data_[Ca6Ag6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [9.1232]
_cell_length_b [9.1232]
_cell_length_c [4.8764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [CaAg]
_chemical_formula_sum '[Ca6 Ag6]'
_cell_volume [351.4961]
_cell_formula_units_Z [6]
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  6  0.1892  0.3783  0.2500  1.0
  Ag  Ag1  6  0.1176  0.5588  0.7500  1.0
]