data_global
_chemical_name_mineral 'Wustite'
loop_
_publ_author_name
'Fjellvag H'
'Gronvold F'
'Stolen S'
'Hauback B C'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 124 
_journal_year 1996
_journal_page_first 52
_journal_page_last 57
_publ_section_title
;
 On the crystallographic and magnetic structures of
 nearly stoichiometric iron monoxide
 Note: low-temperature polymorph
 Sample: Three-Phase Mixture FeO, T = 12 K
;
_database_code_amcsd 0013897
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Fe O'
_cell_length_a 6.132
_cell_length_b 6.132
_cell_length_c 6.132
_cell_angle_alpha 59.34
_cell_angle_beta 59.34
_cell_angle_gamma 59.34
_cell_volume 160.589
_exptl_crystal_density_diffrn      5.943
_symmetry_space_group_name_H-M 'R -3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-z,-x,-y'
  'y,z,x'
  '-x,-y,-z'
  'z,x,y'
  '-y,-z,-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe1   0.00000   0.00000   0.00000
Fe2   0.50000   0.50000   0.50000
Fe3   0.50000   0.00000   0.00000
Fe4   0.00000   0.50000   0.50000
O1   0.25000   0.25000   0.25000
O2   0.25000   0.25000   0.75000