data_[Sr4H4O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.8813]
_cell_length_b [3.5374]
_cell_length_c [4.0543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.2150]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2H2O3]
_chemical_formula_sum '[Sr4 H4 O6]'
_cell_volume [182.8428]
_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
[
  Sr  Sr0  4  0.1354  0.5000  0.2093  1.0
  H  H1  4  0.0938  0.0000  0.7596  1.0
  O  O2  4  0.1675  0.0000  0.6944  1.0
  O  O3  2  0.0000  0.0000  0.0000  1.0
]