data_[Sr4Ni16Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ni  1.9100  1.3500  0.7400
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [17.8861]
_cell_length_b [4.2702]
_cell_length_c [6.8691]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Sr(Ni2Sb)2]
_chemical_formula_sum '[Sr4 Ni16 Sb8]'
_cell_volume [524.6430]
_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
[
  Sr  Sr0  4  0.1362  0.7500  0.4066  1
  Ni  Ni1  4  0.0058  0.2500  0.3944  1
  Ni  Ni2  4  0.0412  0.7500  0.9591  1
  Ni  Ni3  4  0.2005  0.2500  0.7498  1
  Ni  Ni4  4  0.2309  0.2500  0.1370  1
  Sb  Sb5  4  0.0513  0.2500  0.7482  1
  Sb  Sb6  4  0.1964  0.7500  0.9554  1
]