data_[Sr4Li2Si2O8F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6382]
_cell_length_b [5.4664]
_cell_length_c [6.9974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.2864]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Sr2LiSiO4F]
_chemical_formula_sum '[Sr4 Li2 Si2 O8 F2]'
_cell_volume [234.9487]
_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
[
  Sr  Sr0  2  0.1587  0.2500  0.3735  1.0
  Sr  Sr1  2  0.3648  0.7500  0.1016  1.0
  Li  Li2  2  0.1482  0.2500  0.8808  1.0
  Si  Si3  2  0.3453  0.7500  0.6647  1.0
  O  O4  4  0.2236  0.5071  0.7113  1.0
  O  O5  2  0.3372  0.7500  0.4291  1.0
  O  O6  2  0.4042  0.2500  0.1584  1.0
  F  F7  2  0.0000  0.0000  0.0000  1.0
]