The material described by MgMn4ZnO8 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form MgO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(1)O5 square pyramids, edges with two equivalent Mg(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, and  a faceface with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(7), two equivalent O(4), and two equivalent O(5) atoms to form distorted MnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, edges with two equivalent Zn(1)O5 square pyramids, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-50°. In the second Mn site, Mn(2) is bonded in a 4-coordinate geometry to one O(8), two equivalent O(3), and two equivalent O(6) atoms. In the third Mn site, Mn(3) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form distorted MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(1)O5 square pyramids, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(5), two equivalent O(1), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Zn(1)O5 square pyramids, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Zn(1)O5 square pyramid, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-54°. Zn(1) is bonded to one O(4), two equivalent O(6), and two equivalent O(7) atoms to form distorted ZnO5 square pyramids that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Zn(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 8-67°. 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 Mn(3), and two equivalent Mn(4) atoms. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), and two equivalent Mn(3) atoms to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(7)Mn3Zn2 square pyramid,  a cornercorner with one O(3)MgMn3 tetrahedra, corners with two equivalent O(2)MgMn3 trigonal pyramids, and edges with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids. In the third O site, O(3) is bonded to one Mg(1), one Mn(4), and two equivalent Mn(2) atoms to form distorted OMgMn3 tetrahedra that share corners with two equivalent O(7)Mn3Zn2 square pyramids, corners with two equivalent O(3)MgMn3 tetrahedra, corners with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids, and  a cornercorner with one O(2)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded to two equivalent Mg(1), two equivalent Mn(1), and one Zn(1) atom to form distorted OMg2Mn2Zn trigonal bipyramids that share corners with two equivalent O(3)MgMn3 tetrahedra, edges with two equivalent O(7)Mn3Zn2 square pyramids, edges with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids, and edges with two equivalent O(2)MgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Mn(4) and two equivalent Mn(1) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mn(3), two equivalent Mn(2), and two equivalent Zn(1) atoms. In the seventh O site, O(7) is bonded to one Mn(1), two equivalent Mn(4), and two equivalent Zn(1) atoms to form distorted OMn3Zn2 square pyramids that share corners with two equivalent O(3)MgMn3 tetrahedra,  a cornercorner with one O(2)MgMn3 trigonal pyramid, edges with two equivalent O(7)Mn3Zn2 square pyramids, and edges with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Mn(3) atoms. is represented by the CIF file [CIF]
data_MgMn4ZnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.956
_cell_length_b   7.768
_cell_length_c   8.256
_cell_angle_alpha   80.076
_cell_angle_beta   82.193
_cell_angle_gamma   81.777
_symmetry_Int_Tables_number   1
_cell_volume   183.618
_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  0.512  0.478  0.514  1.0
  Mn  Mn1  1  0.630  0.127  0.593  1.0
  Mn  Mn2  1  0.057  0.562  0.157  1.0
  Mn  Mn3  1  0.896  0.466  0.844  1.0
  Mn  Mn4  1  0.311  0.825  0.460  1.0
  Zn  Zn5  1  0.332  0.190  0.243  1.0
  O  O6  1  0.919  0.650  0.567  1.0
  O  O7  1  0.477  0.343  0.753  1.0
  O  O8  1  0.487  0.642  0.283  1.0
  O  O9  1  0.111  0.289  0.475  1.0
  O  O10  1  0.167  0.969  0.651  1.0
  O  O11  1  0.844  0.341  0.128  1.0
  O  O12  1  0.732  0.990  0.350  1.0
  O  O13  1  0.322  0.595  0.932  1.0
[/CIF]
.
The material described by MgMn4ZnO8 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form MgO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(1)O5 square pyramids, edges with two equivalent Mg(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, and  a faceface with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(7), two equivalent O(4), and two equivalent O(5) atoms to form distorted MnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, edges with two equivalent Zn(1)O5 square pyramids, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-50°. In the second Mn site, Mn(2) is bonded in a 4-coordinate geometry to one O(8), two equivalent O(3), and two equivalent O(6) atoms. In the third Mn site, Mn(3) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form distorted MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(1)O5 square pyramids, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(5), two equivalent O(1), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Zn(1)O5 square pyramids, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Zn(1)O5 square pyramid, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-54°. Zn(1) is bonded to one O(4), two equivalent O(6), and two equivalent O(7) atoms to form distorted ZnO5 square pyramids that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Zn(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 8-67°. 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 Mn(3), and two equivalent Mn(4) atoms. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), and two equivalent Mn(3) atoms to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(7)Mn3Zn2 square pyramid,  a cornercorner with one O(3)MgMn3 tetrahedra, corners with two equivalent O(2)MgMn3 trigonal pyramids, and edges with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids. In the third O site, O(3) is bonded to one Mg(1), one Mn(4), and two equivalent Mn(2) atoms to form distorted OMgMn3 tetrahedra that share corners with two equivalent O(7)Mn3Zn2 square pyramids, corners with two equivalent O(3)MgMn3 tetrahedra, corners with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids, and  a cornercorner with one O(2)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded to two equivalent Mg(1), two equivalent Mn(1), and one Zn(1) atom to form distorted OMg2Mn2Zn trigonal bipyramids that share corners with two equivalent O(3)MgMn3 tetrahedra, edges with two equivalent O(7)Mn3Zn2 square pyramids, edges with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids, and edges with two equivalent O(2)MgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Mn(4) and two equivalent Mn(1) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mn(3), two equivalent Mn(2), and two equivalent Zn(1) atoms. In the seventh O site, O(7) is bonded to one Mn(1), two equivalent Mn(4), and two equivalent Zn(1) atoms to form distorted OMn3Zn2 square pyramids that share corners with two equivalent O(3)MgMn3 tetrahedra,  a cornercorner with one O(2)MgMn3 trigonal pyramid, edges with two equivalent O(7)Mn3Zn2 square pyramids, and edges with two equivalent O(4)Mg2Mn2Zn trigonal bipyramids. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Mn(3) atoms. is represented by the CIF file [CIF]
data_MgMn4ZnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.956
_cell_length_b   7.768
_cell_length_c   8.256
_cell_angle_alpha   80.076
_cell_angle_beta   82.193
_cell_angle_gamma   81.777
_symmetry_Int_Tables_number   1
_cell_volume   183.618
_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  0.512  0.478  0.514  1.0
  Mn  Mn1  1  0.630  0.127  0.593  1.0
  Mn  Mn2  1  0.057  0.562  0.157  1.0
  Mn  Mn3  1  0.896  0.466  0.844  1.0
  Mn  Mn4  1  0.311  0.825  0.460  1.0
  Zn  Zn5  1  0.332  0.190  0.243  1.0
  O  O6  1  0.919  0.650  0.567  1.0
  O  O7  1  0.477  0.343  0.753  1.0
  O  O8  1  0.487  0.642  0.283  1.0
  O  O9  1  0.111  0.289  0.475  1.0
  O  O10  1  0.167  0.969  0.651  1.0
  O  O11  1  0.844  0.341  0.128  1.0
  O  O12  1  0.732  0.990  0.350  1.0
  O  O13  1  0.322  0.595  0.932  1.0
[/CIF]
.