data_NaMg2Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.93
_cell_length_b   5.93
_cell_length_c   5.93
_cell_angle_alpha   145.85
_cell_angle_beta   129.98
_cell_angle_gamma   61.95
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaMg2Ag
_chemical_formula_sum   'Na1 Mg2 Ag1'
_cell_volume   88.92
_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
  Na  Na3  1  0.0  0.0  0.28  1.0
  Mg  Mg1  1  0.0  0.0  0.93  1.0
  Mg  Mg2  1  0.74  0.0  0.46  1.0
  Ag  Ag0  1  0.0  0.51  0.67  1.0

data_NaMg2Ag
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.48
_cell_length_b   5.02
_cell_length_c   5.93
_cell_angle_alpha   115.01
_cell_angle_beta   107.07
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaMg2Ag
_chemical_formula_sum   'Na1 Mg2 Ag1'
_cell_volume   88.92
_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
  Na  Na0  1  0.0  0.28  0.28  1.0
  Mg  Mg1  1  0.0  0.46  0.71  1.0
  Mg  Mg2  1  0.0  0.93  0.93  1.0
  Ag  Ag3  1  0.49  0.17  0.17  1.0

Na Mg Mg Ag
Na Mg Mg Ag 0 3 o o o 0 3 o - - 0 1 o o - 0 2 - o o 1 2 - o o 1 3 o - o 