The compound described by TiCoSi crystallizes in the hexagonal P-62m space group. Ti(1) is bonded in a 7-coordinate geometry to six equivalent Co(1), one Si(2), and four equivalent Si(1) atoms. Co(1) is bonded to six equivalent Ti(1), two equivalent Co(1), two equivalent Si(1), and two equivalent Si(2) atoms to form a mixture of distorted face, corner, and edge-sharing CoTi6Co2Si4 cuboctahedra. There are two inequivalent Si sites. In the first Si site, Si(2) is bonded in a 9-coordinate geometry to three equivalent Ti(1) and six equivalent Co(1) atoms. In the second Si site, Si(1) is bonded in a 9-coordinate geometry to six equivalent Ti(1) and three equivalent Co(1) atoms. is represented by the CIF card [CIF]
data_TiCoSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.965
_cell_length_b   5.965
_cell_length_c   3.676
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.001
_symmetry_Int_Tables_number   1
_cell_volume   113.279
_cell_formula_units_Z   3
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
  Ti  Ti0  1  0.565  0.565  0.500  1.0
  Ti  Ti1  1  0.435  1.000  0.500  1.0
  Ti  Ti2  1  1.000  0.435  0.500  1.0
  Co  Co3  1  0.757  0.000  0.000  1.0
  Co  Co4  1  0.243  0.243  0.000  1.0
  Co  Co5  1  0.000  0.757  0.000  1.0
  Si  Si6  1  0.667  0.333  0.000  1.0
  Si  Si7  1  0.333  0.667  0.000  1.0
  Si  Si8  1  0.000  0.000  0.500  1.0
[/CIF]
.
The compound described by TiCoSi crystallizes in the hexagonal P-62m space group. Ti(1) is bonded in a 7-coordinate geometry to six equivalent Co(1), one Si(2), and four equivalent Si(1) atoms. Co(1) is bonded to six equivalent Ti(1), two equivalent Co(1), two equivalent Si(1), and two equivalent Si(2) atoms to form a mixture of distorted face, corner, and edge-sharing CoTi6Co2Si4 cuboctahedra. There are two inequivalent Si sites. In the first Si site, Si(2) is bonded in a 9-coordinate geometry to three equivalent Ti(1) and six equivalent Co(1) atoms. In the second Si site, Si(1) is bonded in a 9-coordinate geometry to six equivalent Ti(1) and three equivalent Co(1) atoms. is represented by the CIF card [CIF]
data_TiCoSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.965
_cell_length_b   5.965
_cell_length_c   3.676
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.001
_symmetry_Int_Tables_number   1
_cell_volume   113.279
_cell_formula_units_Z   3
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
  Ti  Ti0  1  0.565  0.565  0.500  1.0
  Ti  Ti1  1  0.435  1.000  0.500  1.0
  Ti  Ti2  1  1.000  0.435  0.500  1.0
  Co  Co3  1  0.757  0.000  0.000  1.0
  Co  Co4  1  0.243  0.243  0.000  1.0
  Co  Co5  1  0.000  0.757  0.000  1.0
  Si  Si6  1  0.667  0.333  0.000  1.0
  Si  Si7  1  0.333  0.667  0.000  1.0
  Si  Si8  1  0.000  0.000  0.500  1.0
[/CIF]
.