data_[Rb4In4Cu2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  In  1.7800  1.5500  0.9400
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.2995]
_cell_length_b [7.2995]
_cell_length_c [6.4138]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Rb2In2Cu]
_chemical_formula_sum '[Rb4 In4 Cu2]'
_cell_volume [341.7418]
_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  4  0.1824  0.6824  0.5000  1
  In  In1  4  0.1472  0.3528  0.0000  1
  Cu  Cu2  2  0.0000  0.0000  0.0000  1
]