data_[Sr1Ti2As2]
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
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.1742]
_cell_length_b [4.1742]
_cell_length_c [7.6798]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Sr(TiAs)2]
_chemical_formula_sum '[Sr1 Ti2 As2]'
_cell_volume [115.8862]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Ti  Ti1  2  0.3333  0.6667  0.6096  1
  As  As2  2  0.3333  0.6667  0.2663  1
]