data_[Mg2Cu2Ni2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Cu  1.9000  1.3500  0.8200
  Ni  1.9100  1.3500  0.7400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [4.6913]
_cell_length_b [4.6913]
_cell_length_c [9.4525]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [MgCuNiF6]
_chemical_formula_sum '[Mg2 Cu2 Ni2 F12]'
_cell_volume [208.0295]
_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
[
  Mg  Mg0  2  0.0000  0.0000  0.0011  1.0
  Cu  Cu1  2  0.0000  0.0000  0.3330  1.0
  Ni  Ni2  2  0.0000  0.0000  0.6656  1.0
  F  F3  4  0.1976  0.8024  0.1625  1.0
  F  F4  4  0.1979  0.8021  0.8350  1.0
  F  F5  4  0.1994  0.8006  0.5027  1.0
]