The compound described by Y7Co6Sn23 crystallizes in the trigonal P-3m1 space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 18-coordinate geometry to six equivalent Co(1), six equivalent Sn(2), and six equivalent Sn(3) atoms. In the second Y site, Y(2) is bonded in a 12-coordinate geometry to two equivalent Co(1), one Sn(5), one Sn(6), two equivalent Sn(2), two equivalent Sn(3), and four equivalent Sn(4) atoms. Co(1) is bonded in a 9-coordinate geometry to one Y(1), two equivalent Y(2), one Sn(4), one Sn(5), two equivalent Sn(2), and two equivalent Sn(3) atoms. There are six inequivalent Sn sites. In the first Sn site, Sn(5) is bonded in a 7-coordinate geometry to three equivalent Y(2), three equivalent Co(1), and one Sn(6) atom. In the second Sn site, Sn(6) is bonded in a 3-coordinate geometry to three equivalent Y(2) and one Sn(5) atom. In the third Sn site, Sn(1) is bonded in a 6-coordinate geometry to six equivalent Sn(2) atoms. In the fourth Sn site, Sn(2) is bonded in a 7-coordinate geometry to one Y(1), two equivalent Y(2), two equivalent Co(1), one Sn(1), and one Sn(4) atom. In the fifth Sn site, Sn(3) is bonded in a 2-coordinate geometry to one Y(1), two equivalent Y(2), and two equivalent Co(1) atoms. In the sixth Sn site, Sn(4) is bonded in a distorted pentagonal planar geometry to four equivalent Y(2), one Co(1), and one Sn(2) atom. is represented by the CIF card [CIF]
data_Y7Co6Sn23
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.685
_cell_length_b   9.685
_cell_length_c   9.861
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   801.130
_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  0.000  0.000  0.000  1.0
  Y  Y1  1  0.045  0.522  0.307  1.0
  Y  Y2  1  0.478  0.955  0.307  1.0
  Y  Y3  1  0.478  0.522  0.307  1.0
  Y  Y4  1  0.955  0.478  0.693  1.0
  Y  Y5  1  0.522  0.045  0.693  1.0
  Y  Y6  1  0.522  0.478  0.693  1.0
  Co  Co7  1  0.167  0.833  0.804  1.0
  Co  Co8  1  0.666  0.833  0.804  1.0
  Co  Co9  1  0.167  0.334  0.804  1.0
  Co  Co10  1  0.833  0.167  0.196  1.0
  Co  Co11  1  0.334  0.167  0.196  1.0
  Co  Co12  1  0.833  0.666  0.196  1.0
  Sn  Sn13  1  0.000  0.000  0.500  1.0
  Sn  Sn14  1  0.116  0.884  0.276  1.0
  Sn  Sn15  1  0.767  0.884  0.276  1.0
  Sn  Sn16  1  0.116  0.233  0.276  1.0
  Sn  Sn17  1  0.884  0.116  0.724  1.0
  Sn  Sn18  1  0.233  0.116  0.724  1.0
  Sn  Sn19  1  0.884  0.767  0.724  1.0
  Sn  Sn20  1  0.347  1.000  1.000  1.0
  Sn  Sn21  1  0.653  0.653  0.000  1.0
  Sn  Sn22  1  0.000  0.347  0.000  1.0
  Sn  Sn23  1  0.347  0.347  1.000  1.0
  Sn  Sn24  1  0.000  0.653  0.000  1.0
  Sn  Sn25  1  0.653  0.000  0.000  1.0
  Sn  Sn26  1  0.781  0.562  0.450  1.0
  Sn  Sn27  1  0.781  0.219  0.450  1.0
  Sn  Sn28  1  0.438  0.219  0.450  1.0
  Sn  Sn29  1  0.219  0.438  0.550  1.0
  Sn  Sn30  1  0.219  0.781  0.550  1.0
  Sn  Sn31  1  0.562  0.781  0.550  1.0
  Sn  Sn32  1  0.667  0.333  0.181  1.0
  Sn  Sn33  1  0.333  0.667  0.819  1.0
  Sn  Sn34  1  0.667  0.333  0.887  1.0
  Sn  Sn35  1  0.333  0.667  0.113  1.0
[/CIF]
.
The compound described by Y7Co6Sn23 crystallizes in the trigonal P-3m1 space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 18-coordinate geometry to six equivalent Co(1), six equivalent Sn(2), and six equivalent Sn(3) atoms. In the second Y site, Y(2) is bonded in a 12-coordinate geometry to two equivalent Co(1), one Sn(5), one Sn(6), two equivalent Sn(2), two equivalent Sn(3), and four equivalent Sn(4) atoms. Co(1) is bonded in a 9-coordinate geometry to one Y(1), two equivalent Y(2), one Sn(4), one Sn(5), two equivalent Sn(2), and two equivalent Sn(3) atoms. There are six inequivalent Sn sites. In the first Sn site, Sn(5) is bonded in a 7-coordinate geometry to three equivalent Y(2), three equivalent Co(1), and one Sn(6) atom. In the second Sn site, Sn(6) is bonded in a 3-coordinate geometry to three equivalent Y(2) and one Sn(5) atom. In the third Sn site, Sn(1) is bonded in a 6-coordinate geometry to six equivalent Sn(2) atoms. In the fourth Sn site, Sn(2) is bonded in a 7-coordinate geometry to one Y(1), two equivalent Y(2), two equivalent Co(1), one Sn(1), and one Sn(4) atom. In the fifth Sn site, Sn(3) is bonded in a 2-coordinate geometry to one Y(1), two equivalent Y(2), and two equivalent Co(1) atoms. In the sixth Sn site, Sn(4) is bonded in a distorted pentagonal planar geometry to four equivalent Y(2), one Co(1), and one Sn(2) atom. is represented by the CIF card [CIF]
data_Y7Co6Sn23
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.685
_cell_length_b   9.685
_cell_length_c   9.861
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   801.130
_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  0.000  0.000  0.000  1.0
  Y  Y1  1  0.045  0.522  0.307  1.0
  Y  Y2  1  0.478  0.955  0.307  1.0
  Y  Y3  1  0.478  0.522  0.307  1.0
  Y  Y4  1  0.955  0.478  0.693  1.0
  Y  Y5  1  0.522  0.045  0.693  1.0
  Y  Y6  1  0.522  0.478  0.693  1.0
  Co  Co7  1  0.167  0.833  0.804  1.0
  Co  Co8  1  0.666  0.833  0.804  1.0
  Co  Co9  1  0.167  0.334  0.804  1.0
  Co  Co10  1  0.833  0.167  0.196  1.0
  Co  Co11  1  0.334  0.167  0.196  1.0
  Co  Co12  1  0.833  0.666  0.196  1.0
  Sn  Sn13  1  0.000  0.000  0.500  1.0
  Sn  Sn14  1  0.116  0.884  0.276  1.0
  Sn  Sn15  1  0.767  0.884  0.276  1.0
  Sn  Sn16  1  0.116  0.233  0.276  1.0
  Sn  Sn17  1  0.884  0.116  0.724  1.0
  Sn  Sn18  1  0.233  0.116  0.724  1.0
  Sn  Sn19  1  0.884  0.767  0.724  1.0
  Sn  Sn20  1  0.347  1.000  1.000  1.0
  Sn  Sn21  1  0.653  0.653  0.000  1.0
  Sn  Sn22  1  0.000  0.347  0.000  1.0
  Sn  Sn23  1  0.347  0.347  1.000  1.0
  Sn  Sn24  1  0.000  0.653  0.000  1.0
  Sn  Sn25  1  0.653  0.000  0.000  1.0
  Sn  Sn26  1  0.781  0.562  0.450  1.0
  Sn  Sn27  1  0.781  0.219  0.450  1.0
  Sn  Sn28  1  0.438  0.219  0.450  1.0
  Sn  Sn29  1  0.219  0.438  0.550  1.0
  Sn  Sn30  1  0.219  0.781  0.550  1.0
  Sn  Sn31  1  0.562  0.781  0.550  1.0
  Sn  Sn32  1  0.667  0.333  0.181  1.0
  Sn  Sn33  1  0.333  0.667  0.819  1.0
  Sn  Sn34  1  0.667  0.333  0.887  1.0
  Sn  Sn35  1  0.333  0.667  0.113  1.0
[/CIF]
.