data_[Ag4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [2.9081]
_cell_length_b [9.5420]
_cell_length_c [19.8256]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.1172]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [AgN]
_chemical_formula_sum '[Ag4 N4]'
_cell_volume [550.1521]
_cell_formula_units_Z [4]
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
[
  Ag  Ag0  1  0.0038  0.6257  0.6111  1
  Ag  Ag1  1  0.0039  0.1258  0.6109  1
  Ag  Ag2  1  0.5035  0.8757  0.6119  1
  Ag  Ag3  1  0.5036  0.3758  0.6112  1
  N  N4  1  0.2339  0.1999  0.4062  1
  N  N5  1  0.2344  0.2963  0.3746  1
  N  N6  1  0.7575  0.7941  0.3685  1
  N  N7  1  0.7593  0.7067  0.4056  1
]