data_Ag2WSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.79
_cell_length_b   5.79
_cell_length_c   5.79
_cell_angle_alpha   149.58
_cell_angle_beta   134.04
_cell_angle_gamma   56.12
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2WSe
_chemical_formula_sum   'Ag2 W1 Se1'
_cell_volume   70.1
_cell_formula_units_Z   1
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  0.0  0.26  0.57  1.0
  Ag  Ag1  1  0.52  0.0  0.54  1.0
  W  W3  1  0.0  0.0  0.11  1.0
  Se  Se2  1  0.0  0.0  0.0  1.0

data_Ag2WSe
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.04
_cell_length_b   4.52
_cell_length_c   5.79
_cell_angle_alpha   112.98
_cell_angle_beta   105.21
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2WSe
_chemical_formula_sum   'Ag2 W1 Se1'
_cell_volume   70.1
_cell_formula_units_Z   1
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  0.43  0.69  0.69  1.0
  Ag  Ag1  1  0.98  0.46  0.98  1.0
  W  W2  1  0.89  0.89  0.89  1.0
  Se  Se3  1  0.0  0.0  0.0  1.0

Ag Ag W Se