data_AsWSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.9
_cell_length_b   4.9
_cell_length_c   6.54
_cell_angle_alpha   107.75
_cell_angle_beta   107.75
_cell_angle_gamma   38.33
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsWSe2
_chemical_formula_sum   'As1 W1 Se2'
_cell_volume   92.16
_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
  As  As0  1  0.73  0.0  0.33  1.0
  W  W3  1  0.06  0.0  0.33  1.0
  Se  Se1  1  0.06  0.0  0.39  1.0
  Se  Se2  1  0.13  0.0  0.23  1.0

data_AsWSe2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.22
_cell_length_b   4.9
_cell_length_c   6.54
_cell_angle_alpha   107.75
_cell_angle_beta   90.0
_cell_angle_gamma   109.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsWSe2
_chemical_formula_sum   'As1 W1 Se2'
_cell_volume   92.16
_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
  As  As0  1  0.0  0.27  0.67  1.0
  W  W1  1  0.0  0.94  0.67  1.0
  Se  Se2  1  0.0  0.87  0.77  1.0
  Se  Se3  1  0.0  0.94  0.61  1.0

As W Se Se