data_[Cr3Si3As3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cr  1.6600  1.4000  0.9400
  Si  1.9000  1.1000  0.5400
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.1091]
_cell_length_b [3.1091]
_cell_length_c [16.6139]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [CrSiAs]
_chemical_formula_sum '[Cr3 Si3 As3]'
_cell_volume [139.0813]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.5558  1
  Si  Si1  3  0.0000  0.0000  0.1276  1
  As  As2  3  0.0000  0.0000  0.9841  1
]