data_[Sm2Er7Tm1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  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 [6.1009]
_cell_length_b [7.0623]
_cell_length_c [7.8822]
_cell_angle_alpha [77.1223]
_cell_angle_beta [74.9615]
_cell_angle_gamma [73.3886]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Sm2Er7Tm]
_chemical_formula_sum '[Sm2 Er7 Tm1]'
_cell_volume [310.2145]
_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
[
  Sm  Sm0  2  0.2010  0.2990  0.6009  1
  Er  Er1  2  0.1994  0.8001  0.6012  1
  Er  Er2  2  0.3995  0.6005  0.1988  1
  Er  Er3  2  0.3997  0.1006  0.1980  1
  Er  Er4  1  0.0000  0.5000  0.0000  1
  Tm  Tm5  1  0.0000  0.0000  0.0000  1
]