data_global
_amcsd_formula_title 'N Na'
loop_
_publ_author_name
'Verweel H'
'Bijvoet J'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 100 
_journal_year 1938
_journal_page_first 210
_journal_page_last 207
_publ_section_title
;
 Die Kristallstruktur des Na C N
 _cod_database_code 1010448
;
_database_code_amcsd 0017369
_chemical_formula_sum 'Na C N'
_cell_length_a 3.74
_cell_length_b 4.71
_cell_length_c 5.61
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 98.822
_exptl_crystal_density_diffrn      1.647
_symmetry_space_group_name_H-M 'I m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  'x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Na1   0.00000   0.00000   0.00000   1.00000
C1   0.50000   0.61100   0.00000   0.25000
C2   0.50000   0.38900   0.00000   0.25000
N1   0.50000   0.61100   0.00000   0.25000
N2   0.50000   0.38900   0.00000   0.25000