data_[Rb4Ce4Mn4Se12]
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
  Mn  1.5500  1.4000  0.6483
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [11.5451]
_cell_length_b [4.2140]
_cell_length_c [15.0375]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbCeMnSe3]
_chemical_formula_sum '[Rb4 Ce4 Mn4 Se12]'
_cell_volume [731.5874]
_cell_formula_units_Z [4]
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  0.2177  0.7500  0.9904  1
  Ce  Ce1  4  0.0141  0.2500  0.7370  1
  Mn  Mn2  4  0.2363  0.2500  0.2206  1
  Se  Se3  4  0.0633  0.2500  0.1337  1
  Se  Se4  4  0.1064  0.7500  0.6163  1
  Se  Se5  4  0.2403  0.7500  0.2984  1
]