The crystal structure described by Th2Ni10Al15 crystallizes in the orthorhombic Immm space group. Th(1) is bonded in a 18-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), four equivalent Ni(1), two equivalent Al(3), two equivalent Al(5), and six equivalent Al(1) atoms. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 9-coordinate geometry to two equivalent Th(1), one Ni(3), one Al(3), two equivalent Al(5), and three equivalent Al(1) atoms. In the second Ni site, Ni(2) is bonded in a 8-coordinate geometry to two equivalent Th(1), two equivalent Al(1), two equivalent Al(4), and four equivalent Al(3) atoms. In the third Ni site, Ni(3) is bonded in a 2-coordinate geometry to two equivalent Th(1), two equivalent Ni(1), and two equivalent Al(2) atoms. In the fourth Ni site, Ni(4) is bonded in a 8-coordinate geometry to two equivalent Al(3), two equivalent Al(4), and four equivalent Al(5) atoms. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to three equivalent Th(1), one Ni(2), and three equivalent Ni(1) atoms. In the second Al site, Al(2) is bonded in a distorted body-centered cubic geometry to four equivalent Ni(3) and four equivalent Al(5) atoms. In the third Al site, Al(3) is bonded in a 4-coordinate geometry to one Th(1), one Ni(1), one Ni(4), two equivalent Ni(2), and two equivalent Al(4) atoms. In the fourth Al site, Al(4) is bonded in a 11-coordinate geometry to two equivalent Ni(2), two equivalent Ni(4), one Al(4), two equivalent Al(5), and four equivalent Al(3) atoms. In the fifth Al site, Al(5) is bonded in a 4-coordinate geometry to one Th(1), two equivalent Ni(1), two equivalent Ni(4), one Al(2), and one Al(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Th2(Al3Ni2)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.888
_cell_length_b   10.888
_cell_length_c   10.888
_cell_angle_alpha   159.176
_cell_angle_beta   118.463
_cell_angle_gamma   65.715
_symmetry_Int_Tables_number   1
_cell_volume   401.017
_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
  Th  Th0  1  0.272  0.272  0.000  1.0
  Th  Th1  1  0.728  0.728  0.000  1.0
  Al  Al2  1  0.601  0.295  0.305  1.0
  Al  Al3  1  0.399  0.705  0.695  1.0
  Al  Al4  1  0.010  0.705  0.305  1.0
  Al  Al5  1  0.990  0.295  0.695  1.0
  Al  Al6  1  0.500  0.500  0.000  1.0
  Al  Al7  1  0.770  0.896  0.874  1.0
  Al  Al8  1  0.230  0.104  0.126  1.0
  Al  Al9  1  0.978  0.104  0.874  1.0
  Al  Al10  1  0.022  0.896  0.126  1.0
  Al  Al11  1  0.880  0.500  0.380  1.0
  Al  Al12  1  0.120  0.500  0.620  1.0
  Al  Al13  1  0.586  0.414  0.172  1.0
  Al  Al14  1  0.414  0.586  0.828  1.0
  Al  Al15  1  0.758  0.586  0.172  1.0
  Al  Al16  1  0.242  0.414  0.828  1.0
  Ni  Ni17  1  0.517  0.836  0.681  1.0
  Ni  Ni18  1  0.483  0.164  0.319  1.0
  Ni  Ni19  1  0.846  0.164  0.681  1.0
  Ni  Ni20  1  0.154  0.836  0.319  1.0
  Ni  Ni21  1  0.879  0.379  0.500  1.0
  Ni  Ni22  1  0.121  0.621  0.500  1.0
  Ni  Ni23  1  0.420  0.920  0.500  1.0
  Ni  Ni24  1  0.580  0.080  0.500  1.0
  Ni  Ni25  1  0.721  0.000  0.721  1.0
  Ni  Ni26  1  0.279  0.000  0.279  1.0
[/CIF]
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The crystal structure described by Th2Ni10Al15 crystallizes in the orthorhombic Immm space group. Th(1) is bonded in a 18-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), four equivalent Ni(1), two equivalent Al(3), two equivalent Al(5), and six equivalent Al(1) atoms. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 9-coordinate geometry to two equivalent Th(1), one Ni(3), one Al(3), two equivalent Al(5), and three equivalent Al(1) atoms. In the second Ni site, Ni(2) is bonded in a 8-coordinate geometry to two equivalent Th(1), two equivalent Al(1), two equivalent Al(4), and four equivalent Al(3) atoms. In the third Ni site, Ni(3) is bonded in a 2-coordinate geometry to two equivalent Th(1), two equivalent Ni(1), and two equivalent Al(2) atoms. In the fourth Ni site, Ni(4) is bonded in a 8-coordinate geometry to two equivalent Al(3), two equivalent Al(4), and four equivalent Al(5) atoms. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to three equivalent Th(1), one Ni(2), and three equivalent Ni(1) atoms. In the second Al site, Al(2) is bonded in a distorted body-centered cubic geometry to four equivalent Ni(3) and four equivalent Al(5) atoms. In the third Al site, Al(3) is bonded in a 4-coordinate geometry to one Th(1), one Ni(1), one Ni(4), two equivalent Ni(2), and two equivalent Al(4) atoms. In the fourth Al site, Al(4) is bonded in a 11-coordinate geometry to two equivalent Ni(2), two equivalent Ni(4), one Al(4), two equivalent Al(5), and four equivalent Al(3) atoms. In the fifth Al site, Al(5) is bonded in a 4-coordinate geometry to one Th(1), two equivalent Ni(1), two equivalent Ni(4), one Al(2), and one Al(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Th2(Al3Ni2)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.888
_cell_length_b   10.888
_cell_length_c   10.888
_cell_angle_alpha   159.176
_cell_angle_beta   118.463
_cell_angle_gamma   65.715
_symmetry_Int_Tables_number   1
_cell_volume   401.017
_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
  Th  Th0  1  0.272  0.272  0.000  1.0
  Th  Th1  1  0.728  0.728  0.000  1.0
  Al  Al2  1  0.601  0.295  0.305  1.0
  Al  Al3  1  0.399  0.705  0.695  1.0
  Al  Al4  1  0.010  0.705  0.305  1.0
  Al  Al5  1  0.990  0.295  0.695  1.0
  Al  Al6  1  0.500  0.500  0.000  1.0
  Al  Al7  1  0.770  0.896  0.874  1.0
  Al  Al8  1  0.230  0.104  0.126  1.0
  Al  Al9  1  0.978  0.104  0.874  1.0
  Al  Al10  1  0.022  0.896  0.126  1.0
  Al  Al11  1  0.880  0.500  0.380  1.0
  Al  Al12  1  0.120  0.500  0.620  1.0
  Al  Al13  1  0.586  0.414  0.172  1.0
  Al  Al14  1  0.414  0.586  0.828  1.0
  Al  Al15  1  0.758  0.586  0.172  1.0
  Al  Al16  1  0.242  0.414  0.828  1.0
  Ni  Ni17  1  0.517  0.836  0.681  1.0
  Ni  Ni18  1  0.483  0.164  0.319  1.0
  Ni  Ni19  1  0.846  0.164  0.681  1.0
  Ni  Ni20  1  0.154  0.836  0.319  1.0
  Ni  Ni21  1  0.879  0.379  0.500  1.0
  Ni  Ni22  1  0.121  0.621  0.500  1.0
  Ni  Ni23  1  0.420  0.920  0.500  1.0
  Ni  Ni24  1  0.580  0.080  0.500  1.0
  Ni  Ni25  1  0.721  0.000  0.721  1.0
  Ni  Ni26  1  0.279  0.000  0.279  1.0
[/CIF]
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