The compound described by Na2LiMnCPO7 crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(12), one O(13), one O(4), one O(5), and two equivalent O(1) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(7) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(12), one O(13), one O(14), one O(8), one O(9), and two equivalent O(10) atoms. In the fourth Na site, Na(4) is bonded in a 6-coordinate geometry to one O(11), one O(12), one O(13), one O(14), one O(8), and one O(9) atom. There are two 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(5), one O(6), and one O(7) atom. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(14), and one O(2) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(12), one O(13), one O(6), and one O(8) atom to form distorted MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), one O(5), one O(7), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(14), one O(2), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(12), and one O(13) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with two equivalent Mn(2)O5 trigonal bipyramids. 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(11), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with two equivalent Mn(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 43-50°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Na(2), two equivalent Na(1), one Li(1), and one C(2) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Na(2), one Li(2), and one C(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Na(2), one Mn(2), and one C(1) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one Na(1), one Na(2), one Mn(2), and one P(1) atom. In the fifth O site, O(5) is bonded to one Na(1), one Li(1), one Mn(2), and one P(1) atom to form distorted ONaLiMnP trigonal pyramids that share  a cornercorner with one O(9)Na2MnP tetrahedra,  a cornercorner with one O(12)Na3MnC trigonal bipyramid, and  an edgeedge with one O(7)NaLiMnP trigonal pyramid. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Li(1), one Mn(1), and one P(1) atom. In the seventh O site, O(7) is bonded to one Na(2), one Li(1), one Mn(2), and one P(2) atom to form distorted ONaLiMnP trigonal pyramids that share corners with two equivalent O(9)Na2MnP tetrahedra and  an edgeedge with one O(5)NaLiMnP trigonal pyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Na(3), one Na(4), one Mn(1), and one P(1) atom. In the ninth O site, O(9) is bonded to one Na(3), one Na(4), one Mn(2), and one P(2) atom to form distorted ONa2MnP tetrahedra that share corners with two equivalent O(12)Na3MnC trigonal bipyramids,  a cornercorner with one O(5)NaLiMnP trigonal pyramid, corners with two equivalent O(7)NaLiMnP trigonal pyramids, and  an edgeedge with one O(14)Na2LiC tetrahedra. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to two equivalent Na(3), one Li(2), one Mn(1), and one P(2) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(4), one Li(2), one Mn(1), and one P(2) atom. In the twelfth O site, O(12) is bonded to one Na(1), one Na(3), one Na(4), one Mn(1), and one C(2) atom to form distorted ONa3MnC trigonal bipyramids that share corners with two equivalent O(14)Na2LiC tetrahedra, corners with two equivalent O(9)Na2MnP tetrahedra, and  a cornercorner with one O(5)NaLiMnP trigonal pyramid. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Na(1), one Na(3), one Na(4), one Mn(1), and one C(2) atom. In the fourteenth O site, O(14) is bonded to one Na(3), one Na(4), one Li(2), and one C(1) atom to form distorted ONa2LiC tetrahedra that share corners with two equivalent O(12)Na3MnC trigonal bipyramids and  an edgeedge with one O(9)Na2MnP tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2LiMnPCO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.177
_cell_length_b   8.902
_cell_length_c   6.804
_cell_angle_alpha   92.406
_cell_angle_beta   89.870
_cell_angle_gamma   88.439
_symmetry_Int_Tables_number   1
_cell_volume   313.196
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Na  Na0  1  0.756  0.087  0.271  1.0
  Na  Na1  1  0.255  0.245  0.985  1.0
  Na  Na2  1  0.746  0.746  0.511  1.0
  Na  Na3  1  0.750  0.748  0.001  1.0
  Li  Li4  1  0.227  0.291  0.452  1.0
  Li  Li5  1  0.235  0.895  0.736  1.0
  Mn  Mn6  1  0.226  0.644  0.254  1.0
  Mn  Mn7  1  0.786  0.361  0.741  1.0
  P  P8  1  0.722  0.414  0.248  1.0
  P  P9  1  0.295  0.587  0.748  1.0
  C  C10  1  0.716  0.045  0.752  1.0
  C  C11  1  0.268  0.949  0.265  1.0
  O  O12  1  0.289  0.094  0.267  1.0
  O  O13  1  0.965  0.060  0.759  1.0
  O  O14  1  0.563  0.162  0.733  1.0
  O  O15  1  0.799  0.321  0.058  1.0
  O  O16  1  0.836  0.326  0.423  1.0
  O  O17  1  0.420  0.426  0.267  1.0
  O  O18  1  0.185  0.426  0.729  1.0
  O  O19  1  0.826  0.576  0.249  1.0
  O  O20  1  0.596  0.571  0.747  1.0
  O  O21  1  0.207  0.688  0.576  1.0
  O  O22  1  0.204  0.674  0.939  1.0
  O  O23  1  0.473  0.861  0.262  1.0
  O  O24  1  0.042  0.888  0.265  1.0
  O  O25  1  0.614  0.914  0.763  1.0
[/CIF]
.
The compound described by Na2LiMnCPO7 crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(12), one O(13), one O(4), one O(5), and two equivalent O(1) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(7) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(12), one O(13), one O(14), one O(8), one O(9), and two equivalent O(10) atoms. In the fourth Na site, Na(4) is bonded in a 6-coordinate geometry to one O(11), one O(12), one O(13), one O(14), one O(8), and one O(9) atom. There are two 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(5), one O(6), and one O(7) atom. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(14), and one O(2) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(12), one O(13), one O(6), and one O(8) atom to form distorted MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), one O(5), one O(7), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(14), one O(2), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(12), and one O(13) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with two equivalent Mn(2)O5 trigonal bipyramids. 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(11), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with two equivalent Mn(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 43-50°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Na(2), two equivalent Na(1), one Li(1), and one C(2) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Na(2), one Li(2), and one C(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Na(2), one Mn(2), and one C(1) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one Na(1), one Na(2), one Mn(2), and one P(1) atom. In the fifth O site, O(5) is bonded to one Na(1), one Li(1), one Mn(2), and one P(1) atom to form distorted ONaLiMnP trigonal pyramids that share  a cornercorner with one O(9)Na2MnP tetrahedra,  a cornercorner with one O(12)Na3MnC trigonal bipyramid, and  an edgeedge with one O(7)NaLiMnP trigonal pyramid. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Li(1), one Mn(1), and one P(1) atom. In the seventh O site, O(7) is bonded to one Na(2), one Li(1), one Mn(2), and one P(2) atom to form distorted ONaLiMnP trigonal pyramids that share corners with two equivalent O(9)Na2MnP tetrahedra and  an edgeedge with one O(5)NaLiMnP trigonal pyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Na(3), one Na(4), one Mn(1), and one P(1) atom. In the ninth O site, O(9) is bonded to one Na(3), one Na(4), one Mn(2), and one P(2) atom to form distorted ONa2MnP tetrahedra that share corners with two equivalent O(12)Na3MnC trigonal bipyramids,  a cornercorner with one O(5)NaLiMnP trigonal pyramid, corners with two equivalent O(7)NaLiMnP trigonal pyramids, and  an edgeedge with one O(14)Na2LiC tetrahedra. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to two equivalent Na(3), one Li(2), one Mn(1), and one P(2) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(4), one Li(2), one Mn(1), and one P(2) atom. In the twelfth O site, O(12) is bonded to one Na(1), one Na(3), one Na(4), one Mn(1), and one C(2) atom to form distorted ONa3MnC trigonal bipyramids that share corners with two equivalent O(14)Na2LiC tetrahedra, corners with two equivalent O(9)Na2MnP tetrahedra, and  a cornercorner with one O(5)NaLiMnP trigonal pyramid. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Na(1), one Na(3), one Na(4), one Mn(1), and one C(2) atom. In the fourteenth O site, O(14) is bonded to one Na(3), one Na(4), one Li(2), and one C(1) atom to form distorted ONa2LiC tetrahedra that share corners with two equivalent O(12)Na3MnC trigonal bipyramids and  an edgeedge with one O(9)Na2MnP tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2LiMnPCO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.177
_cell_length_b   8.902
_cell_length_c   6.804
_cell_angle_alpha   92.406
_cell_angle_beta   89.870
_cell_angle_gamma   88.439
_symmetry_Int_Tables_number   1
_cell_volume   313.196
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Na  Na0  1  0.756  0.087  0.271  1.0
  Na  Na1  1  0.255  0.245  0.985  1.0
  Na  Na2  1  0.746  0.746  0.511  1.0
  Na  Na3  1  0.750  0.748  0.001  1.0
  Li  Li4  1  0.227  0.291  0.452  1.0
  Li  Li5  1  0.235  0.895  0.736  1.0
  Mn  Mn6  1  0.226  0.644  0.254  1.0
  Mn  Mn7  1  0.786  0.361  0.741  1.0
  P  P8  1  0.722  0.414  0.248  1.0
  P  P9  1  0.295  0.587  0.748  1.0
  C  C10  1  0.716  0.045  0.752  1.0
  C  C11  1  0.268  0.949  0.265  1.0
  O  O12  1  0.289  0.094  0.267  1.0
  O  O13  1  0.965  0.060  0.759  1.0
  O  O14  1  0.563  0.162  0.733  1.0
  O  O15  1  0.799  0.321  0.058  1.0
  O  O16  1  0.836  0.326  0.423  1.0
  O  O17  1  0.420  0.426  0.267  1.0
  O  O18  1  0.185  0.426  0.729  1.0
  O  O19  1  0.826  0.576  0.249  1.0
  O  O20  1  0.596  0.571  0.747  1.0
  O  O21  1  0.207  0.688  0.576  1.0
  O  O22  1  0.204  0.674  0.939  1.0
  O  O23  1  0.473  0.861  0.262  1.0
  O  O24  1  0.042  0.888  0.265  1.0
  O  O25  1  0.614  0.914  0.763  1.0
[/CIF]
.