data_[K2Rb2Be2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Be  1.5700  1.0500  0.5900
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [8.3629]
_cell_length_b [5.3818]
_cell_length_c [10.0146]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.7768]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [KRbBeTe2]
_chemical_formula_sum '[K2 Rb2 Be2 Te4]'
_cell_volume [431.5470]
_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  0.4064  0.2500  1.0
  Rb  Rb1  2  0.5000  0.2772  0.7500  1.0
  Be  Be2  2  0.0000  0.0000  0.0000  1.0
  Te  Te3  4  0.2386  0.1901  0.0120  1.0
]