data_[K2Ga2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [4.0520]
_cell_length_b [5.5599]
_cell_length_c [7.3982]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [KGaSi]
_chemical_formula_sum '[K2 Ga2 Si2]'
_cell_volume [166.6711]
_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
[
  K  K0  2  0.2500  0.5000  0.2432  1.0
  Ga  Ga1  2  0.2500  0.0000  0.5919  1.0
  Si  Si2  2  0.2500  0.0000  0.9165  1.0
]