The material described by TbSi crystallizes in the orthorhombic Pnma space group. Tb(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to seven equivalent Tb(1) and two equivalent Si(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_TbSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.839
_cell_length_b   5.722
_cell_length_c   7.947
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   174.549
_cell_formula_units_Z   4
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  0.250  0.385  0.679  1.0
  Tb  Tb1  1  0.750  0.615  0.321  1.0
  Tb  Tb2  1  0.750  0.885  0.821  1.0
  Tb  Tb3  1  0.250  0.115  0.179  1.0
  Si  Si4  1  0.250  0.873  0.537  1.0
  Si  Si5  1  0.750  0.127  0.463  1.0
  Si  Si6  1  0.750  0.373  0.963  1.0
  Si  Si7  1  0.250  0.627  0.037  1.0
[/CIF]
.
The material described by TbSi crystallizes in the orthorhombic Pnma space group. Tb(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to seven equivalent Tb(1) and two equivalent Si(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_TbSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.839
_cell_length_b   5.722
_cell_length_c   7.947
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   174.549
_cell_formula_units_Z   4
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  0.250  0.385  0.679  1.0
  Tb  Tb1  1  0.750  0.615  0.321  1.0
  Tb  Tb2  1  0.750  0.885  0.821  1.0
  Tb  Tb3  1  0.250  0.115  0.179  1.0
  Si  Si4  1  0.250  0.873  0.537  1.0
  Si  Si5  1  0.750  0.127  0.463  1.0
  Si  Si6  1  0.750  0.373  0.963  1.0
  Si  Si7  1  0.250  0.627  0.037  1.0
[/CIF]
.