data_[Rb6Ni9As6]
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
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.6904]
_cell_length_b [4.6904]
_cell_length_c [26.2914]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Rb2Ni3As2]
_chemical_formula_sum '[Rb6 Ni9 As6]'
_cell_volume [500.9176]
_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
[
  Rb  Rb0  3  0.0000  0.0000  0.2397  1
  Rb  Rb1  3  0.0000  0.0000  0.7656  1
  Ni  Ni2  3  0.0000  0.0000  0.1055  1
  Ni  Ni3  3  0.0000  0.0000  0.3713  1
  Ni  Ni4  3  0.0000  0.0000  0.6638  1
  As  As5  3  0.0000  0.0000  0.0136  1
  As  As6  3  0.0000  0.0000  0.4654  1
]