data_[Ga4Si4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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/m]
_cell_length_a [6.3041]
_cell_length_b [8.2096]
_cell_length_c [4.7165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.5990]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ga2Si2O7]
_chemical_formula_sum '[Ga4 Si4 O14]'
_cell_volume [236.2178]
_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
[
  Ga  Ga0  4  0.0000  0.3108  0.0000  1.0
  Si  Si1  4  0.2264  0.0000  0.4033  1.0
  O  O2  8  0.2314  0.1663  0.2088  1.0
  O  O3  4  0.0915  0.5000  0.2730  1.0
  O  O4  2  0.0000  0.0000  0.5000  1.0
]