data_global
_amcsd_formula_title 'Ba Fe4 O11 Ti2'
loop_
_publ_author_name
'Obradors X'
'Collomb A'
'Pannetier J'
'Isalgue A'
'Tejada J'
'Joubert J'
_journal_name_full 'Materials Research Bulletin'
_journal_volume 18 
_journal_year 1983
_journal_page_first 1543
_journal_page_last 1553
_publ_section_title
;
 Crystal structure and cationic distribution of Ba Fe4 Ti2 O11
 R-type hexagonal ferrite
 _cod_database_code 1008210
;
_database_code_amcsd 0016146
_chemical_formula_sum 'Ba Fe3.99 Ti2.01 O11'
_cell_length_a 5.843
_cell_length_b 5.843
_cell_length_c 13.608
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 402.343
_exptl_crystal_density_diffrn      5.220
_symmetry_space_group_name_H-M 'P 63/m m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x,x-y,1/2-z'
  '-x+y,-x,1/2-z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x+y,-z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x+y,y,1/2-z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x,-x+y,-z'
  'x-y,x,-z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,x-y,1/2-z'
  'y,-x+y,1/2+z'
  '-x+y,y,z'
  'x-y,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ba1   0.33333   0.66667   0.25000   1.00000
Fe1   0.33333   0.66667   0.77800   0.50000
Fe2   0.00000   0.00000   0.13900   0.55000
Ti1   0.00000   0.00000   0.13900   0.45000
Fe3   0.50000   0.00000   0.00000   0.63000
Ti2   0.50000   0.00000   0.00000   0.37000
O1   0.33333   0.66667   0.58200   1.00000
O2   0.84900   0.69800   0.25000   1.00000
O3   0.17500   0.35000   0.08200   1.00000