NaMnCPO7 crystallizes in the monoclinic Cm space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(9) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(14), one O(15), one O(16), one O(17), and one O(18) atom. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(13), one O(3), one O(4), one O(8), and two equivalent O(7) atoms to form MnO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(10), one O(12), one O(2), one O(5), and two equivalent O(6) atoms to form MnO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. In the third Mn site, Mn(3) is bonded to one O(11), one O(14), one O(15), one O(16), one O(17), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(18), one O(3), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(19), one O(2), and one O(5) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(1), one O(16), and one O(17) atom. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-43°. In the second P site, P(2) is bonded to one O(12), one O(8), and two equivalent O(14) atoms to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-46°. In the third P site, P(3) is bonded to one O(10), one O(13), and two equivalent O(15) atoms to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-42°. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one C(3) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na(1), one Mn(2), and one C(2) atom. In the third O site, O(3) is bonded in an L-shaped geometry to one Mn(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Mn(1), and one C(1) atom. In the fifth O site, O(5) is bonded in an L-shaped geometry to one Mn(2) and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(1), one Mn(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Mn(3), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na(1), one Mn(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(2), one Mn(3), and one P(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to two equivalent Na(2), one Mn(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Mn(3), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Na(2), one Mn(3), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Na(2), one Mn(3), and one C(3) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Na(2), one Mn(3), and one C(3) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to two equivalent Na(2) and one C(1) atom. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one C(2) atom.
NaMnCPO7 crystallizes in the monoclinic Cm space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(9) atom. The Na(1)-O(1) bond length is 2.22 Å. The Na(1)-O(10) bond length is 2.47 Å. The Na(1)-O(2) bond length is 2.56 Å. The Na(1)-O(4) bond length is 2.46 Å. The Na(1)-O(6) bond length is 2.46 Å. The Na(1)-O(9) bond length is 2.69 Å. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(14), one O(15), one O(16), one O(17), and one O(18) atom. The Na(2)-O(11) bond length is 2.42 Å. The Na(2)-O(12) bond length is 2.86 Å. The Na(2)-O(14) bond length is 2.88 Å. The Na(2)-O(15) bond length is 2.52 Å. The Na(2)-O(16) bond length is 2.28 Å. The Na(2)-O(17) bond length is 2.36 Å. The Na(2)-O(18) bond length is 2.28 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(13), one O(3), one O(4), one O(8), and two equivalent O(7) atoms to form MnO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Mn(1)-O(13) bond length is 1.96 Å. The Mn(1)-O(3) bond length is 1.99 Å. The Mn(1)-O(4) bond length is 2.01 Å. The Mn(1)-O(8) bond length is 1.93 Å. Both Mn(1)-O(7) bond lengths are 1.92 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(12), one O(2), one O(5), and two equivalent O(6) atoms to form MnO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Mn(2)-O(10) bond length is 2.06 Å. The Mn(2)-O(12) bond length is 1.95 Å. The Mn(2)-O(2) bond length is 2.01 Å. The Mn(2)-O(5) bond length is 1.97 Å. Both Mn(2)-O(6) bond lengths are 1.94 Å. In the third Mn site, Mn(3) is bonded to one O(11), one O(14), one O(15), one O(16), one O(17), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Mn(3)-O(11) bond length is 1.98 Å. The Mn(3)-O(14) bond length is 1.92 Å. The Mn(3)-O(15) bond length is 1.94 Å. The Mn(3)-O(16) bond length is 1.98 Å. The Mn(3)-O(17) bond length is 2.00 Å. The Mn(3)-O(9) bond length is 1.95 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(18), one O(3), and one O(4) atom. The C(1)-O(18) bond length is 1.25 Å. The C(1)-O(3) bond length is 1.30 Å. The C(1)-O(4) bond length is 1.33 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(19), one O(2), and one O(5) atom. The C(2)-O(19) bond length is 1.22 Å. The C(2)-O(2) bond length is 1.34 Å. The C(2)-O(5) bond length is 1.32 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(1), one O(16), and one O(17) atom. The C(3)-O(1) bond length is 1.23 Å. The C(3)-O(16) bond length is 1.33 Å. The C(3)-O(17) bond length is 1.32 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-43°. The P(1)-O(11) bond length is 1.54 Å. The P(1)-O(6) 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(12), one O(8), and two equivalent O(14) atoms to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-46°. The P(2)-O(12) bond length is 1.57 Å. The P(2)-O(8) bond length is 1.53 Å. Both P(2)-O(14) bond lengths are 1.55 Å. In the third P site, P(3) is bonded to one O(10), one O(13), and two equivalent O(15) atoms to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-42°. The P(3)-O(10) bond length is 1.55 Å. The P(3)-O(13) bond length is 1.54 Å. Both P(3)-O(15) bond lengths are 1.56 Å. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one C(3) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na(1), one Mn(2), and one C(2) atom. In the third O site, O(3) is bonded in an L-shaped geometry to one Mn(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Mn(1), and one C(1) atom. In the fifth O site, O(5) is bonded in an L-shaped geometry to one Mn(2) and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(1), one Mn(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Mn(3), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na(1), one Mn(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(2), one Mn(3), and one P(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to two equivalent Na(2), one Mn(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Mn(3), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Na(2), one Mn(3), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Na(2), one Mn(3), and one C(3) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Na(2), one Mn(3), and one C(3) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to two equivalent Na(2) and one C(1) atom. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one C(2) atom.