The compound described by Sr(Ni2Sn)2 crystallizes in the tetragonal I4/mcm space group. Sr(1) is bonded in a 8-coordinate geometry to eight equivalent Ni(1) and eight equivalent Sn(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to two equivalent Sr(1), three equivalent Ni(1), and four equivalent Sn(1) atoms. Sn(1) is bonded in a 12-coordinate geometry to four equivalent Sr(1) and eight equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_Sr(Ni2Sn)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.757
_cell_length_b   6.757
_cell_length_c   6.757
_cell_angle_alpha   109.087
_cell_angle_beta   109.087
_cell_angle_gamma   110.242
_symmetry_Int_Tables_number   1
_cell_volume   237.444
_cell_formula_units_Z   2
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
  Sr  Sr0  1  0.750  0.750  0.000  1.0
  Sr  Sr1  1  0.250  0.250  0.000  1.0
  Ni  Ni2  1  0.528  0.295  0.500  1.0
  Ni  Ni3  1  0.028  0.528  0.232  1.0
  Ni  Ni4  1  0.295  0.795  0.768  1.0
  Ni  Ni5  1  0.795  0.028  0.500  1.0
  Ni  Ni6  1  0.205  0.972  0.500  1.0
  Ni  Ni7  1  0.972  0.472  0.768  1.0
  Ni  Ni8  1  0.472  0.705  0.500  1.0
  Ni  Ni9  1  0.705  0.205  0.232  1.0
  Sn  Sn10  1  0.839  0.661  0.500  1.0
  Sn  Sn11  1  0.661  0.161  0.822  1.0
  Sn  Sn12  1  0.339  0.839  0.178  1.0
  Sn  Sn13  1  0.161  0.339  0.500  1.0
[/CIF]
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The compound described by Sr(Ni2Sn)2 crystallizes in the tetragonal I4/mcm space group. Sr(1) is bonded in a 8-coordinate geometry to eight equivalent Ni(1) and eight equivalent Sn(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to two equivalent Sr(1), three equivalent Ni(1), and four equivalent Sn(1) atoms. Sn(1) is bonded in a 12-coordinate geometry to four equivalent Sr(1) and eight equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_Sr(Ni2Sn)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.757
_cell_length_b   6.757
_cell_length_c   6.757
_cell_angle_alpha   109.087
_cell_angle_beta   109.087
_cell_angle_gamma   110.242
_symmetry_Int_Tables_number   1
_cell_volume   237.444
_cell_formula_units_Z   2
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
  Sr  Sr0  1  0.750  0.750  0.000  1.0
  Sr  Sr1  1  0.250  0.250  0.000  1.0
  Ni  Ni2  1  0.528  0.295  0.500  1.0
  Ni  Ni3  1  0.028  0.528  0.232  1.0
  Ni  Ni4  1  0.295  0.795  0.768  1.0
  Ni  Ni5  1  0.795  0.028  0.500  1.0
  Ni  Ni6  1  0.205  0.972  0.500  1.0
  Ni  Ni7  1  0.972  0.472  0.768  1.0
  Ni  Ni8  1  0.472  0.705  0.500  1.0
  Ni  Ni9  1  0.705  0.205  0.232  1.0
  Sn  Sn10  1  0.839  0.661  0.500  1.0
  Sn  Sn11  1  0.661  0.161  0.822  1.0
  Sn  Sn12  1  0.339  0.839  0.178  1.0
  Sn  Sn13  1  0.161  0.339  0.500  1.0
[/CIF]
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