data_[Sr12Ni2Ag4]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.4271]
_cell_length_b [8.5118]
_cell_length_c [13.1964]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.9378]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Sr6NiAg2]
_chemical_formula_sum '[Sr12 Ni2 Ag4]'
_cell_volume [692.1280]
_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  0.1130  0.0361  0.2518  1
  Sr  Sr1  4  0.2332  0.6693  0.0627  1
  Sr  Sr2  4  0.4039  0.1898  0.0616  1
  Ni  Ni3  2  0.5000  0.0000  0.5000  1
  Ag  Ag4  4  0.3100  0.1157  0.7568  1
]