data_Ag2Se
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.36
_cell_length_b   7.0
_cell_length_c   7.49
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2Se
_chemical_formula_sum   'Ag8 Se4'
_cell_volume   228.54
_cell_formula_units_Z   4
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  1  0.27  0.09  0.11  1.0
  Ag  Ag1  1  0.26  0.91  0.85  1.0
  Ag  Ag2  1  0.1  0.41  0.38  1.0
  Ag  Ag3  1  0.08  0.59  0.64  1.0
  Ag  Ag4  1  0.33  0.63  0.91  1.0
  Ag  Ag5  1  0.21  0.37  0.65  1.0
  Ag  Ag6  1  0.15  0.87  0.59  1.0
  Ag  Ag7  1  0.03  0.13  0.84  1.0
  Se  Se8  1  0.14  0.57  0.79  1.0
  Se  Se9  1  0.04  0.43  0.54  1.0
  Se  Se10  1  0.32  0.93  0.7  1.0
  Se  Se11  1  0.21  0.07  0.95  1.0

data_Ag2Se
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.36
_cell_length_b   7.0
_cell_length_c   7.49
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2Se
_chemical_formula_sum   'Ag8 Se4'
_cell_volume   228.54
_cell_formula_units_Z   4
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  1  0.03  0.13  0.84  1.0
  Ag  Ag1  1  0.08  0.59  0.64  1.0
  Ag  Ag2  1  0.1  0.41  0.38  1.0
  Ag  Ag3  1  0.15  0.87  0.59  1.0
  Ag  Ag4  1  0.21  0.37  0.65  1.0
  Ag  Ag5  1  0.26  0.91  0.85  1.0
  Ag  Ag6  1  0.27  0.09  0.11  1.0
  Ag  Ag7  1  0.33  0.63  0.91  1.0
  Se  Se8  1  0.04  0.43  0.54  1.0
  Se  Se9  1  0.14  0.57  0.79  1.0
  Se  Se10  1  0.21  0.07  0.95  1.0
  Se  Se11  1  0.32  0.93  0.7  1.0

Ag Ag Ag Ag Ag Ag Ag Ag Se Se Se Se