data_[Rb2Cr2Te2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cr  1.6600  1.4000  0.9400
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.2325]
_cell_length_b [6.6103]
_cell_length_c [8.4459]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1094]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbCrTeSe4]
_chemical_formula_sum '[Rb2 Cr2 Te2 Se8]'
_cell_volume [445.7508]
_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  0.2848  0.7500  0.7280  1
  Cr  Cr1  2  0.4259  0.2500  0.5699  1
  Te  Te2  2  0.1221  0.2500  0.8504  1
  Se  Se3  4  0.3452  0.5013  0.3479  1
  Se  Se4  2  0.1195  0.2500  0.5470  1
  Se  Se5  2  0.4386  0.2500  0.8683  1
]