data_[Yb2Nb2P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Nb  1.6000  1.4500  0.8200
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.2345]
_cell_length_b [5.3719]
_cell_length_c [7.0989]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.4651]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [YbNb(PO4)2]
_chemical_formula_sum '[Yb2 Nb2 P4 O16]'
_cell_volume [313.9125]
_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  0.0000  0.5000  1.0
  Nb  Nb1  2  0.0000  0.0000  0.0000  1.0
  P  P2  4  0.1439  0.5000  0.7607  1.0
  O  O3  8  0.0368  0.2596  0.7785  1.0
  O  O4  4  0.2281  0.5000  0.5752  1.0
  O  O5  4  0.2361  0.0000  0.0642  1.0
]