data_Mg2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.75
_cell_length_b   5.75
_cell_length_c   7.26
_cell_angle_alpha   104.11
_cell_angle_beta   104.11
_cell_angle_gamma   28.25
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2W
_chemical_formula_sum   'Mg4 W2'
_cell_volume   109.8
_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
  Mg  Mg0  1  0.8  0.0  0.97  1.0
  Mg  Mg1  1  0.59  0.0  0.34  1.0
  Mg  Mg2  1  0.49  0.0  0.63  1.0
  Mg  Mg3  1  0.35  0.0  0.74  1.0
  W  W4  1  0.04  0.0  0.02  1.0
  W  W5  1  0.7  0.0  0.22  1.0

data_Mg2W
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.8
_cell_length_b   5.75
_cell_length_c   7.26
_cell_angle_alpha   104.11
_cell_angle_beta   90.0
_cell_angle_gamma   104.12
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2W
_chemical_formula_sum   'Mg4 W2'
_cell_volume   109.8
_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
  Mg  Mg0  1  0.0  0.2  0.03  1.0
  Mg  Mg1  1  0.0  0.41  0.66  1.0
  Mg  Mg2  1  0.0  0.51  0.37  1.0
  Mg  Mg3  1  0.0  0.65  0.26  1.0
  W  W4  1  0.0  0.3  0.78  1.0
  W  W5  1  0.0  0.96  0.98  1.0

Mg Mg Mg Mg W W