data_[K3Ca6Re3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ca  1.0000  1.8000  1.1400
  Re  1.9000  1.3500  0.7125
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8243]
_cell_length_b [5.8243]
_cell_length_c [15.5809]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [KCa2ReO6]
_chemical_formula_sum '[K3 Ca6 Re3 O18]'
_cell_volume [457.7242]
_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  0.7943  1.0
  Ca  Ca1  3  0.0000  0.0000  0.0135  1.0
  Ca  Ca2  3  0.0000  0.0000  0.5244  1.0
  Re  Re3  3  0.0000  0.0000  0.3255  1.0
  O  O4  9  0.0586  0.3880  0.9293  1.0
  O  O5  9  0.1031  0.7107  0.0720  1.0
]