data_[Rb1Ce2Mg1Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ce  1.1200  1.8500  1.0800
  Mg  1.3100  1.5000  0.8600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.5332]
_cell_length_b [8.7034]
_cell_length_c [6.7313]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.7451]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [RbCe2MgCl8]
_chemical_formula_sum '[Rb1 Ce2 Mg1 Cl8]'
_cell_volume [382.3138]
_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  0.5000  0.0000  1.0
  Ce  Ce1  2  0.5000  0.2279  0.5000  1.0
  Mg  Mg2  1  0.0000  0.0000  0.0000  1.0
  Cl  Cl3  4  0.2227  0.2015  0.1667  1.0
  Cl  Cl4  2  0.2553  0.0000  0.6936  1.0
  Cl  Cl5  2  0.2884  0.5000  0.6306  1.0
]