data_[Ca4Al2Sb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Al  1.6100  1.2500  0.6750
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.4083]
_cell_length_b [5.4833]
_cell_length_c [9.3860]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.0384]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ca2AlSbO6]
_chemical_formula_sum '[Ca4 Al2 Sb2 O12]'
_cell_volume [227.8993]
_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
[
  Ca  Ca0  4  0.2602  0.5413  0.7507  1.0
  Al  Al1  2  0.5000  0.0000  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1757  0.5209  0.2547  1.0
  O  O4  4  0.2541  0.2060  0.0412  1.0
  O  O5  4  0.3372  0.7141  0.0414  1.0
]