data_[Rb2Er2Mn2Se6]
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
  Mn  1.5500  1.4000  0.6483
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.3149]
_cell_length_b [4.2177]
_cell_length_c [10.0717]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6751]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbErMnSe3]
_chemical_formula_sum '[Rb2 Er2 Mn2 Se6]'
_cell_volume [372.5846]
_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  2  0.2127  0.2500  0.2386  1.0
  Er  Er1  2  0.3331  0.7500  0.8623  1.0
  Mn  Mn2  2  0.0858  0.2500  0.6108  1.0
  Se  Se3  2  0.1201  0.2500  0.8635  1.0
  Se  Se4  2  0.2043  0.7500  0.5436  1.0
  Se  Se5  2  0.4692  0.7500  0.1566  1.0
]