data_[K1Tm2Ag1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tm  1.2500  1.7500  1.0950
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.8102]
_cell_length_b [6.1265]
_cell_length_c [7.6029]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [KTm2AgF8]
_chemical_formula_sum '[K1 Tm2 Ag1 F8]'
_cell_volume [177.4773]
_cell_formula_units_Z [1]
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
[
  K  K0  1  0.0000  0.0000  0.5000  1.0
  Tm  Tm1  2  0.5000  0.5000  0.2489  1.0
  Ag  Ag2  1  0.0000  0.0000  0.0000  1.0
  F  F3  4  0.0000  0.2969  0.2457  1.0
  F  F4  2  0.5000  0.2941  0.0000  1.0
  F  F5  2  0.5000  0.2990  0.5000  1.0
]