data_[Y4Tm2Mg16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.2492]
_cell_length_b [7.7237]
_cell_length_c [14.2007]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Y2TmMg8]
_chemical_formula_sum '[Y4 Tm2 Mg16]'
_cell_volume [575.7475]
_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
[
  Y  Y0  4  0.0000  0.5000  0.2133  1
  Tm  Tm1  2  0.0000  0.5000  0.5000  1
  Mg  Mg2  8  0.0000  0.1920  0.3674  1
  Mg  Mg3  4  0.0000  0.0000  0.1513  1
  Mg  Mg4  4  0.0000  0.2950  0.0000  1
]