data_[Rb4Ca4As8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.6332]
_cell_length_b [10.2723]
_cell_length_c [6.2476]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.9043]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbCa(AsO3)2]
_chemical_formula_sum '[Rb4 Ca4 As8 O24]'
_cell_volume [656.2833]
_cell_formula_units_Z [4]
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  0.1972  0.7500  1.0
  Ca  Ca1  4  0.0000  0.3959  0.2500  1.0
  As  As2  8  0.2125  0.0822  0.2898  1.0
  O  O3  8  0.1189  0.4310  0.6286  1.0
  O  O4  8  0.1535  0.0126  0.5248  1.0
  O  O5  8  0.1579  0.2380  0.2302  1.0
]