data_[Yb2Er2P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Er  1.2400  1.7500  1.0300
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.5783]
_cell_length_b [5.0739]
_cell_length_c [7.8339]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.1097]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [YbEr(PO4)2]
_chemical_formula_sum '[Yb2 Er2 P4 O16]'
_cell_volume [301.2293]
_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  0.9388  0.5000  1.0
  Er  Er1  2  0.0000  0.9377  0.0000  1.0
  P  P2  4  0.1172  0.5038  0.2467  1.0
  O  O3  4  0.0454  0.6920  0.7574  1.0
  O  O4  4  0.0633  0.2112  0.2352  1.0
  O  O5  4  0.2132  0.5643  0.4162  1.0
  O  O6  4  0.2237  0.5906  0.0847  1.0
]