data_[V2Ag4Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [20.2074]
_cell_length_b [3.3894]
_cell_length_c [9.1753]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [VAg2Se3]
_chemical_formula_sum '[V2 Ag4 Se6]'
_cell_volume [628.4251]
_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
[
  V  V0  2  0.5000  0.0000  0.8935  1
  Ag  Ag1  4  0.3712  0.0000  0.7212  1
  Se  Se2  4  0.3996  0.0000  0.4469  1
  Se  Se3  2  0.5000  0.0000  0.1866  1
]