data_[Sm8Er2Mg14]
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
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4723]
_cell_length_b [5.7090]
_cell_length_c [11.6142]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.5910]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm4ErMg7]
_chemical_formula_sum '[Sm8 Er2 Mg14]'
_cell_volume [691.6934]
_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
[
  Sm  Sm0  4  0.0644  0.5000  0.3373  1
  Sm  Sm1  4  0.1597  0.0000  0.7805  1
  Er  Er2  2  0.0000  0.0000  0.0000  1
  Mg  Mg3  4  0.1280  0.0000  0.5003  1
  Mg  Mg4  4  0.2026  0.5000  0.9229  1
  Mg  Mg5  4  0.2374  0.0000  0.3121  1
  Mg  Mg6  2  0.0000  0.5000  0.0000  1
]