The material described by Eu9(Ni13P6)2 crystallizes in the hexagonal P-6m2 space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 16-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), two equivalent Ni(4), two equivalent Ni(5), four equivalent Ni(6), and four equivalent P(2) atoms. In the second Eu site, Eu(2) is bonded in a 14-coordinate geometry to two equivalent Ni(1), two equivalent Ni(5), two equivalent Ni(8), four equivalent Ni(4), and four equivalent P(2) atoms. In the third Eu site, Eu(3) is bonded in a 16-coordinate geometry to two equivalent Ni(1), two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(5), two equivalent P(1), and four equivalent P(3) atoms. There are eight inequivalent Ni sites. In the first Ni site, Ni(7) is bonded in a 9-coordinate geometry to six equivalent Eu(3) and three equivalent P(3) atoms. In the second Ni site, Ni(8) is bonded in a 9-coordinate geometry to six equivalent Eu(2) and three equivalent Ni(4) atoms. In the third Ni site, Ni(1) is bonded to two equivalent Eu(2), two equivalent Eu(3), two equivalent P(2), and two equivalent P(3) atoms to form a mixture of distorted edge, corner, and face-sharing NiEu4P4 tetrahedra. In the fourth Ni site, Ni(2) is bonded in a distorted single-bond geometry to two equivalent Eu(1), four equivalent Ni(3), and one P(1) atom. In the fifth Ni site, Ni(3) is bonded in a 10-coordinate geometry to two equivalent Eu(1), two equivalent Ni(3), two equivalent Ni(6), and four equivalent Ni(2) atoms. In the sixth Ni site, Ni(4) is bonded in a 9-coordinate geometry to two equivalent Eu(1), four equivalent Eu(2), one Ni(8), and two equivalent P(2) atoms. In the seventh Ni site, Ni(5) is bonded to one Eu(1), one Eu(2), two equivalent Eu(3), one P(1), one P(3), and two equivalent P(2) atoms to form a mixture of distorted edge, corner, and face-sharing NiEu4P4 tetrahedra. In the eighth Ni site, Ni(6) is bonded in a 3-coordinate geometry to one Eu(3), two equivalent Eu(1), one Ni(3), one P(2), and two equivalent P(1) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Eu(3), one Ni(2), two equivalent Ni(5), and four equivalent Ni(6) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Eu(1), two equivalent Eu(2), one Ni(1), one Ni(4), one Ni(6), and two equivalent Ni(5) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to four equivalent Eu(3), one Ni(7), two equivalent Ni(1), and two equivalent Ni(5) atoms. is represented by the CIF card [CIF]
data_Eu9(Ni13P6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.839
_cell_length_b   14.389
_cell_length_c   14.389
_cell_angle_alpha   120.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   688.388
_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
  Eu  Eu0  1  0.500  0.812  0.623  1.0
  Eu  Eu1  1  0.500  0.812  0.188  1.0
  Eu  Eu2  1  0.500  0.377  0.188  1.0
  Eu  Eu3  1  0.500  0.091  0.181  1.0
  Eu  Eu4  1  0.500  0.091  0.909  1.0
  Eu  Eu5  1  0.500  0.819  0.909  1.0
  Eu  Eu6  1  0.000  0.424  0.849  1.0
  Eu  Eu7  1  0.000  0.424  0.576  1.0
  Eu  Eu8  1  0.000  0.151  0.576  1.0
  Ni  Ni9  1  0.000  0.191  0.382  1.0
  Ni  Ni10  1  0.000  0.191  0.809  1.0
  Ni  Ni11  1  0.000  0.618  0.809  1.0
  Ni  Ni12  1  0.500  0.601  0.202  1.0
  Ni  Ni13  1  0.500  0.601  0.399  1.0
  Ni  Ni14  1  0.500  0.798  0.399  1.0
  Ni  Ni15  1  0.000  0.722  0.444  1.0
  Ni  Ni16  1  0.000  0.722  0.278  1.0
  Ni  Ni17  1  0.000  0.556  0.278  1.0
  Ni  Ni18  1  0.000  0.905  0.809  1.0
  Ni  Ni19  1  0.000  0.905  0.095  1.0
  Ni  Ni20  1  0.000  0.191  0.095  1.0
  Ni  Ni21  1  0.500  0.622  0.674  1.0
  Ni  Ni22  1  0.500  0.052  0.378  1.0
  Ni  Ni23  1  0.500  0.052  0.674  1.0
  Ni  Ni24  1  0.500  0.326  0.948  1.0
  Ni  Ni25  1  0.500  0.326  0.378  1.0
  Ni  Ni26  1  0.500  0.622  0.948  1.0
  Ni  Ni27  1  0.000  0.924  0.378  1.0
  Ni  Ni28  1  0.000  0.454  0.076  1.0
  Ni  Ni29  1  0.000  0.454  0.378  1.0
  Ni  Ni30  1  0.000  0.622  0.546  1.0
  Ni  Ni31  1  0.000  0.622  0.076  1.0
  Ni  Ni32  1  0.000  0.924  0.546  1.0
  Ni  Ni33  1  0.500  0.333  0.667  1.0
  Ni  Ni34  1  0.000  0.000  0.000  1.0
  P  P35  1  0.500  0.515  0.029  1.0
  P  P36  1  0.500  0.515  0.485  1.0
  P  P37  1  0.500  0.971  0.485  1.0
  P  P38  1  0.000  0.004  0.278  1.0
  P  P39  1  0.000  0.275  0.996  1.0
  P  P40  1  0.000  0.275  0.278  1.0
  P  P41  1  0.000  0.722  0.725  1.0
  P  P42  1  0.000  0.722  0.996  1.0
  P  P43  1  0.000  0.004  0.725  1.0
  P  P44  1  0.500  0.241  0.481  1.0
  P  P45  1  0.500  0.241  0.759  1.0
  P  P46  1  0.500  0.519  0.759  1.0
[/CIF]
.
The material described by Eu9(Ni13P6)2 crystallizes in the hexagonal P-6m2 space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 16-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), two equivalent Ni(4), two equivalent Ni(5), four equivalent Ni(6), and four equivalent P(2) atoms. In the second Eu site, Eu(2) is bonded in a 14-coordinate geometry to two equivalent Ni(1), two equivalent Ni(5), two equivalent Ni(8), four equivalent Ni(4), and four equivalent P(2) atoms. In the third Eu site, Eu(3) is bonded in a 16-coordinate geometry to two equivalent Ni(1), two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(5), two equivalent P(1), and four equivalent P(3) atoms. There are eight inequivalent Ni sites. In the first Ni site, Ni(7) is bonded in a 9-coordinate geometry to six equivalent Eu(3) and three equivalent P(3) atoms. In the second Ni site, Ni(8) is bonded in a 9-coordinate geometry to six equivalent Eu(2) and three equivalent Ni(4) atoms. In the third Ni site, Ni(1) is bonded to two equivalent Eu(2), two equivalent Eu(3), two equivalent P(2), and two equivalent P(3) atoms to form a mixture of distorted edge, corner, and face-sharing NiEu4P4 tetrahedra. In the fourth Ni site, Ni(2) is bonded in a distorted single-bond geometry to two equivalent Eu(1), four equivalent Ni(3), and one P(1) atom. In the fifth Ni site, Ni(3) is bonded in a 10-coordinate geometry to two equivalent Eu(1), two equivalent Ni(3), two equivalent Ni(6), and four equivalent Ni(2) atoms. In the sixth Ni site, Ni(4) is bonded in a 9-coordinate geometry to two equivalent Eu(1), four equivalent Eu(2), one Ni(8), and two equivalent P(2) atoms. In the seventh Ni site, Ni(5) is bonded to one Eu(1), one Eu(2), two equivalent Eu(3), one P(1), one P(3), and two equivalent P(2) atoms to form a mixture of distorted edge, corner, and face-sharing NiEu4P4 tetrahedra. In the eighth Ni site, Ni(6) is bonded in a 3-coordinate geometry to one Eu(3), two equivalent Eu(1), one Ni(3), one P(2), and two equivalent P(1) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Eu(3), one Ni(2), two equivalent Ni(5), and four equivalent Ni(6) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Eu(1), two equivalent Eu(2), one Ni(1), one Ni(4), one Ni(6), and two equivalent Ni(5) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to four equivalent Eu(3), one Ni(7), two equivalent Ni(1), and two equivalent Ni(5) atoms. is represented by the CIF card [CIF]
data_Eu9(Ni13P6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.839
_cell_length_b   14.389
_cell_length_c   14.389
_cell_angle_alpha   120.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   688.388
_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
  Eu  Eu0  1  0.500  0.812  0.623  1.0
  Eu  Eu1  1  0.500  0.812  0.188  1.0
  Eu  Eu2  1  0.500  0.377  0.188  1.0
  Eu  Eu3  1  0.500  0.091  0.181  1.0
  Eu  Eu4  1  0.500  0.091  0.909  1.0
  Eu  Eu5  1  0.500  0.819  0.909  1.0
  Eu  Eu6  1  0.000  0.424  0.849  1.0
  Eu  Eu7  1  0.000  0.424  0.576  1.0
  Eu  Eu8  1  0.000  0.151  0.576  1.0
  Ni  Ni9  1  0.000  0.191  0.382  1.0
  Ni  Ni10  1  0.000  0.191  0.809  1.0
  Ni  Ni11  1  0.000  0.618  0.809  1.0
  Ni  Ni12  1  0.500  0.601  0.202  1.0
  Ni  Ni13  1  0.500  0.601  0.399  1.0
  Ni  Ni14  1  0.500  0.798  0.399  1.0
  Ni  Ni15  1  0.000  0.722  0.444  1.0
  Ni  Ni16  1  0.000  0.722  0.278  1.0
  Ni  Ni17  1  0.000  0.556  0.278  1.0
  Ni  Ni18  1  0.000  0.905  0.809  1.0
  Ni  Ni19  1  0.000  0.905  0.095  1.0
  Ni  Ni20  1  0.000  0.191  0.095  1.0
  Ni  Ni21  1  0.500  0.622  0.674  1.0
  Ni  Ni22  1  0.500  0.052  0.378  1.0
  Ni  Ni23  1  0.500  0.052  0.674  1.0
  Ni  Ni24  1  0.500  0.326  0.948  1.0
  Ni  Ni25  1  0.500  0.326  0.378  1.0
  Ni  Ni26  1  0.500  0.622  0.948  1.0
  Ni  Ni27  1  0.000  0.924  0.378  1.0
  Ni  Ni28  1  0.000  0.454  0.076  1.0
  Ni  Ni29  1  0.000  0.454  0.378  1.0
  Ni  Ni30  1  0.000  0.622  0.546  1.0
  Ni  Ni31  1  0.000  0.622  0.076  1.0
  Ni  Ni32  1  0.000  0.924  0.546  1.0
  Ni  Ni33  1  0.500  0.333  0.667  1.0
  Ni  Ni34  1  0.000  0.000  0.000  1.0
  P  P35  1  0.500  0.515  0.029  1.0
  P  P36  1  0.500  0.515  0.485  1.0
  P  P37  1  0.500  0.971  0.485  1.0
  P  P38  1  0.000  0.004  0.278  1.0
  P  P39  1  0.000  0.275  0.996  1.0
  P  P40  1  0.000  0.275  0.278  1.0
  P  P41  1  0.000  0.722  0.725  1.0
  P  P42  1  0.000  0.722  0.996  1.0
  P  P43  1  0.000  0.004  0.725  1.0
  P  P44  1  0.500  0.241  0.481  1.0
  P  P45  1  0.500  0.241  0.759  1.0
  P  P46  1  0.500  0.519  0.759  1.0
[/CIF]
.