data_[Rb1Er1Mg2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.5366]
_cell_length_b [6.5688]
_cell_length_c [9.1080]
_cell_angle_alpha [76.0338]
_cell_angle_beta [77.1597]
_cell_angle_gamma [75.8000]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbErMg2Cl8]
_chemical_formula_sum '[Rb1 Er1 Mg2 Cl8]'
_cell_volume [362.3533]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Er  Er1  1  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  2  0.4573  0.4491  0.7119  1.0
  Cl  Cl3  2  0.1886  0.7289  0.2214  1.0
  Cl  Cl4  2  0.2408  0.7812  0.7929  1.0
  Cl  Cl5  2  0.2812  0.2393  0.9477  1.0
  Cl  Cl6  2  0.3618  0.3140  0.5188  1.0
]