data_[Ca4Al4Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Al  1.6100  1.2500  0.6750
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4263]
_cell_length_b [4.1767]
_cell_length_c [5.3065]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.2775]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CaAlNi]
_chemical_formula_sum '[Ca4 Al4 Ni4]'
_cell_volume [248.3587]
_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
[
  Ca  Ca0  4  0.1191  0.0000  0.3228  1.0
  Al  Al1  4  0.1005  0.5000  0.8237  1.0
  Ni  Ni2  4  0.2066  0.0000  0.8778  1.0
]