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(14), one O(2), one O(3), one O(6), and one O(8) atom. The Na(5)-O(10) bond length is 2.80 Å. The Na(5)-O(13) bond length is 2.43 Å. The Na(5)-O(14) bond length is 2.37 Å. The Na(5)-O(2) bond length is 2.31 Å. The Na(5)-O(3) bond length is 2.67 Å. The Na(5)-O(6) bond length is 2.44 Å. The Na(5)-O(8) bond length is 2.46 Å. In the sixth Na site, Na(6) is bonded in a 7-coordinate geometry to one O(15), one O(16), one O(19), one O(21), one O(23), one O(26), and one O(27) atom. The Na(6)-O(15) bond length is 2.39 Å. The Na(6)-O(16) bond length is 2.46 Å. The Na(6)-O(19) bond length is 2.77 Å. The Na(6)-O(21) bond length is 2.45 Å. The Na(6)-O(23) bond length is 2.48 Å. The Na(6)-O(26) bond length is 2.61 Å. The Na(6)-O(27) bond length is 2.38 Å. In the seventh Na site, Na(7) is bonded in a 7-coordinate geometry to one O(17), one O(18), one O(19), one O(21), one O(24), one O(25), and one O(28) atom. The Na(7)-O(17) bond length is 2.37 Å. The Na(7)-O(18) bond length is 2.45 Å. The Na(7)-O(19) bond length is 2.49 Å. The Na(7)-O(21) bond length is 2.84 Å. The Na(7)-O(24) bond length is 2.41 Å. The Na(7)-O(25) bond length is 2.58 Å. The Na(7)-O(28) bond length is 2.31 Å. In the eighth Na site, Na(8) is bonded in a 7-coordinate geometry to one O(17), one O(18), one O(20), one O(22), one O(24), one O(25), and one O(28) atom. The Na(8)-O(17) bond length is 2.37 Å. The Na(8)-O(18) bond length is 2.42 Å. The Na(8)-O(20) bond length is 2.40 Å. The Na(8)-O(22) bond length is 2.91 Å. The Na(8)-O(24) bond length is 2.39 Å. The Na(8)-O(25) bond length is 2.58 Å. The Na(8)-O(28) bond length is 2.30 Å. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(24), one O(25), and one O(9) atom. The Li(1)-O(10) bond length is 2.35 Å. The Li(1)-O(2) bond length is 2.26 Å. The Li(1)-O(24) bond length is 2.52 Å. The Li(1)-O(25) bond length is 2.13 Å. The Li(1)-O(9) bond length is 2.33 Å. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(15), one O(16), one O(22), and one O(27) atom. The Li(2)-O(15) bond length is 2.20 Å. The Li(2)-O(16) bond length is 2.17 Å. The Li(2)-O(22) bond length is 2.27 Å. The Li(2)-O(27) bond length is 2.13 Å. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(19), one O(20), one O(27), one O(4), and one O(5) atom. The Li(3)-O(19) bond length is 2.33 Å. The Li(3)-O(20) bond length is 2.28 Å. The Li(3)-O(27) bond length is 2.20 Å. The Li(3)-O(4) bond length is 2.13 Å. The Li(3)-O(5) bond length is 2.59 Å. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(21), one O(22), one O(28), and one O(3) atom. The Li(4)-O(21) bond length is 2.34 Å. The Li(4)-O(22) bond length is 2.27 Å. The Li(4)-O(28) bond length is 2.15 Å. The Li(4)-O(3) bond length is 2.10 Å. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(14), one O(16), one O(3), one O(5), one O(7), and one O(8) atom. The Mn(1)-O(14) bond length is 2.13 Å. The Mn(1)-O(16) bond length is 2.10 Å. The Mn(1)-O(3) bond length is 2.61 Å. The Mn(1)-O(5) bond length is 2.24 Å. The Mn(1)-O(7) bond length is 2.20 Å. The Mn(1)-O(8) bond length is 2.20 Å. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(18), one O(4), one O(6), and one O(9) atom. The Mn(2)-O(10) bond length is 2.23 Å. The Mn(2)-O(12) bond length is 2.16 Å. The Mn(2)-O(18) bond length is 2.08 Å. The Mn(2)-O(4) bond length is 2.56 Å. The Mn(2)-O(6) bond length is 2.19 Å. The Mn(2)-O(9) bond length is 2.23 Å. In the third Mn site, Mn(3) is bonded to one O(11), one O(17), one O(19), one O(20), one O(23), and one O(25) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. The Mn(3)-O(11) bond length is 2.08 Å. The Mn(3)-O(17) bond length is 2.14 Å. The Mn(3)-O(19) bond length is 2.24 Å. The Mn(3)-O(20) bond length is 2.22 Å. The Mn(3)-O(23) bond length is 2.20 Å. The Mn(3)-O(25) bond length is 2.47 Å. In the fourth Mn site, Mn(4) is bonded to one O(13), one O(15), one O(21), one O(22), one O(24), and one O(26) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. The Mn(4)-O(13) bond length is 2.09 Å. The Mn(4)-O(15) bond length is 2.15 Å. The Mn(4)-O(21) bond length is 2.23 Å. The Mn(4)-O(22) bond length is 2.23 Å. The Mn(4)-O(24) bond length is 2.28 Å. The Mn(4)-O(26) bond length is 2.32 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 1.29 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 1.29 Å. The C(2)-O(4) bond length is 1.31 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 1.29 Å. The C(3)-O(23) bond length is 1.31 Å. The C(3)-O(25) bond length is 1.31 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 1.29 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(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra and  a cornercorner with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-61°. The P(1)-O(11) bond length is 1.56 Å. The P(1)-O(15) bond length is 1.56 Å. The P(1)-O(7) bond length is 1.56 Å. The P(1)-O(8) bond length is 1.56 Å. In the second P site, P(2) is bonded to one O(10), one O(13), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra and  a cornercorner with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-56°. The P(2)-O(10) bond length is 1.56 Å. The P(2)-O(13) bond length is 1.56 Å. The P(2)-O(17) bond length is 1.55 Å. The P(2)-O(9) bond length is 1.56 Å. In the third P site, P(3) is bonded to one O(12), one O(16), one O(19), and one O(20) atom to form PO4 tetrahedra that share corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-50°. The P(3)-O(12) bond length is 1.56 Å. The P(3)-O(16) bond length is 1.57 Å. The P(3)-O(19) bond length is 1.56 Å. The P(3)-O(20) bond length is 1.55 Å. In the fourth P site, P(4) is bonded to one O(14), one O(18), one O(21), and one O(22) atom to form PO4 tetrahedra that share corners with two equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-50°. The P(4)-O(14) bond length is 1.55 Å. The P(4)-O(18) bond length is 1.56 Å. The P(4)-O(21) bond length is 1.55 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 to one Na(1), one Na(2), one Na(3), and one C(3) atom to form distorted edge-sharing ONa3C trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Na(5), one Li(1), and one C(4) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Na(4), one Na(5), one Li(4), one Mn(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Na(2), one Na(3), one Li(3), one Mn(2), and one C(2) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to one Na(2), one Na(3), one Li(3), one Mn(1), and one C(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(4), one Na(5), one Mn(2), 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(2), one Na(4), one Mn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Na(5), one Mn(1), and one P(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Na(2), one Na(4), one Li(1), one Mn(2), and one P(2) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Na(3), one Na(5), one Li(1), one Mn(2), and one P(2) atom. In the eleventh O site, O(11) is bonded to one Na(2), one Na(3), one Mn(3), and one P(1) atom to form distorted ONa2MnP tetrahedra that share  a cornercorner with one O(15)NaLiMnP trigonal pyramid,  a cornercorner with one O(20)NaLiMnP trigonal pyramid, and  an edgeedge with one O(1)Na3C trigonal pyramid. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Na(2), one Na(3), one Mn(2), and one P(3) atom. In the thirteenth O site, O(13) is bonded to one Na(4), one Na(5), one Mn(4), and one P(2) atom to form distorted corner-sharing ONa2MnP tetrahedra. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Na(4), one Na(5), one Mn(1), and one P(4) atom. In the fifteenth O site, O(15) is bonded to one Na(6), one Li(2), one Mn(4), and one P(1) atom to form distorted ONaLiMnP trigonal pyramids that share  a cornercorner with one O(11)Na2MnP tetrahedra,  a cornercorner with one O(13)Na2MnP tetrahedra, and corners with two equivalent O(16)NaLiMnP tetrahedra. In the sixteenth O site, O(16) is bonded to one Na(6), one Li(2), one Mn(1), and one P(3) atom to form distorted corner-sharing ONaLiMnP tetrahedra. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Na(7), one Na(8), one Mn(3), and one P(2) atom. In the eighteenth O site, O(18) is bonded to one Na(7), one Na(8), one Mn(2), and one P(4) atom to form distorted ONa2MnP tetrahedra that share  a cornercorner with one O(20)NaLiMnP trigonal pyramid and  an edgeedge with one O(28)Na2LiC tetrahedra. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Na(6), one Na(7), one Li(3), one Mn(3), and one P(3) atom. In the twentieth O site, O(20) is bonded to one Na(8), one Li(3), one Mn(3), and one P(3) atom to form distorted ONaLiMnP trigonal pyramids that share  a cornercorner with one O(28)Na2LiC tetrahedra,  a cornercorner with one O(11)Na2MnP tetrahedra,  a cornercorner with one O(18)Na2MnP tetrahedra, and  a cornercorner with one O(16)NaLiMnP tetrahedra. In the twenty-first O site, O(21) is bonded in a 5-coordinate geometry to one Na(6), one Na(7), one Li(4), one Mn(4), and one P(4) atom. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Na(8), one Li(2), one Li(4), one Mn(4), and one P(4) atom. In the twenty-third O site, O(23) is bonded in a 1-coordinate geometry to one Na(1), one Na(6), one Mn(3), and one C(3) atom. In the twenty-fourth O site, O(24) is bonded in a 5-coordinate geometry to one Na(7), one Na(8), one Li(1), one Mn(4), and one C(4) atom. In the twenty-fifth O site, O(25) is bonded in a 5-coordinate geometry to one Na(7), one Na(8), one Li(1), one Mn(3), 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(6), one Mn(4), and one C(4) atom. In the twenty-seventh O site, O(27) is bonded in a distorted rectangular see-saw-like geometry to one Na(6), one Li(2), one Li(3), and one C(1) atom. In the twenty-eighth O site, O(28) is bonded to one Na(7), one Na(8), one Li(4), and one C(2) atom to form distorted ONa2LiC tetrahedra that share  a cornercorner with one O(20)NaLiMnP trigonal pyramid and  an edgeedge with one O(18)Na2MnP tetrahedra.