data_[Sr4Ga8Si4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.0458]
_cell_length_b [9.3358]
_cell_length_c [6.3569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.0039]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [SrGa2SiO6]
_chemical_formula_sum '[Sr4 Ga8 Si4 O24]'
_cell_volume [567.6820]
_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
[
  Sr  Sr0  4  0.0000  0.1882  0.2500  1.0
  Ga  Ga1  8  0.2032  0.4401  0.1527  1.0
  Si  Si2  4  0.0000  0.1890  0.7500  1.0
  O  O3  8  0.0958  0.2791  0.9975  1.0
  O  O4  8  0.1013  0.0885  0.6901  1.0
  O  O5  8  0.1738  0.4259  0.4184  1.0
]