data_1011262
_chemical_name_systematic          'Manganese dimanganese(III) oxide'
_chemical_name_mineral             'Hausmannite'
_chemical_compound_source          'from Langban, Sweden'
_chemical_formula_structural       'Mn3 O4'
_chemical_formula_sum              'Mn3 O4'
_publ_section_title
;
Ueber die Kristallstruktur von Hausmannit (Mn Mn2 O4).
;
_publ_author_name                  'Aminoff, G'
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_coden_ASTM                ZEKGAX
_journal_volume                    64
_journal_year                      1926
_journal_page_first                475
_journal_page_last                 490
_cell_length_a                     5.762
_cell_length_b                     5.762
_cell_length_c                     9.439
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       313.4
_cell_formula_units_Z              4
_exptl_crystal_density_meas        4.84
_symmetry_space_group_name_H-M     'I 41/a m d S'
_symmetry_Int_Tables_number        141
_symmetry_cell_setting             tetragonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-y,z'
  'x,1/2+y,1/4-z'
  '-x,1/2-y,1/4-z'
  '-x,y,z'
  'x,-y,z'
  '-x,1/2+y,1/4-z'
  'x,1/2-y,1/4-z'
  'y,x,-z'
  '-y,-x,-z'
  'y,1/2+x,1/4+z'
  '-y,1/2-x,1/4+z'
  '-y,x,-z'
  'y,-x,-z'
  '-y,1/2+x,1/4+z'
  'y,1/2-x,1/4+z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '1/2+x,y,3/4-z'
  '1/2-x,-y,3/4-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,y,3/4-z'
  '1/2+x,-y,3/4-z'
  '1/2+y,1/2+x,1/2-z'
  '1/2-y,1/2-x,1/2-z'
  '1/2+y,x,3/4+z'
  '1/2-y,-x,3/4+z'
  '1/2-y,1/2+x,1/2-z'
  '1/2+y,1/2-x,1/2-z'
  '1/2-y,x,3/4+z'
  '1/2+y,-x,3/4+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Mn2+   2.000
  Mn3+   3.000
  O2-   -2.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Mn1   Mn2+   4 a 0. 0. 0. 1.  0 d
  Mn2   Mn3+   8 d 0.5 0.25 0.125 1.  0 d
  O1    O2-   16 h 0. 0.25 0.375 1.  0 d