data_[Pm2Pr6Er4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.5165]
_cell_length_b [4.3939]
_cell_length_c [9.0189]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6074]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmPr3(ErTe3)2]
_chemical_formula_sum '[Pm2 Pr6 Er4 Te12]'
_cell_volume [748.4050]
_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
[
  Pr  Pr0  4  0.1615  0.0000  0.8314  1
  Pm  Pm1  2  0.0000  0.5000  0.0000  1
  Pr  Pr2  2  0.0000  0.5000  0.5000  1
  Er  Er3  4  0.1650  0.0000  0.3297  1
  Te  Te4  4  0.0059  0.0000  0.2497  1
  Te  Te5  4  0.1681  0.5000  0.0953  1
  Te  Te6  4  0.1715  0.5000  0.5730  1
]