data_[K4Zr2Ta2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Zr  1.3300  1.5500  0.8600
  Ta  1.5000  1.4500  0.8200
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [4.0767]
_cell_length_b [5.0191]
_cell_length_c [12.6936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [K2ZrTa]
_chemical_formula_sum '[K4 Zr2 Ta2]'
_cell_volume [259.7263]
_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  0.0000  0.0000  0.0334  1
  K  K1  2  0.0000  0.5000  0.7040  1
  Zr  Zr2  2  0.0000  0.5000  0.3056  1
  Ta  Ta3  2  0.0000  0.0000  0.4571  1
]