data_1008915
_chemical_name_systematic          'Lutetium manganese(III) trioxide'
_chemical_formula_structural       'Lu Mn O3'
_chemical_formula_sum              'Lu Mn O3'
_publ_section_title
;
On the crystal structure of the manganese(III) trioxides of the heavy
lanthanides and yttrium
;
loop_
_publ_author_name
  'Yakel, H L'
  'Koehler, W C'
  'Bertaut, E F'
  'Forrat, E F'
_journal_name_full                 'Acta Crystallographica (1,1948-23,1967)'
_journal_coden_ASTM                ACCRA9
_journal_volume                    16
_journal_year                      1963
_journal_page_first                957
_journal_page_last                 962
_cell_length_a                     6.042(1)
_cell_length_b                     6.042
_cell_length_c                     11.37(1)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  120
_cell_volume                       359.5
_cell_formula_units_Z              6
_symmetry_space_group_name_H-M     'P 63 c m'
_symmetry_Int_Tables_number        185
_symmetry_cell_setting             hexagonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-y,x-y,z'
  'y-x,-x,z'
  'y,x,z'
  'x-y,-y,z'
  '-x,y-x,z'
  '-x,-y,1/2+z'
  'y,y-x,1/2+z'
  'x-y,x,1/2+z'
  '-y,-x,1/2+z'
  'y-x,y,1/2+z'
  'x,x-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Lu3+   3.000
  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
  Lu1   Lu3+   2 a 0. 0. 0.2705 1.  0 d
  Lu2   Lu3+   4 b 0.3333 0.6667 0.2266 1.  0 d
  Mn1   Mn3+   6 c 0.3212 0. 0. 1.  0 d
  O1    O2-    6 c 0.3071 0. 0.1699 1.  0 d
  O2    O2-    6 c 0.6328 0. 0.3397 1.  0 d
  O3    O2-    2 a 0. 0. 0.4836 1.  0 d
  O4    O2-    4 b 0.3333 0.6667 0.0189 1.  0 d