data_[Er2H6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [5.4183]
_cell_length_b [5.4183]
_cell_length_c [3.4562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [ErH3]
_chemical_formula_sum '[Er2 H6]'
_cell_volume [87.8707]
_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
[
  Er  Er0  2  0.3333  0.6667  0.2500  1
  H  H1  6  0.0943  0.4109  0.7500  1
]