data_[Rb2Cu2Sb2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [10.2855]
_cell_length_b [4.2774]
_cell_length_c [10.3972]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.8881]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbCuSbTe3]
_chemical_formula_sum '[Rb2 Cu2 Sb2 Te6]'
_cell_volume [424.4569]
_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  0.2353  0.7500  0.2012  1.0
  Cu  Cu1  2  0.4306  0.2500  0.9326  1.0
  Sb  Sb2  2  0.1448  0.7500  0.6675  1.0
  Te  Te3  2  0.1552  0.2500  0.8774  1.0
  Te  Te4  2  0.1709  0.2500  0.4702  1.0
  Te  Te5  2  0.4652  0.7500  0.7979  1.0
]