data_[Rb2Ni4F14]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.1105]
_cell_length_b [12.3581]
_cell_length_c [3.7290]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [RbNi2F7]
_chemical_formula_sum '[Rb2 Ni4 F14]'
_cell_volume [281.5966]
_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  2  0.0000  0.0000  0.0000  1
  Ni  Ni1  4  0.0000  0.3425  0.5000  1
  F  F2  8  0.2056  0.1500  0.5000  1
  F  F3  4  0.0000  0.3171  0.0000  1
  F  F4  2  0.0000  0.5000  0.5000  1
]