data_[K2Dy1Er3C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.5968]
_cell_length_b [3.5968]
_cell_length_c [20.5237]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [K2DyEr3C2]
_chemical_formula_sum '[K2 Dy1 Er3 C2]'
_cell_volume [229.9419]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.2505  1
  K  K1  1  0.6667  0.3333  0.7490  1
  Dy  Dy2  1  0.0000  0.0000  0.9355  1
  Er  Er3  1  0.0000  0.0000  0.5638  1
  Er  Er4  1  0.6667  0.3333  0.0647  1
  Er  Er5  1  0.6667  0.3333  0.4357  1
  C  C6  1  0.3333  0.6667  0.0011  1
  C  C7  1  0.3333  0.6667  0.4998  1
]