data_[Sr4Ga6Si4]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.0082]
_cell_length_b [4.2470]
_cell_length_c [6.6167]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.5065]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2Ga3Si2]
_chemical_formula_sum '[Sr4 Ga6 Si4]'
_cell_volume [332.8087]
_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
[
  Sr  Sr0  4  0.1620  0.5000  0.7236  1.0
  Ga  Ga1  4  0.1289  0.5000  0.2008  1.0
  Ga  Ga2  2  0.0000  0.0000  0.0000  1.0
  Si  Si3  4  0.0654  0.0000  0.3795  1.0
]