data_[Pr2Eu2Si4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Eu  1.2000  1.8500  1.1985
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.1792]
_cell_length_b [9.4121]
_cell_length_c [4.8259]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.4184]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [PrEuSi2O7]
_chemical_formula_sum '[Pr2 Eu2 Si4 O14]'
_cell_volume [319.6326]
_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
[
  Pr  Pr0  2  0.0000  0.7009  0.5000  1.0
  Eu  Eu1  2  0.0000  0.3119  0.5000  1.0
  Si  Si2  4  0.2137  0.0027  0.9142  1.0
  O  O3  4  0.1296  0.5035  0.7905  1.0
  O  O4  4  0.2289  0.1487  0.7339  1.0
  O  O5  4  0.2376  0.8619  0.7250  1.0
  O  O6  2  0.0000  0.9931  0.0000  1.0
]