data_NaMgW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.1
_cell_length_b   8.1
_cell_length_c   8.1
_cell_angle_alpha   160.39
_cell_angle_beta   160.39
_cell_angle_gamma   27.87
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaMgW
_chemical_formula_sum   'Na1 Mg1 W1'
_cell_volume   59.82
_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  Na1  1  0.0  0.0  0.14  1.0
  Mg  Mg0  1  0.0  0.0  0.26  1.0
  W  W2  1  0.0  0.0  0.32  1.0

data_NaMgW
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.9
_cell_length_b   3.9
_cell_length_c   8.1
_cell_angle_alpha   90.0
_cell_angle_beta   103.94
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NaMgW
_chemical_formula_sum   'Na2 Mg2 W2'
_cell_volume   119.64
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.86  1.0
  Mg  Mg1  2  0.0  0.0  0.74  1.0
  W  W2  2  0.0  0.0  0.68  1.0

Na Mg W
Na Mg W 0 1 o o o 1 2 o o o 