data_[Pm6Ho3Tm3Te18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Tm  1.2500  1.7500  1.0950
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.7760]
_cell_length_b [7.7760]
_cell_length_c [21.1190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Pm2HoTmTe6]
_chemical_formula_sum '[Pm6 Ho3 Tm3 Te18]'
_cell_volume [1105.9107]
_cell_formula_units_Z [3]
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
[
  Pm  Pm0  3  0.0000  0.0000  0.4872  1
  Pm  Pm1  3  0.0000  0.0000  0.9872  1
  Ho  Ho2  3  0.0000  0.0000  0.6758  1
  Tm  Tm3  3  0.0000  0.0000  0.1757  1
  Te  Te4  9  0.0305  0.6847  0.2518  1
  Te  Te5  9  0.0320  0.3482  0.7524  1
]