data_[Ca4Sn4Ge8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.8546]
_cell_length_b [9.9810]
_cell_length_c [5.6118]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7628]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CaSn(GeO3)2]
_chemical_formula_sum '[Ca4 Sn4 Ge8 O24]'
_cell_volume [592.9654]
_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
[
  Ca  Ca0  4  0.0000  0.3118  0.7500  1
  Sn  Sn1  4  0.0000  0.1092  0.2500  1
  Ge  Ge2  8  0.2081  0.4023  0.2665  1
  O  O3  8  0.1115  0.2691  0.1383  1
  O  O4  8  0.1324  0.1355  0.6575  1
  O  O5  8  0.1512  0.4706  0.5251  1
]