The compound described by Ce2NiSn4 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 10-coordinate geometry to two equivalent Sn(1), two equivalent Sn(2), two equivalent Sn(3), and four equivalent Sn(4) atoms. In the second Ce site, Ce(2) is bonded in a 14-coordinate geometry to four equivalent Ni(1), two equivalent Sn(1), two equivalent Sn(2), two equivalent Sn(4), and four equivalent Sn(3) atoms. Ni(1) is bonded in a 5-coordinate geometry to four equivalent Ce(2), one Sn(3), two equivalent Sn(1), and two equivalent Sn(2) atoms. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 10-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), two equivalent Ni(1), and four equivalent Sn(2) atoms. In the second Sn site, Sn(2) is bonded in a 10-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), two equivalent Ni(1), and four equivalent Sn(1) atoms. In the third Sn site, Sn(3) is bonded in a 9-coordinate geometry to two equivalent Ce(1), four equivalent Ce(2), one Ni(1), and two equivalent Sn(4) atoms. In the fourth Sn site, Sn(4) is bonded in a 8-coordinate geometry to two equivalent Ce(2), four equivalent Ce(1), and two equivalent Sn(3) atoms. is represented by the CIF file [CIF]
data_Ce2NiSn4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.496
_cell_length_b   4.528
_cell_length_c   9.057
_cell_angle_alpha   75.525
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   178.535
_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
  Ce  Ce0  1  0.250  0.893  0.213  1.0
  Ce  Ce1  1  0.750  0.104  0.792  1.0
  Ni  Ni2  1  0.250  0.688  0.623  1.0
  Sn  Sn3  1  0.250  0.257  0.486  1.0
  Sn  Sn4  1  0.750  0.756  0.489  1.0
  Sn  Sn5  1  0.250  0.546  0.908  1.0
  Sn  Sn6  1  0.750  0.440  0.120  1.0
[/CIF]
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The compound described by Ce2NiSn4 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 10-coordinate geometry to two equivalent Sn(1), two equivalent Sn(2), two equivalent Sn(3), and four equivalent Sn(4) atoms. In the second Ce site, Ce(2) is bonded in a 14-coordinate geometry to four equivalent Ni(1), two equivalent Sn(1), two equivalent Sn(2), two equivalent Sn(4), and four equivalent Sn(3) atoms. Ni(1) is bonded in a 5-coordinate geometry to four equivalent Ce(2), one Sn(3), two equivalent Sn(1), and two equivalent Sn(2) atoms. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 10-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), two equivalent Ni(1), and four equivalent Sn(2) atoms. In the second Sn site, Sn(2) is bonded in a 10-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), two equivalent Ni(1), and four equivalent Sn(1) atoms. In the third Sn site, Sn(3) is bonded in a 9-coordinate geometry to two equivalent Ce(1), four equivalent Ce(2), one Ni(1), and two equivalent Sn(4) atoms. In the fourth Sn site, Sn(4) is bonded in a 8-coordinate geometry to two equivalent Ce(2), four equivalent Ce(1), and two equivalent Sn(3) atoms. is represented by the CIF file [CIF]
data_Ce2NiSn4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.496
_cell_length_b   4.528
_cell_length_c   9.057
_cell_angle_alpha   75.525
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   178.535
_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
  Ce  Ce0  1  0.250  0.893  0.213  1.0
  Ce  Ce1  1  0.750  0.104  0.792  1.0
  Ni  Ni2  1  0.250  0.688  0.623  1.0
  Sn  Sn3  1  0.250  0.257  0.486  1.0
  Sn  Sn4  1  0.750  0.756  0.489  1.0
  Sn  Sn5  1  0.250  0.546  0.908  1.0
  Sn  Sn6  1  0.750  0.440  0.120  1.0
[/CIF]
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