data_[Rb4Mg2Cu2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Cu  1.9000  1.3500  0.8200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.2530]
_cell_length_b [7.2462]
_cell_length_c [12.2111]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.2224]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2MgCuCl6]
_chemical_formula_sum '[Rb4 Mg2 Cu2 Cl12]'
_cell_volume [517.7372]
_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  0.2492  0.5005  0.7500  1.0
  Mg  Mg1  2  0.5000  0.0000  0.0000  1.0
  Cu  Cu2  2  0.0000  0.0000  0.5000  1.0
  Cl  Cl3  4  0.2253  0.0016  0.7359  1.0
  Cl  Cl4  4  0.2379  0.7332  0.0050  1.0
  Cl  Cl5  4  0.2750  0.2301  0.0047  1.0
]