data_[Ag4Pt2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Pt  2.2800  1.3500  0.8050
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [6.7623]
_cell_length_b [11.8580]
_cell_length_c [15.8428]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Ag2PtSe3]
_chemical_formula_sum '[Ag4 Pt2 Se6]'
_cell_volume [1270.3972]
_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
[
  Ag  Ag0  4  0.4747  0.1263  0.5275  1
  Pt  Pt1  2  0.3576  0.5000  0.5163  1
  Se  Se2  4  0.3059  0.3084  0.4772  1
  Se  Se3  2  0.1989  0.0000  0.4743  1
]