data_[Ce4Pm2Tm6As12]
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
  Tm  1.2500  1.7500  1.0950
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0330]
_cell_length_b [4.1494]
_cell_length_c [8.2814]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.0509]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce2Pm(TmAs2)3]
_chemical_formula_sum '[Ce4 Pm2 Tm6 As12]'
_cell_volume [603.6553]
_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  4  0.1663  0.0000  0.3323  1
  Pm  Pm1  2  0.0000  0.5000  0.0000  1
  Tm  Tm2  4  0.1660  0.0000  0.8338  1
  Tm  Tm3  2  0.0000  0.5000  0.5000  1
  As  As4  4  0.0014  0.0000  0.7430  1
  As  As5  4  0.1650  0.5000  0.5878  1
  As  As6  4  0.1693  0.5000  0.0795  1
]