data_[K3Sr6Re3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  Re  1.9000  1.3500  0.7125
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [6.0611]
_cell_length_b [6.0611]
_cell_length_c [15.5455]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [KSr2ReO6]
_chemical_formula_sum '[K3 Sr6 Re3 O18]'
_cell_volume [494.5904]
_cell_formula_units_Z [3]
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
[
  K  K0  3  0.0000  0.0000  0.1955  1.0
  Sr  Sr1  3  0.0000  0.0000  0.4673  1.0
  Sr  Sr2  3  0.0000  0.0000  0.9738  1.0
  Re  Re3  3  0.0000  0.0000  0.6775  1.0
  O  O4  9  0.0316  0.2791  0.7418  1.0
  O  O5  9  0.0860  0.6699  0.2663  1.0
]