data_[Ba4Cu2Ag2N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0772]
_cell_length_b [4.3209]
_cell_length_c [9.4133]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0232]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ba2CuAgN]
_chemical_formula_sum '[Ba4 Cu2 Ag2 N2]'
_cell_volume [270.4571]
_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
[
  Ba  Ba0  2  0.1934  0.2500  0.3699  1.0
  Ba  Ba1  2  0.2118  0.2500  0.9690  1.0
  Cu  Cu2  2  0.4566  0.7500  0.2496  1.0
  Ag  Ag3  2  0.3242  0.7500  0.6941  1.0
  N  N4  2  0.1779  0.7500  0.1673  1.0
]