data_[Rb2Mg4V2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  V  1.6300  1.3500  0.7775
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.2737]
_cell_length_b [6.3985]
_cell_length_c [7.3974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.6437]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbMg2VF8]
_chemical_formula_sum '[Rb2 Mg4 V2 F16]'
_cell_volume [377.1076]
_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  0.5000  1.0
  Mg  Mg1  4  0.0496  0.5000  0.7226  1.0
  V  V2  2  0.0000  0.0000  0.0000  1.0
  F  F3  8  0.0070  0.2273  0.1907  1.0
  F  F4  4  0.1511  0.5000  0.5077  1.0
  F  F5  4  0.2430  0.0000  0.0702  1.0
]