data_global
_chemical_name_mineral 'Tongbaite'
loop_
_publ_author_name
'Rundqvist S'
'Runnsjo G'
_journal_name_full 'Acta Chemica Scandinavica'
_journal_volume 23 
_journal_year 1969
_journal_page_first 1191
_journal_page_last 1199
_publ_section_title
;
 Crystal structure refinement of Cr3C2
 Note: values obtained from intensities recorded photographically
;
_database_code_amcsd 0011913
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Cr3 C2'
_cell_length_a 5.5329
_cell_length_b 2.8290
_cell_length_c 11.4719
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 179.565
_exptl_crystal_density_diffrn      6.659
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Cr1   0.01570   0.25000   0.40150   0.00203
Cr2   0.18080   0.25000   0.77370   0.00177
Cr3   0.86910   0.25000   0.93120   0.00152
C1   0.10080   0.25000   0.20550   0.00367
C2   0.24320   0.25000   0.95360   0.00215