data_[Mn4Al4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Al  1.6100  1.2500  0.6750
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6669]
_cell_length_b [20.7856]
_cell_length_c [7.0160]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [MnAlSe3]
_chemical_formula_sum '[Mn4 Al4 Se12]'
_cell_volume [534.7510]
_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
[
  Mn  Mn0  4  0.0000  0.4216  0.2500  1
  Al  Al1  4  0.0000  0.1169  0.2500  1
  Se  Se2  8  0.0000  0.3513  0.5199  1
  Se  Se3  4  0.0000  0.0033  0.7500  1
]