data_global
_chemical_name_mineral 'Pyrophanite'
loop_
_publ_author_name
'Kidoh K'
'Tanaka K'
'Marumo F'
'Takei H'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 40 
_journal_year 1984
_journal_page_first 329
_journal_page_last 332
_publ_section_title
;
 Electron density distribution in ilmenite-type crystals. II.
 Manganese (II) titanium (IV) trioxide
 Sample: ilmenite structure
;
_database_code_amcsd 0009805
_chemical_formula_sum 'Mn Ti O3'
_cell_length_a 5.139
_cell_length_b 5.139
_cell_length_c 14.283
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 326.669
_exptl_crystal_density_diffrn      4.600
_symmetry_space_group_name_H-M 'R -3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mn   0.00000   0.00000   0.36002
Ti   0.00000   0.00000   0.14758
O   0.31890   0.03100   0.24393