data_[Mg1Ag2S1O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.9768]
_cell_length_b [5.9768]
_cell_length_c [5.2665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [MgAg2SO6]
_chemical_formula_sum '[Mg1 Ag2 S1 O6]'
_cell_volume [162.9235]
_cell_formula_units_Z [1]
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
[
  Mg  Mg0  1  0.0000  0.0000  0.5000  1
  Ag  Ag1  2  0.3333  0.6667  0.8820  1
  S  S2  1  0.0000  0.0000  0.0000  1
  O  O3  6  0.1280  0.2561  0.8054  1
]