The crystal structure described by MgMn4Zn2O8 crystallizes in the triclinic P-1 space group. Mg(1) is bonded to two equivalent O(1) and four equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Mg(1)O6 octahedra, edges with two equivalent Zn(1)O5 trigonal bipyramids, and edges with four equivalent Mn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 60°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), two equivalent O(1), and two equivalent O(2) atoms to form MnO5 trigonal bipyramids that share corners with four equivalent Mn(2)O6 octahedra, corners with four equivalent Zn(1)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent Mn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 38-58°. In the second Mn site, Mn(2) is bonded to one O(1), two equivalent O(2), and three equivalent O(4) atoms to form distorted MnO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, corners with four equivalent Mn(1)O5 trigonal bipyramids, edges with four equivalent Mn(2)O6 octahedra,  an edgeedge with one Mn(1)O5 trigonal bipyramid, and edges with three equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 60°. Zn(1) is bonded to one O(2), two equivalent O(3), and two equivalent O(4) atoms to form distorted ZnO5 trigonal bipyramids that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 21-37°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(2), and two equivalent Mn(1) atoms. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Mn(1), two equivalent Mn(2), and one Zn(1) atom. In the third O site, O(3) is bonded to two equivalent Mg(1), one Mn(1), and two equivalent Zn(1) atoms to form distorted OMg2MnZn2 trigonal bipyramids that share corners with two equivalent O(4)Mn3Zn2 square pyramids, corners with two equivalent O(3)Mg2MnZn2 trigonal bipyramids,  an edgeedge with one O(4)Mn3Zn2 square pyramid, and edges with three equivalent O(3)Mg2MnZn2 trigonal bipyramids. In the fourth O site, O(4) is bonded to three equivalent Mn(2) and two equivalent Zn(1) atoms to form OMn3Zn2 square pyramids that share corners with two equivalent O(3)Mg2MnZn2 trigonal bipyramids, edges with four equivalent O(4)Mn3Zn2 square pyramids, and  an edgeedge with one O(3)Mg2MnZn2 trigonal bipyramid. is represented by the CIF file [CIF]
data_MgMn4Zn2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.969
_cell_length_b   8.693
_cell_length_c   8.204
_cell_angle_alpha   63.946
_cell_angle_beta   68.843
_cell_angle_gamma   80.257
_symmetry_Int_Tables_number   1
_cell_volume   177.367
_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  0.983  0.987  0.518  1.0
  Mn  Mn1  1  0.213  0.235  0.667  1.0
  Mn  Mn2  1  0.055  0.464  0.210  1.0
  Mn  Mn3  1  0.910  0.510  0.826  1.0
  Mn  Mn4  1  0.753  0.739  0.368  1.0
  Zn  Zn5  1  0.287  0.166  0.124  1.0
  Zn  Zn6  1  0.678  0.808  0.911  1.0
  O  O7  1  0.085  0.706  0.554  1.0
  O  O8  1  0.536  0.279  0.822  1.0
  O  O9  1  0.429  0.695  0.214  1.0
  O  O10  1  0.881  0.268  0.482  1.0
  O  O11  1  0.283  0.972  0.726  1.0
  O  O12  1  0.712  0.342  0.113  1.0
  O  O13  1  0.682  0.002  0.309  1.0
  O  O14  1  0.253  0.633  0.923  1.0
[/CIF]
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The crystal structure described by MgMn4Zn2O8 crystallizes in the triclinic P-1 space group. Mg(1) is bonded to two equivalent O(1) and four equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Zn(1)O5 trigonal bipyramids, edges with two equivalent Mg(1)O6 octahedra, edges with two equivalent Zn(1)O5 trigonal bipyramids, and edges with four equivalent Mn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 60°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), two equivalent O(1), and two equivalent O(2) atoms to form MnO5 trigonal bipyramids that share corners with four equivalent Mn(2)O6 octahedra, corners with four equivalent Zn(1)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent Mn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 38-58°. In the second Mn site, Mn(2) is bonded to one O(1), two equivalent O(2), and three equivalent O(4) atoms to form distorted MnO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra, corners with two equivalent Zn(1)O5 trigonal bipyramids, corners with four equivalent Mn(1)O5 trigonal bipyramids, edges with four equivalent Mn(2)O6 octahedra,  an edgeedge with one Mn(1)O5 trigonal bipyramid, and edges with three equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 60°. Zn(1) is bonded to one O(2), two equivalent O(3), and two equivalent O(4) atoms to form distorted ZnO5 trigonal bipyramids that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 21-37°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(2), and two equivalent Mn(1) atoms. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Mn(1), two equivalent Mn(2), and one Zn(1) atom. In the third O site, O(3) is bonded to two equivalent Mg(1), one Mn(1), and two equivalent Zn(1) atoms to form distorted OMg2MnZn2 trigonal bipyramids that share corners with two equivalent O(4)Mn3Zn2 square pyramids, corners with two equivalent O(3)Mg2MnZn2 trigonal bipyramids,  an edgeedge with one O(4)Mn3Zn2 square pyramid, and edges with three equivalent O(3)Mg2MnZn2 trigonal bipyramids. In the fourth O site, O(4) is bonded to three equivalent Mn(2) and two equivalent Zn(1) atoms to form OMn3Zn2 square pyramids that share corners with two equivalent O(3)Mg2MnZn2 trigonal bipyramids, edges with four equivalent O(4)Mn3Zn2 square pyramids, and  an edgeedge with one O(3)Mg2MnZn2 trigonal bipyramid. is represented by the CIF file [CIF]
data_MgMn4Zn2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.969
_cell_length_b   8.693
_cell_length_c   8.204
_cell_angle_alpha   63.946
_cell_angle_beta   68.843
_cell_angle_gamma   80.257
_symmetry_Int_Tables_number   1
_cell_volume   177.367
_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  0.983  0.987  0.518  1.0
  Mn  Mn1  1  0.213  0.235  0.667  1.0
  Mn  Mn2  1  0.055  0.464  0.210  1.0
  Mn  Mn3  1  0.910  0.510  0.826  1.0
  Mn  Mn4  1  0.753  0.739  0.368  1.0
  Zn  Zn5  1  0.287  0.166  0.124  1.0
  Zn  Zn6  1  0.678  0.808  0.911  1.0
  O  O7  1  0.085  0.706  0.554  1.0
  O  O8  1  0.536  0.279  0.822  1.0
  O  O9  1  0.429  0.695  0.214  1.0
  O  O10  1  0.881  0.268  0.482  1.0
  O  O11  1  0.283  0.972  0.726  1.0
  O  O12  1  0.712  0.342  0.113  1.0
  O  O13  1  0.682  0.002  0.309  1.0
  O  O14  1  0.253  0.633  0.923  1.0
[/CIF]
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