data_[Ca4Cr2Ru2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Cr  1.6600  1.4000  0.9400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.9421]
_cell_length_b [5.2266]
_cell_length_c [9.0236]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Ca2CrRu]
_chemical_formula_sum '[Ca4 Cr2 Ru2]'
_cell_volume [185.9200]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.9739  1
  Ca  Ca1  2  0.0000  0.5000  0.7721  1
  Cr  Cr2  2  0.0000  0.0000  0.5622  1
  Ru  Ru3  2  0.0000  0.5000  0.1919  1
]