The compound described by Tb2GeSi crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 7-coordinate geometry to three equivalent Ge(1) and four equivalent Si(1) atoms. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to four equivalent Ge(1) and three equivalent Si(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to three equivalent Tb(1), four equivalent Tb(2), and two equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to three equivalent Tb(2), four equivalent Tb(1), and two equivalent Ge(1) atoms. is represented by the CIF card [CIF]
data_Tb2SiGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.744
_cell_length_b   5.744
_cell_length_c   3.896
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   136.034
_symmetry_Int_Tables_number   1
_cell_volume   89.229
_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
  Tb  Tb0  1  0.139  0.861  0.500  1.0
  Tb  Tb1  1  0.860  0.140  0.000  1.0
  Si  Si2  1  0.580  0.420  0.000  1.0
  Ge  Ge3  1  0.421  0.579  0.500  1.0
[/CIF]
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The compound described by Tb2GeSi crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 7-coordinate geometry to three equivalent Ge(1) and four equivalent Si(1) atoms. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to four equivalent Ge(1) and three equivalent Si(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to three equivalent Tb(1), four equivalent Tb(2), and two equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to three equivalent Tb(2), four equivalent Tb(1), and two equivalent Ge(1) atoms. is represented by the CIF card [CIF]
data_Tb2SiGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.744
_cell_length_b   5.744
_cell_length_c   3.896
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   136.034
_symmetry_Int_Tables_number   1
_cell_volume   89.229
_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
  Tb  Tb0  1  0.139  0.861  0.500  1.0
  Tb  Tb1  1  0.860  0.140  0.000  1.0
  Si  Si2  1  0.580  0.420  0.000  1.0
  Ge  Ge3  1  0.421  0.579  0.500  1.0
[/CIF]
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