data_[Rb4Zr2Sb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zr  1.3300  1.5500  0.8600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.4539]
_cell_length_b [6.0322]
_cell_length_c [7.6883]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.9712]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Zr(SbO3)2]
_chemical_formula_sum '[Rb4 Zr2 Sb4 O12]'
_cell_volume [483.0001]
_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  0.1783  0.0000  0.6788  1.0
  Zr  Zr1  2  0.0000  0.5000  0.5000  1.0
  Sb  Sb2  4  0.1486  0.0000  0.2180  1.0
  O  O3  8  0.0742  0.2457  0.3440  1.0
  O  O4  4  0.1797  0.5000  0.6542  1.0
]