data_[Rb4Mn4Ag4Se12]
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
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.5026]
_cell_length_b [3.7440]
_cell_length_c [9.2739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.9030]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbMnAgSe3]
_chemical_formula_sum '[Rb4 Mn4 Ag4 Se12]'
_cell_volume [596.7406]
_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  0.1528  0.0000  0.5606  1
  Mn  Mn1  4  0.1703  0.0000  0.0702  1
  Ag  Ag2  4  0.0013  0.5000  0.7825  1
  Se  Se3  4  0.1620  0.5000  0.2420  1
  Se  Se4  4  0.1742  0.5000  0.8912  1
  Se  Se5  2  0.0000  0.0000  0.0000  1
  Se  Se6  2  0.0000  0.5000  0.5000  1
]