data_[Rb4Sr2P8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [7.7454]
_cell_length_b [7.7454]
_cell_length_c [10.4635]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Rb2Sr(PO3)4]
_chemical_formula_sum '[Rb4 Sr2 P8 O24]'
_cell_volume [627.7140]
_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
[
  Rb  Rb0  4  0.0000  0.5000  0.5742  1.0
  Sr  Sr1  2  0.0000  0.0000  0.0000  1.0
  P  P2  8  0.1620  0.7089  0.2776  1.0
  O  O3  8  0.0423  0.3101  0.3162  1.0
  O  O4  8  0.1335  0.1899  0.8022  1.0
  O  O5  8  0.1842  0.2424  0.0988  1.0
]