The structure described by MgMn4Zn2O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(5), one O(8), and two equivalent O(1) atoms to form MgO4 tetrahedra that share  a cornercorner with one Mn(2)O5 square pyramid, corners with two equivalent Mn(3)O5 square pyramids, corners with two equivalent Mg(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and two equivalent O(4) atoms. In the second Mn site, Mn(2) is bonded to one O(8), two equivalent O(3), and two equivalent O(6) atoms to form MnO5 square pyramids that share  a cornercorner with one Mg(1)O4 tetrahedra, corners with two equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mn(2)O5 square pyramids, and edges with two equivalent Mn(3)O5 square pyramids. In the third Mn site, Mn(3) is bonded to one O(6), two equivalent O(2), and two equivalent O(8) atoms to form distorted MnO5 square pyramids that share corners with two equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(2)O5 square pyramids, and edges with two equivalent Mn(3)O5 square pyramids. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(3), one O(4), two equivalent O(1), and two equivalent O(7) atoms. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(4), one O(6), and two equivalent O(7) atoms. In the second Zn site, Zn(2) is bonded to one O(3), one O(7), and two equivalent O(5) atoms to form distorted ZnO4 tetrahedra that share corners with two equivalent Mn(2)O5 square pyramids, corners with two equivalent Mg(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mg(1), one Mn(1), and two equivalent Mn(4) atoms to form distorted OMg2Mn3 square pyramids that share corners with two equivalent O(3)Mn3Zn tetrahedra, edges with two equivalent O(1)Mg2Mn3 square pyramids, and edges with two equivalent O(4)Mn3Zn trigonal pyramids. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1) and two equivalent Mn(3) atoms. In the third O site, O(3) is bonded to one Mn(4), two equivalent Mn(2), and one Zn(2) atom to form distorted OMn3Zn tetrahedra that share corners with two equivalent O(1)Mg2Mn3 square pyramids, corners with two equivalent O(3)Mn3Zn tetrahedra, and  a cornercorner with one O(4)Mn3Zn trigonal pyramid. In the fourth O site, O(4) is bonded to one Mn(4), two equivalent Mn(1), and one Zn(1) atom to form distorted OMn3Zn trigonal pyramids that share  a cornercorner with one O(3)Mn3Zn tetrahedra, corners with two equivalent O(4)Mn3Zn trigonal pyramids, and edges with two equivalent O(1)Mg2Mn3 square pyramids. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), and two equivalent Zn(2) atoms. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mn(3), two equivalent Mn(2), and one Zn(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to two equivalent Mn(4), one Zn(2), and two equivalent Zn(1) atoms. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(2), and two equivalent Mn(3) atoms. is represented by the CIF file [CIF]
data_MgMn4Zn2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.041
_cell_length_b   8.620
_cell_length_c   8.028
_cell_angle_alpha   82.903
_cell_angle_beta   83.226
_cell_angle_gamma   76.685
_symmetry_Int_Tables_number   1
_cell_volume   202.359
_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  0.327  0.746  0.696  1.0
  Mn  Mn1  1  0.553  0.083  0.646  1.0
  Mn  Mn2  1  0.237  0.570  0.125  1.0
  Mn  Mn3  1  0.928  0.391  0.848  1.0
  Mn  Mn4  1  0.336  0.874  0.356  1.0
  Zn  Zn5  1  0.034  0.196  0.245  1.0
  Zn  Zn6  1  0.688  0.937  0.992  1.0
  O  O7  1  0.843  0.793  0.539  1.0
  O  O8  1  0.529  0.250  0.807  1.0
  O  O9  1  0.624  0.723  0.156  1.0
  O  O10  1  0.072  0.119  0.487  1.0
  O  O11  1  0.244  0.932  0.830  1.0
  O  O12  1  0.848  0.407  0.130  1.0
  O  O13  1  0.658  0.045  0.194  1.0
  O  O14  1  0.328  0.549  0.847  1.0
[/CIF]
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The structure described by MgMn4Zn2O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(5), one O(8), and two equivalent O(1) atoms to form MgO4 tetrahedra that share  a cornercorner with one Mn(2)O5 square pyramid, corners with two equivalent Mn(3)O5 square pyramids, corners with two equivalent Mg(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and two equivalent O(4) atoms. In the second Mn site, Mn(2) is bonded to one O(8), two equivalent O(3), and two equivalent O(6) atoms to form MnO5 square pyramids that share  a cornercorner with one Mg(1)O4 tetrahedra, corners with two equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mn(2)O5 square pyramids, and edges with two equivalent Mn(3)O5 square pyramids. In the third Mn site, Mn(3) is bonded to one O(6), two equivalent O(2), and two equivalent O(8) atoms to form distorted MnO5 square pyramids that share corners with two equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(2)O5 square pyramids, and edges with two equivalent Mn(3)O5 square pyramids. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(3), one O(4), two equivalent O(1), and two equivalent O(7) atoms. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(4), one O(6), and two equivalent O(7) atoms. In the second Zn site, Zn(2) is bonded to one O(3), one O(7), and two equivalent O(5) atoms to form distorted ZnO4 tetrahedra that share corners with two equivalent Mn(2)O5 square pyramids, corners with two equivalent Mg(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mg(1), one Mn(1), and two equivalent Mn(4) atoms to form distorted OMg2Mn3 square pyramids that share corners with two equivalent O(3)Mn3Zn tetrahedra, edges with two equivalent O(1)Mg2Mn3 square pyramids, and edges with two equivalent O(4)Mn3Zn trigonal pyramids. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1) and two equivalent Mn(3) atoms. In the third O site, O(3) is bonded to one Mn(4), two equivalent Mn(2), and one Zn(2) atom to form distorted OMn3Zn tetrahedra that share corners with two equivalent O(1)Mg2Mn3 square pyramids, corners with two equivalent O(3)Mn3Zn tetrahedra, and  a cornercorner with one O(4)Mn3Zn trigonal pyramid. In the fourth O site, O(4) is bonded to one Mn(4), two equivalent Mn(1), and one Zn(1) atom to form distorted OMn3Zn trigonal pyramids that share  a cornercorner with one O(3)Mn3Zn tetrahedra, corners with two equivalent O(4)Mn3Zn trigonal pyramids, and edges with two equivalent O(1)Mg2Mn3 square pyramids. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), and two equivalent Zn(2) atoms. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mn(3), two equivalent Mn(2), and one Zn(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to two equivalent Mn(4), one Zn(2), and two equivalent Zn(1) atoms. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(2), and two equivalent Mn(3) atoms. is represented by the CIF file [CIF]
data_MgMn4Zn2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.041
_cell_length_b   8.620
_cell_length_c   8.028
_cell_angle_alpha   82.903
_cell_angle_beta   83.226
_cell_angle_gamma   76.685
_symmetry_Int_Tables_number   1
_cell_volume   202.359
_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  0.327  0.746  0.696  1.0
  Mn  Mn1  1  0.553  0.083  0.646  1.0
  Mn  Mn2  1  0.237  0.570  0.125  1.0
  Mn  Mn3  1  0.928  0.391  0.848  1.0
  Mn  Mn4  1  0.336  0.874  0.356  1.0
  Zn  Zn5  1  0.034  0.196  0.245  1.0
  Zn  Zn6  1  0.688  0.937  0.992  1.0
  O  O7  1  0.843  0.793  0.539  1.0
  O  O8  1  0.529  0.250  0.807  1.0
  O  O9  1  0.624  0.723  0.156  1.0
  O  O10  1  0.072  0.119  0.487  1.0
  O  O11  1  0.244  0.932  0.830  1.0
  O  O12  1  0.848  0.407  0.130  1.0
  O  O13  1  0.658  0.045  0.194  1.0
  O  O14  1  0.328  0.549  0.847  1.0
[/CIF]
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