data_[Y14Er4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.9659]
_cell_length_b [9.3830]
_cell_length_c [8.5939]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.8828]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Y7(ErTm)2]
_chemical_formula_sum '[Y14 Er4 Tm4]'
_cell_volume [709.9763]
_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  8  0.2342  0.3145  0.2098  1
  Y  Y1  4  0.1550  0.0000  0.4113  1
  Y  Y2  2  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.1036  0.5000  0.8563  1
  Tm  Tm4  4  0.0000  0.3246  0.5000  1
]