data_[Rb6Sn18P18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.8001]
_cell_length_b [6.8001]
_cell_length_c [32.1962]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Rb(SnP)3]
_chemical_formula_sum '[Rb6 Sn18 P18]'
_cell_volume [1289.3163]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.3333  1
  Sn  Sn1  18  0.0005  0.3349  0.8796  1
  P  P2  18  0.0004  0.3316  0.0808  1
]