data_[K6Be2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [7.5689]
_cell_length_b [7.5689]
_cell_length_c [5.4625]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [K3BeO3]
_chemical_formula_sum '[K6 Be2 O6]'
_cell_volume [271.0095]
_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  6  0.0998  0.7297  0.7500  1.0
  Be  Be1  2  0.3333  0.6667  0.2500  1.0
  O  O2  6  0.1465  0.6984  0.2500  1.0
]