data_[Mg2Cu2W1O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Cu  1.9000  1.3500  0.8200
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [5.4108]
_cell_length_b [5.4108]
_cell_length_c [5.6591]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [Mg2Cu2WO6]
_chemical_formula_sum '[Mg2 Cu2 W1 O6]'
_cell_volume [143.4842]
_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  2  0.3333  0.6667  0.2888  1
  Cu  Cu1  2  0.3333  0.6667  0.7714  1
  W  W2  1  0.0000  0.0000  0.0000  1
  O  O3  6  0.0082  0.2998  0.2027  1
]