The material structure described by MgZn(CoO2)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(4), one O(7), two equivalent O(1), and two equivalent O(3) atoms. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(7), two equivalent O(4), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Co(1)O6 octahedra, and  a faceface with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-61°. In the second Co site, Co(2) is bonded in a distorted rectangular see-saw-like geometry to one O(3), one O(4), one O(6), and one O(8) atom. In the third Co site, Co(3) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-61°. In the fourth Co site, Co(4) is bonded to one O(7), one O(8), two equivalent O(1), and two equivalent O(5) atoms to form distorted CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Co(3)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and  a faceface with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-43°. Zn(1) is bonded to one O(3), two equivalent O(6), and two equivalent O(7) atoms to form distorted ZnO5 trigonal bipyramids that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 43-71°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Mg(1), one Co(3), and two equivalent Co(4) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent Co(3) atoms. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to two equivalent Mg(1), one Co(2), and one Zn(1) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Mg(1), one Co(2), and two equivalent Co(1) atoms. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Co(1) and two equivalent Co(4) atoms. In the sixth O site, O(6) is bonded to one Co(2), one Co(3), and two equivalent Zn(1) atoms to form distorted OZn2Co2 trigonal pyramids that share corners with two equivalent O(7)MgZn2Co2 trigonal bipyramids,  a cornercorner with one O(8)Co4 trigonal pyramid, corners with two equivalent O(6)Zn2Co2 trigonal pyramids,  an edgeedge with one O(7)MgZn2Co2 trigonal bipyramid, and  an edgeedge with one O(8)Co4 trigonal pyramid. In the seventh O site, O(7) is bonded to one Mg(1), one Co(1), one Co(4), and two equivalent Zn(1) atoms to form distorted OMgZn2Co2 trigonal bipyramids that share corners with two equivalent O(7)MgZn2Co2 trigonal bipyramids,  a cornercorner with one O(8)Co4 trigonal pyramid, corners with two equivalent O(6)Zn2Co2 trigonal pyramids, and  an edgeedge with one O(6)Zn2Co2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Co(2), one Co(4), and two equivalent Co(3) atoms to form OCo4 trigonal pyramids that share  a cornercorner with one O(7)MgZn2Co2 trigonal bipyramid,  a cornercorner with one O(6)Zn2Co2 trigonal pyramid, corners with two equivalent O(8)Co4 trigonal pyramids, and  an edgeedge with one O(6)Zn2Co2 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgZn(CoO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.989
_cell_length_b   6.952
_cell_length_c   8.029
_cell_angle_alpha   69.099
_cell_angle_beta   75.713
_cell_angle_gamma   83.067
_symmetry_Int_Tables_number   1
_cell_volume   150.940
_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
  Mg  Mg0  1  0.778  0.671  0.391  1.0
  Zn  Zn1  1  0.269  0.061  0.204  1.0
  Co  Co2  1  0.554  0.202  0.555  1.0
  Co  Co3  1  0.424  0.513  0.148  1.0
  Co  Co4  1  0.931  0.434  0.831  1.0
  Co  Co5  1  0.488  0.820  0.663  1.0
  O  O6  1  0.027  0.653  0.609  1.0
  O  O7  1  0.479  0.314  0.757  1.0
  O  O8  1  0.379  0.760  0.212  1.0
  O  O9  1  0.063  0.376  0.401  1.0
  O  O10  1  0.034  0.012  0.698  1.0
  O  O11  1  0.781  0.272  0.080  1.0
  O  O12  1  0.655  0.991  0.412  1.0
  O  O13  1  0.353  0.591  0.893  1.0
[/CIF]
.
The material structure described by MgZn(CoO2)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(4), one O(7), two equivalent O(1), and two equivalent O(3) atoms. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(7), two equivalent O(4), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Co(1)O6 octahedra, and  a faceface with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-61°. In the second Co site, Co(2) is bonded in a distorted rectangular see-saw-like geometry to one O(3), one O(4), one O(6), and one O(8) atom. In the third Co site, Co(3) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-61°. In the fourth Co site, Co(4) is bonded to one O(7), one O(8), two equivalent O(1), and two equivalent O(5) atoms to form distorted CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Co(3)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and  a faceface with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-43°. Zn(1) is bonded to one O(3), two equivalent O(6), and two equivalent O(7) atoms to form distorted ZnO5 trigonal bipyramids that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 43-71°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Mg(1), one Co(3), and two equivalent Co(4) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent Co(3) atoms. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to two equivalent Mg(1), one Co(2), and one Zn(1) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Mg(1), one Co(2), and two equivalent Co(1) atoms. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Co(1) and two equivalent Co(4) atoms. In the sixth O site, O(6) is bonded to one Co(2), one Co(3), and two equivalent Zn(1) atoms to form distorted OZn2Co2 trigonal pyramids that share corners with two equivalent O(7)MgZn2Co2 trigonal bipyramids,  a cornercorner with one O(8)Co4 trigonal pyramid, corners with two equivalent O(6)Zn2Co2 trigonal pyramids,  an edgeedge with one O(7)MgZn2Co2 trigonal bipyramid, and  an edgeedge with one O(8)Co4 trigonal pyramid. In the seventh O site, O(7) is bonded to one Mg(1), one Co(1), one Co(4), and two equivalent Zn(1) atoms to form distorted OMgZn2Co2 trigonal bipyramids that share corners with two equivalent O(7)MgZn2Co2 trigonal bipyramids,  a cornercorner with one O(8)Co4 trigonal pyramid, corners with two equivalent O(6)Zn2Co2 trigonal pyramids, and  an edgeedge with one O(6)Zn2Co2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Co(2), one Co(4), and two equivalent Co(3) atoms to form OCo4 trigonal pyramids that share  a cornercorner with one O(7)MgZn2Co2 trigonal bipyramid,  a cornercorner with one O(6)Zn2Co2 trigonal pyramid, corners with two equivalent O(8)Co4 trigonal pyramids, and  an edgeedge with one O(6)Zn2Co2 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgZn(CoO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.989
_cell_length_b   6.952
_cell_length_c   8.029
_cell_angle_alpha   69.099
_cell_angle_beta   75.713
_cell_angle_gamma   83.067
_symmetry_Int_Tables_number   1
_cell_volume   150.940
_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
  Mg  Mg0  1  0.778  0.671  0.391  1.0
  Zn  Zn1  1  0.269  0.061  0.204  1.0
  Co  Co2  1  0.554  0.202  0.555  1.0
  Co  Co3  1  0.424  0.513  0.148  1.0
  Co  Co4  1  0.931  0.434  0.831  1.0
  Co  Co5  1  0.488  0.820  0.663  1.0
  O  O6  1  0.027  0.653  0.609  1.0
  O  O7  1  0.479  0.314  0.757  1.0
  O  O8  1  0.379  0.760  0.212  1.0
  O  O9  1  0.063  0.376  0.401  1.0
  O  O10  1  0.034  0.012  0.698  1.0
  O  O11  1  0.781  0.272  0.080  1.0
  O  O12  1  0.655  0.991  0.412  1.0
  O  O13  1  0.353  0.591  0.893  1.0
[/CIF]
.