data_[Yb2Tm2Si4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [6.8576]
_cell_length_b [9.0416]
_cell_length_c [4.7877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.0434]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [YbTmSi2O7]
_chemical_formula_sum '[Yb2 Tm2 Si4 O14]'
_cell_volume [290.3255]
_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
[
  Yb  Yb0  2  0.0000  0.6905  0.5000  1
  Tm  Tm1  2  0.0000  0.3063  0.5000  1
  Si  Si2  4  0.2177  0.9963  0.9082  1
  O  O3  4  0.1181  0.4968  0.7880  1
  O  O4  4  0.2266  0.1477  0.7213  1
  O  O5  4  0.2416  0.8486  0.7173  1
  O  O6  2  0.0000  0.9852  0.0000  1
]