data_[Rb6Er2Cr4S12]
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
  Cr  1.6600  1.4000  0.9400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.5781]
_cell_length_b [11.3896]
_cell_length_c [7.8626]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2914]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3Er(CrS3)2]
_chemical_formula_sum '[Rb6 Er2 Cr4 S12]'
_cell_volume [565.4322]
_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  0.0000  0.1617  0.5000  1
  Rb  Rb1  2  0.0000  0.5000  0.5000  1
  Er  Er2  2  0.0000  0.0000  0.0000  1
  Cr  Cr3  4  0.0000  0.3332  0.0000  1
  S  S4  8  0.2388  0.1797  0.1768  1
  S  S5  4  0.1993  0.5000  0.1750  1
]