The material structure described by Tm2NiSn6 crystallizes in the orthorhombic Cmmm space group. Tm(1) is bonded in a 10-coordinate geometry to two equivalent Sn(1), two equivalent Sn(2), and six equivalent Sn(3) atoms. Ni(1) is bonded in a body-centered cubic geometry to four equivalent Sn(1) and four equivalent Sn(2) atoms. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 4-coordinate geometry to two equivalent Tm(1) and two equivalent Ni(1) atoms. In the second Sn site, Sn(2) is bonded in a 4-coordinate geometry to two equivalent Tm(1) and two equivalent Ni(1) atoms. In the third Sn site, Sn(3) is bonded in a 8-coordinate geometry to six equivalent Tm(1) and two equivalent Sn(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tm2NiSn6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.481
_cell_length_b   11.481
_cell_length_c   4.359
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   158.339
_symmetry_Int_Tables_number   1
_cell_volume   212.062
_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
  Tm  Tm0  1  0.177  0.823  0.000  1.0
  Tm  Tm1  1  0.823  0.177  0.000  1.0
  Ni  Ni2  1  0.500  0.500  0.500  1.0
  Sn  Sn3  1  0.430  0.570  0.000  1.0
  Sn  Sn4  1  0.570  0.430  0.000  1.0
  Sn  Sn5  1  0.070  0.930  0.500  1.0
  Sn  Sn6  1  0.930  0.070  0.500  1.0
  Sn  Sn7  1  0.706  0.294  0.500  1.0
  Sn  Sn8  1  0.294  0.706  0.500  1.0
[/CIF]
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The material structure described by Tm2NiSn6 crystallizes in the orthorhombic Cmmm space group. Tm(1) is bonded in a 10-coordinate geometry to two equivalent Sn(1), two equivalent Sn(2), and six equivalent Sn(3) atoms. Ni(1) is bonded in a body-centered cubic geometry to four equivalent Sn(1) and four equivalent Sn(2) atoms. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 4-coordinate geometry to two equivalent Tm(1) and two equivalent Ni(1) atoms. In the second Sn site, Sn(2) is bonded in a 4-coordinate geometry to two equivalent Tm(1) and two equivalent Ni(1) atoms. In the third Sn site, Sn(3) is bonded in a 8-coordinate geometry to six equivalent Tm(1) and two equivalent Sn(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tm2NiSn6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.481
_cell_length_b   11.481
_cell_length_c   4.359
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   158.339
_symmetry_Int_Tables_number   1
_cell_volume   212.062
_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
  Tm  Tm0  1  0.177  0.823  0.000  1.0
  Tm  Tm1  1  0.823  0.177  0.000  1.0
  Ni  Ni2  1  0.500  0.500  0.500  1.0
  Sn  Sn3  1  0.430  0.570  0.000  1.0
  Sn  Sn4  1  0.570  0.430  0.000  1.0
  Sn  Sn5  1  0.070  0.930  0.500  1.0
  Sn  Sn6  1  0.930  0.070  0.500  1.0
  Sn  Sn7  1  0.706  0.294  0.500  1.0
  Sn  Sn8  1  0.294  0.706  0.500  1.0
[/CIF]
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