data_[K6Ga4Sn8]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.7752]
_cell_length_b [4.6638]
_cell_length_c [9.8288]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.0621]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K3(GaSn2)2]
_chemical_formula_sum '[K6 Ga4 Sn8]'
_cell_volume [631.3374]
_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  4  0.1613  0.5000  0.6596  1
  K  K1  2  0.0000  0.0000  0.0000  1
  Ga  Ga2  4  0.0951  0.5000  0.2625  1
  Sn  Sn3  4  0.0704  0.0000  0.3928  1
  Sn  Sn4  4  0.2396  0.5000  0.0832  1
]