data_[Cd4Sn2N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cd  1.6900  1.5500  1.0900
  Sn  1.9600  1.4500  0.8300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [19.9654]
_cell_length_b [3.8358]
_cell_length_c [6.5175]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Cd2SnN2]
_chemical_formula_sum '[Cd4 Sn2 N4]'
_cell_volume [499.1276]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Cd  Cd0  4  0.3756  0.2812  0.3017  1
  Sn  Sn1  2  0.5000  0.1009  0.6110  1
  N  N2  4  0.3951  0.2326  0.6359  1
]