data_[Rb4Mo2Se10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mo  2.1600  1.4500  0.7750
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.6374]
_cell_length_b [8.7978]
_cell_length_c [12.9119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Rb2MoSe5]
_chemical_formula_sum '[Rb4 Mo2 Se10]'
_cell_volume [640.3936]
_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  0.0000  0.0000  0.1595  1
  Rb  Rb1  2  0.0000  0.0000  0.7506  1
  Mo  Mo2  2  0.0000  0.5000  0.9672  1
  Se  Se3  8  0.2309  0.2042  0.5295  1
  Se  Se4  2  0.0000  0.5000  0.7885  1
]