data_[Y1Si2W2C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Si  1.9000  1.1000  0.5400
  W  2.3600  1.3500  0.7667
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.2181]
_cell_length_b [4.2181]
_cell_length_c [5.3270]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [YSi2W2C]
_chemical_formula_sum '[Y1 Si2 W2 C1]'
_cell_volume [94.7806]
_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
[
  Y  Y0  1  0.0000  0.0000  0.5000  1.0
  Si  Si1  2  0.5000  0.5000  0.2819  1.0
  W  W2  2  0.0000  0.5000  0.0000  1.0
  C  C3  1  0.0000  0.0000  0.0000  1.0
]