data_[Sr4Nd2Al4As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Nd  1.1400  1.8500  1.2765
  Al  1.6100  1.2500  0.6750
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5371]
_cell_length_b [4.2025]
_cell_length_c [7.5171]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7055]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2Nd(AlAs2)2]
_chemical_formula_sum '[Sr4 Nd2 Al4 As8]'
_cell_volume [464.9016]
_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  4  0.1275  0.0000  0.5516  1
  Nd  Nd1  2  0.0000  0.0000  0.0000  1
  Al  Al2  4  0.1736  0.5000  0.9852  1
  As  As3  4  0.0244  0.5000  0.7348  1
  As  As4  4  0.2116  0.0000  0.1974  1
]