data_[Mg2Cl4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.1267]
_cell_length_b [7.6423]
_cell_length_c [4.3277]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.6455]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg(ClO3)2]
_chemical_formula_sum '[Mg2 Cl4 O12]'
_cell_volume [304.4180]
_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
[
  Mg  Mg0  2  0.0000  0.0000  0.0000  1
  Cl  Cl1  4  0.2184  0.5000  0.1706  1
  O  O2  8  0.0311  0.1959  0.3980  1
  O  O3  4  0.2099  0.0000  0.0988  1
]