data_[K2Sm2Cu2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sm  1.1700  1.8500  1.2290
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [8.5825]
_cell_length_b [4.7069]
_cell_length_c [8.6044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.3204]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [KSmCuTe2]
_chemical_formula_sum '[K2 Sm2 Cu2 Te4]'
_cell_volume [343.9323]
_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  0.5000  0.1884  0.2500  1
  Sm  Sm1  2  0.0000  0.4934  0.7500  1
  Cu  Cu2  2  0.0000  0.0000  0.0000  1
  Te  Te3  4  0.2427  0.3012  0.5324  1
]