The material structure described by MgMn2O4 is Spinel-like structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(11), one O(4), and two equivalent O(9) atoms to form MgO4 tetrahedra that share  a cornercorner with one Mn(6)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with three equivalent Mg(4)O6 octahedra, and corners with four equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. In the second Mg site, Mg(2) is bonded to one O(12), one O(3), and two equivalent O(10) atoms to form MgO4 tetrahedra that share  a cornercorner with one Mn(5)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with three equivalent Mg(3)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. In the third Mg site, Mg(3) is bonded to one O(12), one O(7), two equivalent O(10), and two equivalent O(5) atoms to form MgO6 octahedra that share corners with three equivalent Mg(2)O4 tetrahedra, corners with three equivalent Mn(2)O4 tetrahedra,  an edgeedge with one Mn(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. In the fourth Mg site, Mg(4) is bonded to one O(11), one O(8), two equivalent O(6), and two equivalent O(9) atoms to form MgO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mn(1)O4 tetrahedra,  an edgeedge with one Mn(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(8), and two equivalent O(6) atoms to form MnO4 tetrahedra that share  a cornercorner with one Mn(5)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with three equivalent Mg(4)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-65°. In the second Mn site, Mn(2) is bonded to one O(2), one O(7), and two equivalent O(5) atoms to form MnO4 tetrahedra that share  a cornercorner with one Mn(6)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with three equivalent Mg(3)O6 octahedra, and corners with four equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. In the third Mn site, Mn(3) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mn(1)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(2)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(6)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(3), two equivalent O(5), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mn(1)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, and edges with four equivalent Mn(3)O6 octahedra. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(4), two equivalent O(10), and two equivalent O(6) atoms to form MnO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(2)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, and edges with four equivalent Mn(4)O6 octahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mn(1), one Mn(5), and two equivalent Mn(3) atoms. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Mn(2), one Mn(6), and two equivalent Mn(4) atoms. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mn(5), and two equivalent Mn(3) atoms. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(6), and two equivalent Mn(4) atoms. In the fifth O site, O(5) is bonded to one Mg(3), one Mn(2), one Mn(3), and one Mn(5) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra,  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(5)MgMn3 trigonal pyramid, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with three equivalent O(9)Mg2Mn2 trigonal pyramids,  an edgeedge with one O(7)MgMn3 tetrahedra, and  an edgeedge with one O(5)MgMn3 trigonal pyramid. In the sixth O site, O(6) is bonded to one Mg(4), one Mn(1), one Mn(4), and one Mn(6) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(8)MgMn3 tetrahedra,  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(6)MgMn3 trigonal pyramid, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with three equivalent O(10)Mg2Mn2 trigonal pyramids,  an edgeedge with one O(8)MgMn3 tetrahedra, and  an edgeedge with one O(6)MgMn3 trigonal pyramid. In the seventh O site, O(7) is bonded to one Mg(3), one Mn(2), and two equivalent Mn(3) atoms to form distorted OMgMn3 tetrahedra that share  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with two equivalent O(11)Mg2Mn2 trigonal pyramids, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with two equivalent O(5)MgMn3 trigonal pyramids, and edges with two equivalent O(5)MgMn3 trigonal pyramids. In the eighth O site, O(8) is bonded to one Mg(4), one Mn(1), and two equivalent Mn(4) atoms to form OMgMn3 tetrahedra that share  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with two equivalent O(12)Mg2Mn2 trigonal pyramids, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with two equivalent O(6)MgMn3 trigonal pyramids, and edges with two equivalent O(6)MgMn3 trigonal pyramids. In the ninth O site, O(9) is bonded to one Mg(1), one Mg(4), one Mn(3), and one Mn(5) atom to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra,  a cornercorner with one O(8)MgMn3 tetrahedra,  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(9)Mg2Mn2 trigonal pyramid, corners with two equivalent O(6)MgMn3 trigonal pyramids, corners with three equivalent O(5)MgMn3 trigonal pyramids,  an edgeedge with one O(11)Mg2Mn2 trigonal pyramid, and  an edgeedge with one O(9)Mg2Mn2 trigonal pyramid. In the tenth O site, O(10) is bonded to one Mg(2), one Mg(3), one Mn(4), and one Mn(6) atom to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra,  a cornercorner with one O(8)MgMn3 tetrahedra,  a cornercorner with one O(10)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid, corners with two equivalent O(5)MgMn3 trigonal pyramids, corners with three equivalent O(6)MgMn3 trigonal pyramids,  an edgeedge with one O(10)Mg2Mn2 trigonal pyramid, and  an edgeedge with one O(12)Mg2Mn2 trigonal pyramid. In the eleventh O site, O(11) is bonded to one Mg(1), one Mg(4), and two equivalent Mn(3) atoms to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(8)MgMn3 tetrahedra, corners with two equivalent O(7)MgMn3 tetrahedra, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with two equivalent O(5)MgMn3 trigonal pyramids, corners with two equivalent O(6)MgMn3 trigonal pyramids, and edges with two equivalent O(9)Mg2Mn2 trigonal pyramids. In the twelfth O site, O(12) is bonded to one Mg(2), one Mg(3), and two equivalent Mn(4) atoms to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra, corners with two equivalent O(8)MgMn3 tetrahedra, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with two equivalent O(5)MgMn3 trigonal pyramids, corners with two equivalent O(6)MgMn3 trigonal pyramids, and edges with two equivalent O(10)Mg2Mn2 trigonal pyramids. is represented by the CIF card [CIF]
data_MgMn2O4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.003
_cell_length_b   6.003
_cell_length_c   6.071
_cell_angle_alpha   119.498
_cell_angle_beta   90.941
_cell_angle_gamma   119.042
_symmetry_Int_Tables_number   1
_cell_volume   156.839
_cell_formula_units_Z   2
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  0.999  0.024  0.023  1.0
  Mg  Mg1  1  0.375  0.252  0.626  1.0
  Mn  Mn2  1  0.752  0.477  0.229  1.0
  Mn  Mn3  1  0.375  0.749  0.625  1.0
  Mn  Mn4  1  0.374  0.750  0.124  1.0
  Mn  Mn5  1  0.876  0.250  0.625  1.0
  O  O6  1  0.602  0.740  0.342  1.0
  O  O7  1  0.145  0.763  0.908  1.0
  O  O8  1  0.170  0.765  0.376  1.0
  O  O9  1  0.617  0.200  0.818  1.0
  O  O10  1  0.611  0.206  0.376  1.0
  O  O11  1  0.136  0.289  0.876  1.0
  O  O12  1  0.131  0.294  0.425  1.0
  O  O13  1  0.587  0.741  0.876  1.0
[/CIF]
.
The material structure described by MgMn2O4 is Spinel-like structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(11), one O(4), and two equivalent O(9) atoms to form MgO4 tetrahedra that share  a cornercorner with one Mn(6)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with three equivalent Mg(4)O6 octahedra, and corners with four equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. In the second Mg site, Mg(2) is bonded to one O(12), one O(3), and two equivalent O(10) atoms to form MgO4 tetrahedra that share  a cornercorner with one Mn(5)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with three equivalent Mg(3)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. In the third Mg site, Mg(3) is bonded to one O(12), one O(7), two equivalent O(10), and two equivalent O(5) atoms to form MgO6 octahedra that share corners with three equivalent Mg(2)O4 tetrahedra, corners with three equivalent Mn(2)O4 tetrahedra,  an edgeedge with one Mn(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. In the fourth Mg site, Mg(4) is bonded to one O(11), one O(8), two equivalent O(6), and two equivalent O(9) atoms to form MgO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mn(1)O4 tetrahedra,  an edgeedge with one Mn(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(8), and two equivalent O(6) atoms to form MnO4 tetrahedra that share  a cornercorner with one Mn(5)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with three equivalent Mg(4)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-65°. In the second Mn site, Mn(2) is bonded to one O(2), one O(7), and two equivalent O(5) atoms to form MnO4 tetrahedra that share  a cornercorner with one Mn(6)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with three equivalent Mg(3)O6 octahedra, and corners with four equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. In the third Mn site, Mn(3) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mn(1)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(2)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(6)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(3), two equivalent O(5), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mn(1)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, and edges with four equivalent Mn(3)O6 octahedra. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(4), two equivalent O(10), and two equivalent O(6) atoms to form MnO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(2)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(4)O6 octahedra, and edges with four equivalent Mn(4)O6 octahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mn(1), one Mn(5), and two equivalent Mn(3) atoms. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Mn(2), one Mn(6), and two equivalent Mn(4) atoms. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mn(5), and two equivalent Mn(3) atoms. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(6), and two equivalent Mn(4) atoms. In the fifth O site, O(5) is bonded to one Mg(3), one Mn(2), one Mn(3), and one Mn(5) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra,  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(5)MgMn3 trigonal pyramid, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with three equivalent O(9)Mg2Mn2 trigonal pyramids,  an edgeedge with one O(7)MgMn3 tetrahedra, and  an edgeedge with one O(5)MgMn3 trigonal pyramid. In the sixth O site, O(6) is bonded to one Mg(4), one Mn(1), one Mn(4), and one Mn(6) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(8)MgMn3 tetrahedra,  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(6)MgMn3 trigonal pyramid, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with three equivalent O(10)Mg2Mn2 trigonal pyramids,  an edgeedge with one O(8)MgMn3 tetrahedra, and  an edgeedge with one O(6)MgMn3 trigonal pyramid. In the seventh O site, O(7) is bonded to one Mg(3), one Mn(2), and two equivalent Mn(3) atoms to form distorted OMgMn3 tetrahedra that share  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with two equivalent O(11)Mg2Mn2 trigonal pyramids, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with two equivalent O(5)MgMn3 trigonal pyramids, and edges with two equivalent O(5)MgMn3 trigonal pyramids. In the eighth O site, O(8) is bonded to one Mg(4), one Mn(1), and two equivalent Mn(4) atoms to form OMgMn3 tetrahedra that share  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with two equivalent O(12)Mg2Mn2 trigonal pyramids, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with two equivalent O(6)MgMn3 trigonal pyramids, and edges with two equivalent O(6)MgMn3 trigonal pyramids. In the ninth O site, O(9) is bonded to one Mg(1), one Mg(4), one Mn(3), and one Mn(5) atom to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra,  a cornercorner with one O(8)MgMn3 tetrahedra,  a cornercorner with one O(11)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(9)Mg2Mn2 trigonal pyramid, corners with two equivalent O(6)MgMn3 trigonal pyramids, corners with three equivalent O(5)MgMn3 trigonal pyramids,  an edgeedge with one O(11)Mg2Mn2 trigonal pyramid, and  an edgeedge with one O(9)Mg2Mn2 trigonal pyramid. In the tenth O site, O(10) is bonded to one Mg(2), one Mg(3), one Mn(4), and one Mn(6) atom to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra,  a cornercorner with one O(8)MgMn3 tetrahedra,  a cornercorner with one O(10)Mg2Mn2 trigonal pyramid,  a cornercorner with one O(12)Mg2Mn2 trigonal pyramid, corners with two equivalent O(5)MgMn3 trigonal pyramids, corners with three equivalent O(6)MgMn3 trigonal pyramids,  an edgeedge with one O(10)Mg2Mn2 trigonal pyramid, and  an edgeedge with one O(12)Mg2Mn2 trigonal pyramid. In the eleventh O site, O(11) is bonded to one Mg(1), one Mg(4), and two equivalent Mn(3) atoms to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(8)MgMn3 tetrahedra, corners with two equivalent O(7)MgMn3 tetrahedra, corners with two equivalent O(9)Mg2Mn2 trigonal pyramids, corners with two equivalent O(5)MgMn3 trigonal pyramids, corners with two equivalent O(6)MgMn3 trigonal pyramids, and edges with two equivalent O(9)Mg2Mn2 trigonal pyramids. In the twelfth O site, O(12) is bonded to one Mg(2), one Mg(3), and two equivalent Mn(4) atoms to form distorted OMg2Mn2 trigonal pyramids that share  a cornercorner with one O(7)MgMn3 tetrahedra, corners with two equivalent O(8)MgMn3 tetrahedra, corners with two equivalent O(10)Mg2Mn2 trigonal pyramids, corners with two equivalent O(5)MgMn3 trigonal pyramids, corners with two equivalent O(6)MgMn3 trigonal pyramids, and edges with two equivalent O(10)Mg2Mn2 trigonal pyramids. is represented by the CIF card [CIF]
data_MgMn2O4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.003
_cell_length_b   6.003
_cell_length_c   6.071
_cell_angle_alpha   119.498
_cell_angle_beta   90.941
_cell_angle_gamma   119.042
_symmetry_Int_Tables_number   1
_cell_volume   156.839
_cell_formula_units_Z   2
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  0.999  0.024  0.023  1.0
  Mg  Mg1  1  0.375  0.252  0.626  1.0
  Mn  Mn2  1  0.752  0.477  0.229  1.0
  Mn  Mn3  1  0.375  0.749  0.625  1.0
  Mn  Mn4  1  0.374  0.750  0.124  1.0
  Mn  Mn5  1  0.876  0.250  0.625  1.0
  O  O6  1  0.602  0.740  0.342  1.0
  O  O7  1  0.145  0.763  0.908  1.0
  O  O8  1  0.170  0.765  0.376  1.0
  O  O9  1  0.617  0.200  0.818  1.0
  O  O10  1  0.611  0.206  0.376  1.0
  O  O11  1  0.136  0.289  0.876  1.0
  O  O12  1  0.131  0.294  0.425  1.0
  O  O13  1  0.587  0.741  0.876  1.0
[/CIF]
.