data_[K2Eu2Si2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Eu  1.2000  1.8500  1.1985
  Si  1.9000  1.1000  0.5400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [6.5757]
_cell_length_b [6.7361]
_cell_length_c [8.7052]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5191]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [KEuSiS4]
_chemical_formula_sum '[K2 Eu2 Si2 S8]'
_cell_volume [367.7067]
_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  0.2283  0.6917  0.9333  1.0
  Eu  Eu1  2  0.2648  0.7259  0.4454  1.0
  Si  Si2  2  0.2826  0.1753  0.6775  1.0
  S  S3  2  0.0809  0.1209  0.4381  1.0
  S  S4  2  0.0893  0.1737  0.8324  1.0
  S  S5  2  0.4676  0.4407  0.7014  1.0
  S  S6  2  0.4807  0.4474  0.2758  1.0
]