data_[Eu4Mg4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Mg  1.3100  1.5000  0.8600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0850]
_cell_length_b [14.9586]
_cell_length_c [5.6079]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [EuMgF4]
_chemical_formula_sum '[Eu4 Mg4 F16]'
_cell_volume [342.6738]
_cell_formula_units_Z [4]
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
[
  Eu  Eu0  4  0.0000  0.3330  0.2500  1.0
  Mg  Mg1  4  0.0000  0.0886  0.2500  1.0
  F  F2  8  0.0000  0.1870  0.0034  1.0
  F  F3  4  0.0000  0.0000  0.0000  1.0
  F  F4  4  0.0000  0.3992  0.7500  1.0
]