The structure described by Mn2O3 is Corundum-like structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form a mixture of distorted corner, edge, and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 45-61°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form a mixture of distorted corner, edge, and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 45-61°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to two equivalent Mn(1) and two equivalent Mn(2) atoms. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Mn(1) and two equivalent Mn(2) atoms. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to two equivalent Mn(1) and two equivalent Mn(2) atoms. is represented by the CIF file [CIF]
data_Mn2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.039
_cell_length_b   5.480
_cell_length_c   5.627
_cell_angle_alpha   60.901
_cell_angle_beta   87.364
_cell_angle_gamma   57.037
_symmetry_Int_Tables_number   1
_cell_volume   108.721
_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
  Mn  Mn0  1  0.644  0.700  0.952  1.0
  Mn  Mn1  1  0.856  0.296  0.547  1.0
  Mn  Mn2  1  0.144  0.704  0.453  1.0
  Mn  Mn3  1  0.357  0.301  0.048  1.0
  O  O4  1  0.548  0.481  0.744  1.0
  O  O5  1  0.750  0.835  0.251  1.0
  O  O6  1  0.049  0.226  0.244  1.0
  O  O7  1  0.952  0.774  0.756  1.0
  O  O8  1  0.250  0.165  0.749  1.0
  O  O9  1  0.452  0.519  0.256  1.0
[/CIF]
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The structure described by Mn2O3 is Corundum-like structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form a mixture of distorted corner, edge, and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 45-61°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form a mixture of distorted corner, edge, and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 45-61°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to two equivalent Mn(1) and two equivalent Mn(2) atoms. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Mn(1) and two equivalent Mn(2) atoms. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to two equivalent Mn(1) and two equivalent Mn(2) atoms. is represented by the CIF file [CIF]
data_Mn2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.039
_cell_length_b   5.480
_cell_length_c   5.627
_cell_angle_alpha   60.901
_cell_angle_beta   87.364
_cell_angle_gamma   57.037
_symmetry_Int_Tables_number   1
_cell_volume   108.721
_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
  Mn  Mn0  1  0.644  0.700  0.952  1.0
  Mn  Mn1  1  0.856  0.296  0.547  1.0
  Mn  Mn2  1  0.144  0.704  0.453  1.0
  Mn  Mn3  1  0.357  0.301  0.048  1.0
  O  O4  1  0.548  0.481  0.744  1.0
  O  O5  1  0.750  0.835  0.251  1.0
  O  O6  1  0.049  0.226  0.244  1.0
  O  O7  1  0.952  0.774  0.756  1.0
  O  O8  1  0.250  0.165  0.749  1.0
  O  O9  1  0.452  0.519  0.256  1.0
[/CIF]
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