data_Zr(CoSi)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.49
_cell_length_b   5.49
_cell_length_c   5.49
_cell_angle_alpha   140.18
_cell_angle_beta   140.18
_cell_angle_gamma   57.58
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zr(CoSi)2
_chemical_formula_sum   'Zr1 Co2 Si2'
_cell_volume   67.4
_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
  Zr  Zr4  1  0.0  0.0  0.0  1.0
  Co  Co0  1  0.87  0.0  0.41  1.0
  Co  Co1  1  0.0  0.87  0.41  1.0
  Si  Si2  1  0.0  0.0  0.64  1.0
  Si  Si3  1  0.0  0.0  0.99  1.0

data_Zr(CoSi)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.29
_cell_length_b   5.29
_cell_length_c   5.49
_cell_angle_alpha   90.0
_cell_angle_beta   118.79
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Zr(CoSi)2
_chemical_formula_sum   'Zr2 Co4 Si4'
_cell_volume   134.81
_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
  Zr  Zr0  2  0.0  0.0  0.0  1.0
  Co  Co1  4  0.44  0.44  0.46  1.0
  Si  Si2  2  0.0  0.0  0.01  1.0
  Si  Si3  2  0.0  0.0  0.36  1.0

Zr Co Co Si Si