data_[Rb4Sr4As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [9.1087]
_cell_length_b [5.3099]
_cell_length_c [9.1098]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbSrAs]
_chemical_formula_sum '[Rb4 Sr4 As4]'
_cell_volume [440.6027]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0183  0.2500  0.3343  1.0
  Sr  Sr1  4  0.1478  0.2500  0.9183  1.0
  As  As2  4  0.1989  0.7500  0.1050  1.0
]