data_[Rb2Eu2Zn2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Eu  1.2000  1.8500  1.1985
  Zn  1.6500  1.3500  0.8800
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6488]
_cell_length_b [4.8607]
_cell_length_c [10.4703]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.7524]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbEuZnSe3]
_chemical_formula_sum '[Rb2 Eu2 Zn2 Se6]'
_cell_volume [334.4376]
_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
[
  Rb  Rb0  2  0.3206  0.2500  0.8433  1
  Eu  Eu1  2  0.2437  0.7500  0.4067  1
  Zn  Zn2  2  0.0903  0.2500  0.1341  1
  Se  Se3  2  0.0406  0.7500  0.6559  1
  Se  Se4  2  0.1781  0.7500  0.0723  1
  Se  Se5  2  0.4765  0.2500  0.3352  1
]