data_[K4Tc2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.7525]
_cell_length_b [6.3615]
_cell_length_c [7.7344]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.8723]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [K2TcO4]
_chemical_formula_sum '[K4 Tc2 O8]'
_cell_volume [272.2469]
_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  2  0.2820  0.2500  0.9794  1
  K  K1  2  0.4073  0.7500  0.3872  1
  Tc  Tc2  2  0.1198  0.7500  0.7610  1
  O  O3  4  0.2562  0.5225  0.6940  1
  O  O4  2  0.2027  0.2500  0.3094  1
  O  O5  2  0.2050  0.7500  0.0054  1
]