data_[Ca2Eu2Si4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  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 [7.0627]
_cell_length_b [9.3492]
_cell_length_c [4.8747]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9369]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [CaEuSi2O7]
_chemical_formula_sum '[Ca2 Eu2 Si4 O14]'
_cell_volume [314.9149]
_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
[
  Ca  Ca0  2  0.0000  0.6987  0.5000  1.0
  Eu  Eu1  2  0.0000  0.3140  0.5000  1.0
  Si  Si2  4  0.2128  0.0021  0.9087  1.0
  O  O3  4  0.1258  0.5035  0.7932  1.0
  O  O4  4  0.2256  0.1499  0.7286  1.0
  O  O5  4  0.2364  0.8603  0.7197  1.0
  O  O6  2  0.0000  0.9949  0.0000  1.0
]