data_[Eu2H2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.4166]
_cell_length_b [3.7812]
_cell_length_c [6.1541]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2280]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [EuHO2]
_chemical_formula_sum '[Eu2 H2 O4]'
_cell_volume [97.6169]
_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  0.3252  0.7500  0.6902  1.0
  H  H1  2  0.0220  0.2500  0.9223  1.0
  O  O2  2  0.2338  0.2500  0.4466  1.0
  O  O3  2  0.2470  0.2500  0.9336  1.0
]