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 measured with scintillation counter
;
_database_code_amcsd 0011914
_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   0.01632   0.25000   0.40165   0.00683
Cr2   0.18079   0.25000   0.77351   0.00670
Cr3   0.86913   0.25000   0.93131   0.00640
C1   0.09930   0.25000   0.20610   0.01039
C2   0.24040   0.25000   0.95310   0.01051