The compound described by Tb3Os is Cementite structured and crystallizes in the orthorhombic Pnma space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 3-coordinate geometry to three equivalent Os(1) atoms. In the second Tb site, Tb(2) is bonded in a distorted bent 150 degrees geometry to two equivalent Os(1) atoms. Os(1) is bonded in a 8-coordinate geometry to two equivalent Tb(2) and six equivalent Tb(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tb3Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.372
_cell_length_b   7.382
_cell_length_c   9.090
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   427.597
_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  0.330  0.673  0.064  1.0
  Tb  Tb1  1  0.170  0.173  0.436  1.0
  Tb  Tb2  1  0.670  0.327  0.564  1.0
  Tb  Tb3  1  0.830  0.827  0.936  1.0
  Tb  Tb4  1  0.670  0.327  0.936  1.0
  Tb  Tb5  1  0.830  0.827  0.564  1.0
  Tb  Tb6  1  0.330  0.673  0.436  1.0
  Tb  Tb7  1  0.170  0.173  0.064  1.0
  Tb  Tb8  1  0.871  0.542  0.250  1.0
  Tb  Tb9  1  0.629  0.042  0.250  1.0
  Tb  Tb10  1  0.129  0.458  0.750  1.0
  Tb  Tb11  1  0.371  0.958  0.750  1.0
  Os  Os12  1  0.036  0.885  0.250  1.0
  Os  Os13  1  0.464  0.385  0.250  1.0
  Os  Os14  1  0.964  0.115  0.750  1.0
  Os  Os15  1  0.536  0.615  0.750  1.0
[/CIF]
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The compound described by Tb3Os is Cementite structured and crystallizes in the orthorhombic Pnma space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 3-coordinate geometry to three equivalent Os(1) atoms. In the second Tb site, Tb(2) is bonded in a distorted bent 150 degrees geometry to two equivalent Os(1) atoms. Os(1) is bonded in a 8-coordinate geometry to two equivalent Tb(2) and six equivalent Tb(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tb3Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.372
_cell_length_b   7.382
_cell_length_c   9.090
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   427.597
_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  0.330  0.673  0.064  1.0
  Tb  Tb1  1  0.170  0.173  0.436  1.0
  Tb  Tb2  1  0.670  0.327  0.564  1.0
  Tb  Tb3  1  0.830  0.827  0.936  1.0
  Tb  Tb4  1  0.670  0.327  0.936  1.0
  Tb  Tb5  1  0.830  0.827  0.564  1.0
  Tb  Tb6  1  0.330  0.673  0.436  1.0
  Tb  Tb7  1  0.170  0.173  0.064  1.0
  Tb  Tb8  1  0.871  0.542  0.250  1.0
  Tb  Tb9  1  0.629  0.042  0.250  1.0
  Tb  Tb10  1  0.129  0.458  0.750  1.0
  Tb  Tb11  1  0.371  0.958  0.750  1.0
  Os  Os12  1  0.036  0.885  0.250  1.0
  Os  Os13  1  0.464  0.385  0.250  1.0
  Os  Os14  1  0.964  0.115  0.750  1.0
  Os  Os15  1  0.536  0.615  0.750  1.0
[/CIF]
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