data_[Sr4Cr4O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.6091]
_cell_length_b [6.1965]
_cell_length_c [5.5739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.9079]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Sr2Cr2O5]
_chemical_formula_sum '[Sr4 Cr4 O10]'
_cell_volume [260.8988]
_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
[
  Sr  Sr0  2  0.1503  0.5000  0.4311  1
  Sr  Sr1  2  0.3775  0.0000  0.8939  1
  Cr  Cr2  2  0.0775  0.0000  0.4469  1
  Cr  Cr3  2  0.4887  0.5000  0.9438  1
  O  O4  4  0.0703  0.2139  0.7119  1
  O  O5  4  0.4813  0.2919  0.2100  1
  O  O6  2  0.3029  0.0000  0.4407  1
]