data_[Pm7Tm3Mg1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.5418]
_cell_length_b [6.5619]
_cell_length_c [8.6720]
_cell_angle_alpha [97.1321]
_cell_angle_beta [98.5229]
_cell_angle_gamma [94.6584]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Pm7Tm3Mg]
_chemical_formula_sum '[Pm7 Tm3 Mg1]'
_cell_volume [363.4116]
_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  0.2108  0.7215  0.2165  1
  Pm  Pm1  2  0.2604  0.0196  0.5974  1
  Pm  Pm2  2  0.3051  0.4675  0.8552  1
  Pm  Pm3  1  0.0000  0.5000  0.5000  1
  Tm  Tm4  2  0.0817  0.1964  0.1548  1
  Tm  Tm5  1  0.5000  0.0000  0.0000  1
  Mg  Mg6  1  0.5000  0.5000  0.5000  1
]