data_global
_chemical_name_mineral 'Qusongite'
loop_
_publ_author_name
'Leciejewicz J'
_journal_name_full 'Acta Crystallographica'
_journal_volume 14 
_journal_year 1961
_journal_page_first 200
_journal_page_last 200
_publ_section_title
;
 A note on the structure of tungsten carbide
;
_database_code_amcsd 0009247
_chemical_formula_sum 'W C'
_cell_length_a 2.9065
_cell_length_b 2.9065
_cell_length_c 2.8366
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 20.752
_exptl_crystal_density_diffrn     15.672
_symmetry_space_group_name_H-M 'P -6 m 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,x-y,-z'
  '-x+y,-x,-z'
  '-y,-x,z'
  '-y,x-y,z'
  '-x+y,y,-z'
  'x,y,-z'
  'x,x-y,z'
  '-x+y,-x,z'
  '-y,-x,-z'
  '-y,x-y,-z'
  '-x+y,y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
W   0.00000   0.00000   0.00000   0.01406
C   0.66667   0.33333   0.50000   0.01406