data_[Cr1Ru3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cr  1.6600  1.4000  0.9400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [2.6606]
_cell_length_b [18.4665]
_cell_length_c [4.7145]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [CrRu3]
_chemical_formula_sum '[Cr1 Ru3]'
_cell_volume [231.6318]
_cell_formula_units_Z [1]
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
[
  Cr  Cr0  1  0.0000  0.0000  0.9267  1
  Ru  Ru1  2  0.0000  0.0939  0.2121  1
  Ru  Ru2  1  0.5000  0.0000  0.4938  1
]