data_[K4Tm2F12]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.8163]
_cell_length_b [6.3241]
_cell_length_c [3.9625]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7932]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2TmF6]
_chemical_formula_sum '[K4 Tm2 F12]'
_cell_volume [310.5231]
_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
[
  K  K0  4  0.1689  0.5000  0.6640  1.0
  Tm  Tm1  2  0.0000  0.0000  0.0000  1.0
  F  F2  8  0.1389  0.2169  0.1393  1.0
  F  F3  4  0.0000  0.1959  0.5000  1.0
]