data_[Er4Cr4P8N24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Cr  1.6600  1.4000  0.9400
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.9943]
_cell_length_b [9.6398]
_cell_length_c [5.5447]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.8568]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [ErCr(PN3)2]
_chemical_formula_sum '[Er4 Cr4 P8 N24]'
_cell_volume [492.2485]
_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  0.1166  0.2500  1.0
  Cr  Cr1  4  0.0000  0.2214  0.7500  1.0
  P  P2  8  0.1969  0.4267  0.1832  1.0
  N  N3  8  0.1049  0.2815  0.0712  1.0
  N  N4  8  0.1225  0.0969  0.6950  1.0
  N  N5  8  0.1634  0.4685  0.4378  1.0
]