data_[Pm3Er7Tm2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [3.5975]
_cell_length_b [5.5339]
_cell_length_c [20.3612]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.1564]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm3Er7Tm2]
_chemical_formula_sum '[Pm3 Er7 Tm2]'
_cell_volume [403.7179]
_cell_formula_units_Z [1]
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  2  0.1731  0.0000  0.3394  1
  Pm  Pm1  1  0.5000  0.5000  0.0000  1
  Er  Er2  2  0.0697  0.5000  0.1349  1
  Er  Er3  2  0.2849  0.5000  0.5698  1
  Er  Er4  2  0.4122  0.0000  0.8289  1
  Er  Er5  1  0.0000  0.0000  0.0000  1
  Tm  Tm6  2  0.3589  0.5000  0.7269  1
]