data_[Eu2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [5.3922]
_cell_length_b [7.2255]
_cell_length_c [7.3639]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.5200]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [EuSe3]
_chemical_formula_sum '[Eu2 Se6]'
_cell_volume [221.3203]
_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
[
  Eu  Eu0  2  0.0141  0.2578  0.0029  1.0
  Se  Se1  2  0.0468  0.3116  0.4591  1.0
  Se  Se2  2  0.3386  0.0986  0.7908  1.0
  Se  Se3  2  0.6004  0.3882  0.4910  1.0
]