data_[Rb4Mn4Cr4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mn  1.5500  1.4000  0.6483
  Cr  1.6600  1.4000  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.9551]
_cell_length_b [15.4245]
_cell_length_c [10.4060]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbMnCrSe3]
_chemical_formula_sum '[Rb4 Mn4 Cr4 Se12]'
_cell_volume [634.8180]
_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  0.0000  0.2533  0.2500  1.0
  Mn  Mn1  4  0.0000  0.4613  0.7500  1.0
  Cr  Cr2  4  0.0000  0.0000  0.0000  1.0
  Se  Se3  8  0.0000  0.3896  0.5401  1.0
  Se  Se4  4  0.0000  0.0582  0.7500  1.0
]