The compound described by MgMn4Zn2O8 crystallizes in the monoclinic Cm space group. Mg(1) is bonded to one O(5), one O(6), and two equivalent O(2) atoms to form distorted MgO4 tetrahedra that share corners with six equivalent Zn(1)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O5 square pyramid, and  an edgeedge with one Mn(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 20-64°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with four equivalent Zn(1)O6 octahedra, corners with three equivalent Mn(3)O5 square pyramids, corners with three equivalent Mn(4)O5 square pyramids,  an edgeedge with one Mg(1)O4 tetrahedra, and faces with two equivalent Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(5), one O(6), and two equivalent O(2) atoms. In the third Mn site, Mn(3) is bonded to one O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted MnO5 square pyramids that share corners with two equivalent Zn(1)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra, edges with two equivalent Zn(1)O6 octahedra, edges with two equivalent Mn(4)O5 square pyramids, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 31-74°. In the fourth Mn site, Mn(4) is bonded to one O(3), two equivalent O(2), and two equivalent O(4) atoms to form distorted MnO5 square pyramids that share corners with two equivalent Zn(1)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra, edges with two equivalent Zn(1)O6 octahedra, edges with two equivalent Mn(3)O5 square pyramids, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 31-74°. Zn(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 ZnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O5 square pyramid,  a cornercorner with one Mn(4)O5 square pyramid, corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Zn(1)O6 octahedra,  an edgeedge with one Mn(3)O5 square pyramid,  an edgeedge with one Mn(4)O5 square pyramid, and  a faceface with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and two equivalent Zn(1) atoms to form distorted OMn3Zn2 trigonal bipyramids that share corners with two equivalent O(4)Mn3Zn tetrahedra,  a cornercorner with one O(3)Mn3Zn2 trigonal bipyramid, corners with two equivalent O(2)MgMn3Zn trigonal bipyramids, edges with two equivalent O(4)Mn3Zn tetrahedra, edges with two equivalent O(2)MgMn3Zn trigonal bipyramids, and  a faceface with one O(3)Mn3Zn2 trigonal bipyramid. In the second O site, O(2) is bonded to one Mg(1), one Mn(2), one Mn(3), one Mn(4), and one Zn(1) atom to form OMgMn3Zn trigonal bipyramids that share corners with five equivalent O(4)Mn3Zn tetrahedra,  a cornercorner with one O(2)MgMn3Zn trigonal bipyramid,  a cornercorner with one O(1)Mn3Zn2 trigonal bipyramid,  a cornercorner with one O(3)Mn3Zn2 trigonal bipyramid,  an edgeedge with one O(1)Mn3Zn2 trigonal bipyramid,  an edgeedge with one O(3)Mn3Zn2 trigonal bipyramid, and  a faceface with one O(2)MgMn3Zn trigonal bipyramid. In the third O site, O(3) is bonded to one Mn(1), one Mn(2), one Mn(4), and two equivalent Zn(1) atoms to form distorted OMn3Zn2 trigonal bipyramids that share corners with two equivalent O(4)Mn3Zn tetrahedra,  a cornercorner with one O(1)Mn3Zn2 trigonal bipyramid, corners with two equivalent O(2)MgMn3Zn trigonal bipyramids, edges with two equivalent O(4)Mn3Zn tetrahedra, edges with two equivalent O(2)MgMn3Zn trigonal bipyramids, and  a faceface with one O(1)Mn3Zn2 trigonal bipyramid. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(3), one Mn(4), and one Zn(1) atom to form distorted OMn3Zn tetrahedra that share  a cornercorner with one O(4)Mn3Zn tetrahedra,  a cornercorner with one O(1)Mn3Zn2 trigonal bipyramid,  a cornercorner with one O(3)Mn3Zn2 trigonal bipyramid, corners with five equivalent O(2)MgMn3Zn trigonal bipyramids,  an edgeedge with one O(4)Mn3Zn tetrahedra,  an edgeedge with one O(1)Mn3Zn2 trigonal bipyramid, and  an edgeedge with one O(3)Mn3Zn2 trigonal bipyramid. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and two equivalent Zn(1) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and two equivalent Zn(1) atoms. is represented by the CIF file [CIF]
data_MgMn4Zn2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.242
_cell_length_b   6.242
_cell_length_c   6.066
_cell_angle_alpha   60.987
_cell_angle_beta   60.987
_cell_angle_gamma   63.979
_symmetry_Int_Tables_number   1
_cell_volume   174.235
_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  0.816  0.816  0.184  1.0
  Mn  Mn1  1  0.129  0.129  0.870  1.0
  Mn  Mn2  1  0.186  0.186  0.313  1.0
  Mn  Mn3  1  0.567  0.567  0.173  1.0
  Mn  Mn4  1  0.568  0.568  0.692  1.0
  Zn  Zn5  1  0.095  0.655  0.626  1.0
  Zn  Zn6  1  0.655  0.095  0.626  1.0
  O  O7  1  0.330  0.330  0.449  1.0
  O  O8  1  0.437  0.809  0.377  1.0
  O  O9  1  0.330  0.330  0.890  1.0
  O  O10  1  0.809  0.437  0.377  1.0
  O  O11  1  0.428  0.809  0.882  1.0
  O  O12  1  0.809  0.428  0.882  1.0
  O  O13  1  0.934  0.934  0.335  1.0
  O  O14  1  0.935  0.935  0.798  1.0
[/CIF]
.
The compound described by MgMn4Zn2O8 crystallizes in the monoclinic Cm space group. Mg(1) is bonded to one O(5), one O(6), and two equivalent O(2) atoms to form distorted MgO4 tetrahedra that share corners with six equivalent Zn(1)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O5 square pyramid, and  an edgeedge with one Mn(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 20-64°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with four equivalent Zn(1)O6 octahedra, corners with three equivalent Mn(3)O5 square pyramids, corners with three equivalent Mn(4)O5 square pyramids,  an edgeedge with one Mg(1)O4 tetrahedra, and faces with two equivalent Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(5), one O(6), and two equivalent O(2) atoms. In the third Mn site, Mn(3) is bonded to one O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted MnO5 square pyramids that share corners with two equivalent Zn(1)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra, edges with two equivalent Zn(1)O6 octahedra, edges with two equivalent Mn(4)O5 square pyramids, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 31-74°. In the fourth Mn site, Mn(4) is bonded to one O(3), two equivalent O(2), and two equivalent O(4) atoms to form distorted MnO5 square pyramids that share corners with two equivalent Zn(1)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra, edges with two equivalent Zn(1)O6 octahedra, edges with two equivalent Mn(3)O5 square pyramids, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 31-74°. Zn(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 ZnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O5 square pyramid,  a cornercorner with one Mn(4)O5 square pyramid, corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Zn(1)O6 octahedra,  an edgeedge with one Mn(3)O5 square pyramid,  an edgeedge with one Mn(4)O5 square pyramid, and  a faceface with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and two equivalent Zn(1) atoms to form distorted OMn3Zn2 trigonal bipyramids that share corners with two equivalent O(4)Mn3Zn tetrahedra,  a cornercorner with one O(3)Mn3Zn2 trigonal bipyramid, corners with two equivalent O(2)MgMn3Zn trigonal bipyramids, edges with two equivalent O(4)Mn3Zn tetrahedra, edges with two equivalent O(2)MgMn3Zn trigonal bipyramids, and  a faceface with one O(3)Mn3Zn2 trigonal bipyramid. In the second O site, O(2) is bonded to one Mg(1), one Mn(2), one Mn(3), one Mn(4), and one Zn(1) atom to form OMgMn3Zn trigonal bipyramids that share corners with five equivalent O(4)Mn3Zn tetrahedra,  a cornercorner with one O(2)MgMn3Zn trigonal bipyramid,  a cornercorner with one O(1)Mn3Zn2 trigonal bipyramid,  a cornercorner with one O(3)Mn3Zn2 trigonal bipyramid,  an edgeedge with one O(1)Mn3Zn2 trigonal bipyramid,  an edgeedge with one O(3)Mn3Zn2 trigonal bipyramid, and  a faceface with one O(2)MgMn3Zn trigonal bipyramid. In the third O site, O(3) is bonded to one Mn(1), one Mn(2), one Mn(4), and two equivalent Zn(1) atoms to form distorted OMn3Zn2 trigonal bipyramids that share corners with two equivalent O(4)Mn3Zn tetrahedra,  a cornercorner with one O(1)Mn3Zn2 trigonal bipyramid, corners with two equivalent O(2)MgMn3Zn trigonal bipyramids, edges with two equivalent O(4)Mn3Zn tetrahedra, edges with two equivalent O(2)MgMn3Zn trigonal bipyramids, and  a faceface with one O(1)Mn3Zn2 trigonal bipyramid. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(3), one Mn(4), and one Zn(1) atom to form distorted OMn3Zn tetrahedra that share  a cornercorner with one O(4)Mn3Zn tetrahedra,  a cornercorner with one O(1)Mn3Zn2 trigonal bipyramid,  a cornercorner with one O(3)Mn3Zn2 trigonal bipyramid, corners with five equivalent O(2)MgMn3Zn trigonal bipyramids,  an edgeedge with one O(4)Mn3Zn tetrahedra,  an edgeedge with one O(1)Mn3Zn2 trigonal bipyramid, and  an edgeedge with one O(3)Mn3Zn2 trigonal bipyramid. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and two equivalent Zn(1) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and two equivalent Zn(1) atoms. is represented by the CIF file [CIF]
data_MgMn4Zn2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.242
_cell_length_b   6.242
_cell_length_c   6.066
_cell_angle_alpha   60.987
_cell_angle_beta   60.987
_cell_angle_gamma   63.979
_symmetry_Int_Tables_number   1
_cell_volume   174.235
_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  0.816  0.816  0.184  1.0
  Mn  Mn1  1  0.129  0.129  0.870  1.0
  Mn  Mn2  1  0.186  0.186  0.313  1.0
  Mn  Mn3  1  0.567  0.567  0.173  1.0
  Mn  Mn4  1  0.568  0.568  0.692  1.0
  Zn  Zn5  1  0.095  0.655  0.626  1.0
  Zn  Zn6  1  0.655  0.095  0.626  1.0
  O  O7  1  0.330  0.330  0.449  1.0
  O  O8  1  0.437  0.809  0.377  1.0
  O  O9  1  0.330  0.330  0.890  1.0
  O  O10  1  0.809  0.437  0.377  1.0
  O  O11  1  0.428  0.809  0.882  1.0
  O  O12  1  0.809  0.428  0.882  1.0
  O  O13  1  0.934  0.934  0.335  1.0
  O  O14  1  0.935  0.935  0.798  1.0
[/CIF]
.