data_[Ce2Pm4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  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 [16.8884]
_cell_length_b [4.4720]
_cell_length_c [7.7745]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.3188]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce(PmTe2)2]
_chemical_formula_sum '[Ce2 Pm4 Te8]'
_cell_volume [526.3080]
_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
[
  Ce  Ce0  2  0.0000  0.0000  0.0000  1
  Pm  Pm1  4  0.2404  0.5000  0.7291  1
  Te  Te2  4  0.1238  0.0000  0.4509  1
  Te  Te3  4  0.1329  0.5000  0.9801  1
]