data_[Rb4Ni2Te4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ni  1.9100  1.3500  0.7400
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.3689]
_cell_length_b [5.5424]
_cell_length_c [8.4424]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.0447]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ni(TeO3)2]
_chemical_formula_sum '[Rb4 Ni2 Te4 O12]'
_cell_volume [485.8351]
_cell_formula_units_Z [2]
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  4  0.2101  0.5000  0.2891  1
  Ni  Ni1  2  0.0000  0.5000  0.5000  1
  Te  Te2  4  0.0735  0.0000  0.8380  1
  O  O3  8  0.0992  0.2601  0.7216  1
  O  O4  4  0.1040  0.0000  0.2955  1
]