data_[Mg2U4As4O32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  U  1.3800  1.7500  0.9913
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.4333]
_cell_length_b [7.2380]
_cell_length_c [7.0228]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8751]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MgU2(AsO8)2]
_chemical_formula_sum '[Mg2 U4 As4 O32]'
_cell_volume [712.2457]
_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  0.5000  1
  U  U1  4  0.2414  0.0000  0.8511  1
  As  As2  4  0.2068  0.5000  0.6613  1
  O  O3  8  0.0608  0.2476  0.4350  1
  O  O4  8  0.2484  0.3224  0.8251  1
  O  O5  4  0.0828  0.5000  0.6073  1
  O  O6  4  0.1098  0.0000  0.7704  1
  O  O7  4  0.1312  0.5000  0.0746  1
  O  O8  4  0.2395  0.0000  0.5290  1
]