data_[Sr2Ti2As4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ti  1.5400  1.4000  0.8517
  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 [8.4262]
_cell_length_b [5.5354]
_cell_length_c [7.5258]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.3715]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrTi(AsO4)2]
_chemical_formula_sum '[Sr2 Ti2 As4 O16]'
_cell_volume [350.7215]
_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  2  0.0000  0.0000  0.5000  1.0
  Ti  Ti1  2  0.0000  0.0000  0.0000  1.0
  As  As2  4  0.1363  0.5000  0.7831  1.0
  O  O3  8  0.0182  0.2452  0.8061  1.0
  O  O4  4  0.2037  0.5000  0.5759  1.0
  O  O5  4  0.2248  0.0000  0.0435  1.0
]