data_[V1Cr1Ru2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Cr  1.6600  1.4000  0.9400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.2534]
_cell_length_b [4.2534]
_cell_length_c [2.9973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [VCrRu2]
_chemical_formula_sum '[V1 Cr1 Ru2]'
_cell_volume [54.2247]
_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
[
  V  V0  1  0.0000  0.0000  0.5000  1
  Cr  Cr1  1  0.5000  0.5000  0.5000  1
  Ru  Ru2  2  0.0000  0.5000  0.0000  1
]