data_[Li3Er6Tc3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Er  1.2400  1.7500  1.0300
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.4786]
_cell_length_b [5.4786]
_cell_length_c [14.6664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [LiEr2TcO6]
_chemical_formula_sum '[Li3 Er6 Tc3 O18]'
_cell_volume [381.2375]
_cell_formula_units_Z [3]
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
[
  Li  Li0  3  0.0000  0.0000  0.2097  1
  Er  Er1  3  0.0000  0.0000  0.4731  1
  Er  Er2  3  0.0000  0.0000  0.9775  1
  Tc  Tc3  3  0.0000  0.0000  0.6776  1
  O  O4  9  0.0091  0.3782  0.4120  1
  O  O5  9  0.0588  0.6857  0.2552  1
]