data_[Sr2Mg2Ga4Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.4529]
_cell_length_b [4.4891]
_cell_length_c [11.1365]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [SrMgGa2Si]
_chemical_formula_sum '[Sr2 Mg2 Ga4 Si2]'
_cell_volume [222.6166]
_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  2  0.0000  0.0000  0.4391  1.0
  Mg  Mg1  2  0.0000  0.5000  0.1937  1.0
  Ga  Ga2  2  0.0000  0.0000  0.0549  1.0
  Ga  Ga3  2  0.0000  0.5000  0.6929  1.0
  Si  Si4  2  0.0000  0.0000  0.8315  1.0
]