data_[Ag3N3]
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 [P2/m]
_cell_length_a [6.2520]
_cell_length_b [2.8736]
_cell_length_c [19.7955]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [AgN]
_chemical_formula_sum '[Ag3 N3]'
_cell_volume [355.6414]
_cell_formula_units_Z [3]
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  2  0.1212  0.0000  0.8789  1
  Ag  Ag1  1  0.0000  0.5000  0.0000  1
  N  N2  2  0.3505  0.5000  0.0370  1
  N  N3  1  0.5000  0.5000  0.0000  1
]