data_[Mg2V2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Cmmm]
_cell_length_a [6.8058]
_cell_length_b [6.8187]
_cell_length_c [3.1846]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [MgVF4]
_chemical_formula_sum '[Mg2 V2 F8]'
_cell_volume [147.7875]
_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  0.0000  1
  V  V1  2  0.0000  0.5000  0.5000  1
  F  F2  4  0.0000  0.1881  0.5000  1
  F  F3  4  0.2056  0.5000  0.0000  1
]