data_AsSe3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.52
_cell_length_b   7.52
_cell_length_c   7.26
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsSe3
_chemical_formula_sum   'As4 Se12'
_cell_volume   355.67
_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
  As  As0  1  0.0  0.0  0.63  1.0
  As  As1  1  0.0  0.0  0.0  1.0
  As  As2  1  0.76  0.17  0.44  1.0
  As  As3  1  0.0  0.34  0.81  1.0
  Se  Se4  1  0.12  0.26  0.63  1.0
  Se  Se5  1  0.12  0.26  0.0  1.0
  Se  Se6  1  0.88  0.26  0.63  1.0
  Se  Se7  1  0.76  0.0  0.63  1.0
  Se  Se8  1  0.76  0.0  0.0  1.0
  Se  Se9  1  0.88  0.26  0.0  1.0
  Se  Se10  1  0.94  0.46  0.44  1.0
  Se  Se11  1  0.82  0.05  0.81  1.0
  Se  Se12  1  0.06  0.46  0.44  1.0
  Se  Se13  1  0.0  0.11  0.44  1.0
  Se  Se14  1  0.76  0.41  0.81  1.0
  Se  Se15  1  0.7  0.05  0.81  1.0

data_AsSe3
_symmetry_space_group_name_H-M   P1
_cell_length_a   7.26
_cell_length_b   7.52
_cell_length_c   7.52
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsSe3
_chemical_formula_sum   'As4 Se12'
_cell_volume   355.67
_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
  As  As0  1  0.0  0.0  0.0  1.0
  As  As1  1  0.44  0.76  0.17  1.0
  As  As2  1  0.63  0.0  0.0  1.0
  As  As3  1  0.81  0.0  0.34  1.0
  Se  Se4  1  -0.0  0.12  0.26  1.0
  Se  Se5  1  -0.0  0.88  0.26  1.0
  Se  Se6  1  0.0  0.76  0.0  1.0
  Se  Se7  1  0.44  0.0  0.11  1.0
  Se  Se8  1  0.44  0.06  0.46  1.0
  Se  Se9  1  0.44  0.94  0.46  1.0
  Se  Se10  1  0.63  0.12  0.26  1.0
  Se  Se11  1  0.63  0.76  0.0  1.0
  Se  Se12  1  0.63  0.88  0.26  1.0
  Se  Se13  1  0.81  0.7  0.05  1.0
  Se  Se14  1  0.81  0.76  0.41  1.0
  Se  Se15  1  0.81  0.82  0.05  1.0

As As As As Se Se Se Se Se Se Se Se Se Se Se Se