data_[K2Sr6Pm4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  Pm  1.1300  1.8500  1.1100
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.2848]
_cell_length_b [4.6340]
_cell_length_c [9.4427]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7852]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KSr3(PmTe3)2]
_chemical_formula_sum '[K2 Sr6 Pm4 Te12]'
_cell_volume [865.5955]
_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  0.0000  0.5000  0.0000  1
  Sr  Sr1  4  0.1611  0.0000  0.8370  1
  Sr  Sr2  2  0.0000  0.5000  0.5000  1
  Pm  Pm3  4  0.1659  0.0000  0.3356  1
  Te  Te4  4  0.0075  0.0000  0.2626  1
  Te  Te5  4  0.1708  0.5000  0.5787  1
  Te  Te6  4  0.1726  0.5000  0.1023  1
]