data_[Rb3Li1Si2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [6.0473]
_cell_length_b [6.0473]
_cell_length_c [7.2743]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Rb3Li(SiO3)2]
_chemical_formula_sum '[Rb3 Li1 Si2 O6]'
_cell_volume [230.3819]
_cell_formula_units_Z [1]
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  2  0.3333  0.6667  0.7296  1
  Rb  Rb1  1  0.0000  0.0000  0.0000  1
  Li  Li2  1  0.0000  0.0000  0.5000  1
  Si  Si3  2  0.3333  0.6667  0.2892  1
  O  O4  6  0.1816  0.3632  0.2914  1
]