data_[Ca1Sc1Si1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Sc  1.3600  1.6000  0.8850
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [4.5865]
_cell_length_b [4.5865]
_cell_length_c [4.2516]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [CaScSi]
_chemical_formula_sum '[Ca1 Sc1 Si1]'
_cell_volume [77.4553]
_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
[
  Ca  Ca0  1  0.0000  0.0000  0.9907  1
  Sc  Sc1  1  0.3333  0.6667  0.4887  1
  Si  Si2  1  0.6667  0.3333  0.5206  1
]