data_[Er4Ag4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.3212]
_cell_length_b [16.2673]
_cell_length_c [6.6500]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.8056]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [ErAgCl4]
_chemical_formula_sum '[Er4 Ag4 Cl16]'
_cell_volume [730.0418]
_cell_formula_units_Z [4]
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  4  0.0000  0.0696  0.7500  1.0
  Ag  Ag1  4  0.0000  0.3334  0.2500  1.0
  Cl  Cl2  8  0.2037  0.1855  0.7316  1.0
  Cl  Cl3  8  0.2233  0.0458  0.2334  1.0
]