data_Sr4As2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.92
_cell_length_b   8.92
_cell_length_c   8.92
_cell_angle_alpha   148.24
_cell_angle_beta   148.24
_cell_angle_gamma   45.53
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr4As2O
_chemical_formula_sum   'Sr4 As2 O1'
_cell_volume   196.27
_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  0.0  0.0  0.86  1.0
  Sr  Sr1  1  0.0  0.0  0.6  1.0
  Sr  Sr2  1  0.44  0.0  0.0  1.0
  Sr  Sr3  1  0.0  0.44  0.0  1.0
  As  As4  1  0.0  0.0  0.99  1.0
  As  As5  1  0.0  0.0  0.47  1.0
  O  O6  1  0.0  0.0  0.0  1.0

data_Sr4As2O
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.91
_cell_length_b   6.91
_cell_length_c   8.92
_cell_angle_alpha   90.0
_cell_angle_beta   112.76
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Sr4As2O
_chemical_formula_sum   'Sr8 As4 O2'
_cell_volume   392.54
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.28  0.28  0.56  1.0
  Sr  Sr1  2  0.1  0.5  0.6  1.0
  Sr  Sr2  2  0.36  0.5  0.86  1.0
  As  As3  2  0.47  0.0  0.47  1.0
  As  As4  2  0.49  0.5  0.99  1.0
  O  O5  2  0.0  0.0  0.0  1.0

Sr Sr Sr Sr As As O