data_[Nb2Ag2As2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.9513]
_cell_length_b [6.6502]
_cell_length_c [5.2683]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [NbAgAsO]
_chemical_formula_sum '[Nb2 Ag2 As2 O2]'
_cell_volume [138.4340]
_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
[
  Nb  Nb0  2  0.0000  0.1354  0.3879  1
  Ag  Ag1  2  0.5000  0.4606  0.0886  1
  As  As2  2  0.0000  0.2543  0.8801  1
  O  O3  2  0.5000  0.1503  0.3974  1
]