data_global
_amcsd_formula_title 'F4 O U'
loop_
_publ_author_name
'Levy J'
'Taylor J'
'Wilson P'
_journal_name_full 'Journal of Inorganic and Nuclear Chemistry'
_journal_volume 39 
_journal_year 1977
_journal_page_first 1989
_journal_page_last 1991
_publ_section_title
;
 The structures of fluorides-XVII neutron diffraction study of alpha-
 uranium oxide tetrafluoride
 _cod_database_code 1008255
;
_database_code_amcsd 0016177
_chemical_formula_sum 'U O F4'
_cell_length_a 13.095
_cell_length_b 13.095
_cell_length_c 5.658
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 840.242
_exptl_crystal_density_diffrn      5.870
_symmetry_space_group_name_H-M 'R 3 m'
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'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,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
U1   0.86230  -0.86230   0.00000
O1   0.46660  -0.46660   0.12260
F1   0.59120  -0.59120   0.54900
F2   0.04450   0.75890   0.91460
F3   0.25140  -0.25140   0.38620