The compound described by YbF3 is Cementite structured and crystallizes in the orthorhombic Pnma space group. Yb(1) is bonded in a 9-coordinate geometry to three equivalent F(1) and six equivalent F(2) atoms. There are two inequivalent F sites. In the first F site, F(2) is bonded in a distorted trigonal non-coplanar geometry to three equivalent Yb(1) atoms. In the second F site, F(1) is bonded in a trigonal planar geometry to three equivalent Yb(1) atoms. is represented by the CIF file [CIF]
data_YbF3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.978
_cell_length_b   6.332
_cell_length_c   7.104
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   178.939
_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
  Yb  Yb0  1  0.936  0.610  0.750  1.0
  Yb  Yb1  1  0.436  0.890  0.250  1.0
  Yb  Yb2  1  0.564  0.110  0.750  1.0
  Yb  Yb3  1  0.064  0.390  0.250  1.0
  F  F4  1  0.069  0.957  0.750  1.0
  F  F5  1  0.569  0.543  0.250  1.0
  F  F6  1  0.431  0.457  0.750  1.0
  F  F7  1  0.931  0.043  0.250  1.0
  F  F8  1  0.401  0.191  0.052  1.0
  F  F9  1  0.901  0.309  0.948  1.0
  F  F10  1  0.099  0.691  0.448  1.0
  F  F11  1  0.599  0.809  0.552  1.0
  F  F12  1  0.599  0.809  0.948  1.0
  F  F13  1  0.099  0.691  0.052  1.0
  F  F14  1  0.901  0.309  0.552  1.0
  F  F15  1  0.401  0.191  0.448  1.0
[/CIF]
.
The compound described by YbF3 is Cementite structured and crystallizes in the orthorhombic Pnma space group. Yb(1) is bonded in a 9-coordinate geometry to three equivalent F(1) and six equivalent F(2) atoms. There are two inequivalent F sites. In the first F site, F(2) is bonded in a distorted trigonal non-coplanar geometry to three equivalent Yb(1) atoms. In the second F site, F(1) is bonded in a trigonal planar geometry to three equivalent Yb(1) atoms. is represented by the CIF file [CIF]
data_YbF3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.978
_cell_length_b   6.332
_cell_length_c   7.104
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   178.939
_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
  Yb  Yb0  1  0.936  0.610  0.750  1.0
  Yb  Yb1  1  0.436  0.890  0.250  1.0
  Yb  Yb2  1  0.564  0.110  0.750  1.0
  Yb  Yb3  1  0.064  0.390  0.250  1.0
  F  F4  1  0.069  0.957  0.750  1.0
  F  F5  1  0.569  0.543  0.250  1.0
  F  F6  1  0.431  0.457  0.750  1.0
  F  F7  1  0.931  0.043  0.250  1.0
  F  F8  1  0.401  0.191  0.052  1.0
  F  F9  1  0.901  0.309  0.948  1.0
  F  F10  1  0.099  0.691  0.448  1.0
  F  F11  1  0.599  0.809  0.552  1.0
  F  F12  1  0.599  0.809  0.948  1.0
  F  F13  1  0.099  0.691  0.052  1.0
  F  F14  1  0.901  0.309  0.552  1.0
  F  F15  1  0.401  0.191  0.448  1.0
[/CIF]
.