The material structure described by NaMg(CoO2)3 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and one O(6) atom. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MgO6 octahedra that share corners with three equivalent Co(1)O5 trigonal bipyramids and  an edgeedge with one Co(1)O5 trigonal bipyramid. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(3), one O(5), and one O(6) atom to form CoO5 trigonal bipyramids that share corners with three equivalent Mg(1)O6 octahedra and  an edgeedge with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-51°. In the second Co site, Co(2) is bonded in a distorted see-saw-like geometry to one O(1), one O(3), one O(4), and one O(5) atom. In the third Co site, Co(3) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Na(1), one Mg(1), one Co(1), one Co(2), and one Co(3) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Na(1), one Mg(1), one Co(1), and one Co(3) atom. In the third O site, O(3) is bonded to one Mg(1), one Co(1), one Co(2), and one Co(3) atom to form distorted OMgCo3 trigonal pyramids that share corners with three equivalent O(6)NaMgCo2 tetrahedra, corners with two equivalent O(5)NaMgCo3 trigonal bipyramids, corners with three equivalent O(4)NaMgCo2 trigonal pyramids, and  an edgeedge with one O(5)NaMgCo3 trigonal bipyramid. In the fourth O site, O(4) is bonded to one Na(1), one Mg(1), one Co(2), and one Co(3) atom to form distorted ONaMgCo2 trigonal pyramids that share corners with three equivalent O(6)NaMgCo2 tetrahedra, corners with two equivalent O(5)NaMgCo3 trigonal bipyramids, corners with three equivalent O(3)MgCo3 trigonal pyramids, and  an edgeedge with one O(5)NaMgCo3 trigonal bipyramid. In the fifth O site, O(5) is bonded to one Na(1), one Mg(1), one Co(1), one Co(2), and one Co(3) atom to form distorted ONaMgCo3 trigonal bipyramids that share corners with two equivalent O(6)NaMgCo2 tetrahedra, corners with two equivalent O(3)MgCo3 trigonal pyramids, corners with two equivalent O(4)NaMgCo2 trigonal pyramids,  an edgeedge with one O(6)NaMgCo2 tetrahedra,  an edgeedge with one O(3)MgCo3 trigonal pyramid, and  an edgeedge with one O(4)NaMgCo2 trigonal pyramid. In the sixth O site, O(6) is bonded to one Na(1), one Mg(1), one Co(1), and one Co(3) atom to form distorted ONaMgCo2 tetrahedra that share corners with two equivalent O(5)NaMgCo3 trigonal bipyramids, corners with three equivalent O(3)MgCo3 trigonal pyramids, corners with three equivalent O(4)NaMgCo2 trigonal pyramids, and  an edgeedge with one O(5)NaMgCo3 trigonal bipyramid. is represented by the CIF file [CIF]
data_NaMg(CoO2)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.886
_cell_length_b   5.148
_cell_length_c   6.015
_cell_angle_alpha   60.855
_cell_angle_beta   56.909
_cell_angle_gamma   31.934
_symmetry_Int_Tables_number   1
_cell_volume   121.760
_cell_formula_units_Z   1
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  0.205  0.007  0.387  1.0
  Mg  Mg1  1  0.838  0.957  0.552  1.0
  Co  Co2  1  0.045  0.907  0.992  1.0
  Co  Co3  1  0.472  0.894  0.708  1.0
  Co  Co4  1  0.621  0.010  0.108  1.0
  O  O5  1  0.072  0.274  0.787  1.0
  O  O6  1  0.223  0.661  0.233  1.0
  O  O7  1  0.446  0.226  0.835  1.0
  O  O8  1  0.617  0.644  0.373  1.0
  O  O9  1  0.809  0.163  0.809  1.0
  O  O10  1  0.844  0.841  0.271  1.0
[/CIF]
.
The material structure described by NaMg(CoO2)3 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and one O(6) atom. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MgO6 octahedra that share corners with three equivalent Co(1)O5 trigonal bipyramids and  an edgeedge with one Co(1)O5 trigonal bipyramid. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(3), one O(5), and one O(6) atom to form CoO5 trigonal bipyramids that share corners with three equivalent Mg(1)O6 octahedra and  an edgeedge with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-51°. In the second Co site, Co(2) is bonded in a distorted see-saw-like geometry to one O(1), one O(3), one O(4), and one O(5) atom. In the third Co site, Co(3) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Na(1), one Mg(1), one Co(1), one Co(2), and one Co(3) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Na(1), one Mg(1), one Co(1), and one Co(3) atom. In the third O site, O(3) is bonded to one Mg(1), one Co(1), one Co(2), and one Co(3) atom to form distorted OMgCo3 trigonal pyramids that share corners with three equivalent O(6)NaMgCo2 tetrahedra, corners with two equivalent O(5)NaMgCo3 trigonal bipyramids, corners with three equivalent O(4)NaMgCo2 trigonal pyramids, and  an edgeedge with one O(5)NaMgCo3 trigonal bipyramid. In the fourth O site, O(4) is bonded to one Na(1), one Mg(1), one Co(2), and one Co(3) atom to form distorted ONaMgCo2 trigonal pyramids that share corners with three equivalent O(6)NaMgCo2 tetrahedra, corners with two equivalent O(5)NaMgCo3 trigonal bipyramids, corners with three equivalent O(3)MgCo3 trigonal pyramids, and  an edgeedge with one O(5)NaMgCo3 trigonal bipyramid. In the fifth O site, O(5) is bonded to one Na(1), one Mg(1), one Co(1), one Co(2), and one Co(3) atom to form distorted ONaMgCo3 trigonal bipyramids that share corners with two equivalent O(6)NaMgCo2 tetrahedra, corners with two equivalent O(3)MgCo3 trigonal pyramids, corners with two equivalent O(4)NaMgCo2 trigonal pyramids,  an edgeedge with one O(6)NaMgCo2 tetrahedra,  an edgeedge with one O(3)MgCo3 trigonal pyramid, and  an edgeedge with one O(4)NaMgCo2 trigonal pyramid. In the sixth O site, O(6) is bonded to one Na(1), one Mg(1), one Co(1), and one Co(3) atom to form distorted ONaMgCo2 tetrahedra that share corners with two equivalent O(5)NaMgCo3 trigonal bipyramids, corners with three equivalent O(3)MgCo3 trigonal pyramids, corners with three equivalent O(4)NaMgCo2 trigonal pyramids, and  an edgeedge with one O(5)NaMgCo3 trigonal bipyramid. is represented by the CIF file [CIF]
data_NaMg(CoO2)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.886
_cell_length_b   5.148
_cell_length_c   6.015
_cell_angle_alpha   60.855
_cell_angle_beta   56.909
_cell_angle_gamma   31.934
_symmetry_Int_Tables_number   1
_cell_volume   121.760
_cell_formula_units_Z   1
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  0.205  0.007  0.387  1.0
  Mg  Mg1  1  0.838  0.957  0.552  1.0
  Co  Co2  1  0.045  0.907  0.992  1.0
  Co  Co3  1  0.472  0.894  0.708  1.0
  Co  Co4  1  0.621  0.010  0.108  1.0
  O  O5  1  0.072  0.274  0.787  1.0
  O  O6  1  0.223  0.661  0.233  1.0
  O  O7  1  0.446  0.226  0.835  1.0
  O  O8  1  0.617  0.644  0.373  1.0
  O  O9  1  0.809  0.163  0.809  1.0
  O  O10  1  0.844  0.841  0.271  1.0
[/CIF]
.