data_[Er2Ga4Tc8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ga  1.8100  1.3000  0.7600
  Tc  1.9000  1.3500  0.7417
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.1748]
_cell_length_b [14.0884]
_cell_length_c [4.1729]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Er(GaTc2)2]
_chemical_formula_sum '[Er2 Ga4 Tc8]'
_cell_volume [245.4360]
_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  0.0000  0.0000  0.0000  1
  Ga  Ga1  4  0.0000  0.4129  0.5000  1
  Tc  Tc2  4  0.0000  0.1975  0.5000  1
  Tc  Tc3  4  0.0000  0.3016  0.0000  1
]