data_[Rb2Mn2Pb2Se6]
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
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.8227]
_cell_length_b [4.2792]
_cell_length_c [9.9748]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.5736]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbMnPbSe3]
_chemical_formula_sum '[Rb2 Mn2 Pb2 Se6]'
_cell_volume [410.7500]
_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  0.1950  0.2500  0.1691  1.0
  Mn  Mn1  2  0.4158  0.7500  0.9284  1.0
  Pb  Pb2  2  0.1426  0.2500  0.6294  1.0
  Se  Se3  2  0.1549  0.7500  0.4262  1.0
  Se  Se4  2  0.1766  0.7500  0.8797  1.0
  Se  Se5  2  0.4719  0.2500  0.8361  1.0
]