data_[Rb12Ga16Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [11.3679]
_cell_length_b [6.9218]
_cell_length_c [15.2838]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.0246]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb3Ga4Si]
_chemical_formula_sum '[Rb12 Ga16 Si4]'
_cell_volume [1180.4261]
_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  0.0081  0.6065  0.6527  1
  Rb  Rb1  4  0.2770  0.2042  0.6041  1
  Rb  Rb2  4  0.4438  0.1217  0.8641  1
  Ga  Ga3  4  0.0430  0.6047  0.9431  1
  Ga  Ga4  4  0.2523  0.7125  0.4870  1
  Ga  Ga5  4  0.3301  0.6594  0.7732  1
  Ga  Ga6  4  0.4289  0.6009  0.9410  1
  Si  Si7  4  0.2068  0.5057  0.8692  1
]