data_[Pm4Er7Tm1]
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 [P-1]
_cell_length_a [6.5125]
_cell_length_b [6.7881]
_cell_length_c [9.0337]
_cell_angle_alpha [84.9769]
_cell_angle_beta [77.0947]
_cell_angle_gamma [81.6532]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Pm4Er7Tm]
_chemical_formula_sum '[Pm4 Er7 Tm1]'
_cell_volume [384.5174]
_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  0.1634  0.6172  0.3061  1
  Pm  Pm1  2  0.3602  0.1896  0.7156  1
  Er  Er2  2  0.1876  0.1064  0.3832  1
  Er  Er3  2  0.3181  0.6991  0.6422  1
  Er  Er4  2  0.4887  0.2468  0.0495  1
  Er  Er5  1  0.0000  0.5000  0.0000  1
  Tm  Tm6  1  0.0000  0.0000  0.0000  1
]