data_[Eu2Zr8O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Zr  1.3300  1.5500  0.8600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.5776]
_cell_length_b [19.0121]
_cell_length_c [5.2408]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [EuZr4O9]
_chemical_formula_sum '[Eu2 Zr8 O18]'
_cell_volume [356.4618]
_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
[
  Eu  Eu0  2  0.0000  0.5000  0.9610  1.0
  Zr  Zr1  4  0.0000  0.1120  0.0268  1.0
  Zr  Zr2  4  0.0000  0.3039  0.0299  1.0
  O  O3  4  0.0000  0.2001  0.7743  1.0
  O  O4  4  0.0000  0.2036  0.2770  1.0
  O  O5  4  0.0000  0.3893  0.7603  1.0
  O  O6  4  0.0000  0.4012  0.2661  1.0
  O  O7  2  0.0000  0.0000  0.1280  1.0
]