The structure described by Tb4Zn5Ge6 crystallizes in the orthorhombic Cmc2_1 space group. There are four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 6-coordinate geometry to two equivalent Zn(1), one Ge(2), one Ge(4), two equivalent Ge(1), and two equivalent Ge(6) atoms. In the second Tb site, Tb(2) is bonded in a 13-coordinate geometry to one Zn(3), two equivalent Zn(4), two equivalent Zn(5), one Ge(2), one Ge(4), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the third Tb site, Tb(3) is bonded in a 6-coordinate geometry to one Zn(5), one Ge(4), one Ge(6), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the fourth Tb site, Tb(4) is bonded in a 11-coordinate geometry to one Zn(3), two equivalent Zn(1), one Ge(4), one Ge(6), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. There are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Tb(4), one Zn(2), one Zn(4), one Ge(1), one Ge(5), and two equivalent Ge(4) atoms. In the second Zn site, Zn(2) is bonded in a 4-coordinate geometry to one Zn(1), one Zn(3), one Ge(2), one Ge(6), and two equivalent Ge(4) atoms. In the third Zn site, Zn(3) is bonded in a 7-coordinate geometry to one Tb(2), one Tb(4), one Zn(2), one Ge(2), one Ge(6), and two equivalent Ge(5) atoms. In the fourth Zn site, Zn(4) is bonded in a 6-coordinate geometry to two equivalent Tb(2), one Zn(1), one Ge(3), one Ge(5), and two equivalent Ge(4) atoms. In the fifth Zn site, Zn(5) is bonded in a 7-coordinate geometry to one Tb(3), two equivalent Tb(2), one Ge(1), one Ge(5), and two equivalent Ge(2) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Tb(4), one Zn(1), one Zn(5), and one Ge(3) atom. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to one Tb(1), one Tb(2), two equivalent Tb(3), one Zn(2), one Zn(3), and two equivalent Zn(5) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Tb(2), two equivalent Tb(3), two equivalent Tb(4), one Zn(4), and one Ge(1) atom. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to one Tb(1), one Tb(2), one Tb(3), one Tb(4), two equivalent Zn(1), two equivalent Zn(2), and two equivalent Zn(4) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Tb(2), two equivalent Tb(4), one Zn(1), one Zn(4), one Zn(5), and two equivalent Zn(3) atoms. In the sixth Ge site, Ge(6) is bonded in a 6-coordinate geometry to one Tb(3), one Tb(4), two equivalent Tb(1), one Zn(2), and one Zn(3) atom. is represented by the CIF file [CIF]
data_Tb4Zn5Ge6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.503
_cell_length_b   9.503
_cell_length_c   15.847
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   154.052
_symmetry_Int_Tables_number   1
_cell_volume   626.150
_cell_formula_units_Z   2
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  0.320  0.680  0.508  1.0
  Tb  Tb1  1  0.533  0.467  0.821  1.0
  Tb  Tb2  1  0.672  0.328  0.367  1.0
  Tb  Tb3  1  0.680  0.320  0.008  1.0
  Tb  Tb4  1  0.467  0.533  0.321  1.0
  Tb  Tb5  1  0.467  0.533  0.051  1.0
  Tb  Tb6  1  0.533  0.467  0.551  1.0
  Tb  Tb7  1  0.328  0.672  0.867  1.0
  Zn  Zn8  1  0.075  0.925  0.105  1.0
  Zn  Zn9  1  0.790  0.210  0.678  1.0
  Zn  Zn10  1  0.353  0.647  0.183  1.0
  Zn  Zn11  1  0.647  0.353  0.683  1.0
  Zn  Zn12  1  0.069  0.931  0.268  1.0
  Zn  Zn13  1  0.210  0.790  0.178  1.0
  Zn  Zn14  1  0.931  0.069  0.768  1.0
  Zn  Zn15  1  0.844  0.156  0.324  1.0
  Zn  Zn16  1  0.156  0.844  0.824  1.0
  Zn  Zn17  1  0.925  0.075  0.605  1.0
  Ge  Ge18  1  0.068  0.932  0.950  1.0
  Ge  Ge19  1  0.724  0.276  0.822  1.0
  Ge  Ge20  1  0.070  0.930  0.426  1.0
  Ge  Ge21  1  0.616  0.384  0.186  1.0
  Ge  Ge22  1  0.059  0.941  0.686  1.0
  Ge  Ge23  1  0.941  0.059  0.186  1.0
  Ge  Ge24  1  0.384  0.616  0.686  1.0
  Ge  Ge25  1  0.712  0.288  0.544  1.0
  Ge  Ge26  1  0.288  0.712  0.044  1.0
  Ge  Ge27  1  0.930  0.070  0.926  1.0
  Ge  Ge28  1  0.276  0.724  0.322  1.0
  Ge  Ge29  1  0.932  0.068  0.450  1.0
[/CIF]
.
The structure described by Tb4Zn5Ge6 crystallizes in the orthorhombic Cmc2_1 space group. There are four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 6-coordinate geometry to two equivalent Zn(1), one Ge(2), one Ge(4), two equivalent Ge(1), and two equivalent Ge(6) atoms. In the second Tb site, Tb(2) is bonded in a 13-coordinate geometry to one Zn(3), two equivalent Zn(4), two equivalent Zn(5), one Ge(2), one Ge(4), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the third Tb site, Tb(3) is bonded in a 6-coordinate geometry to one Zn(5), one Ge(4), one Ge(6), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the fourth Tb site, Tb(4) is bonded in a 11-coordinate geometry to one Zn(3), two equivalent Zn(1), one Ge(4), one Ge(6), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. There are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Tb(4), one Zn(2), one Zn(4), one Ge(1), one Ge(5), and two equivalent Ge(4) atoms. In the second Zn site, Zn(2) is bonded in a 4-coordinate geometry to one Zn(1), one Zn(3), one Ge(2), one Ge(6), and two equivalent Ge(4) atoms. In the third Zn site, Zn(3) is bonded in a 7-coordinate geometry to one Tb(2), one Tb(4), one Zn(2), one Ge(2), one Ge(6), and two equivalent Ge(5) atoms. In the fourth Zn site, Zn(4) is bonded in a 6-coordinate geometry to two equivalent Tb(2), one Zn(1), one Ge(3), one Ge(5), and two equivalent Ge(4) atoms. In the fifth Zn site, Zn(5) is bonded in a 7-coordinate geometry to one Tb(3), two equivalent Tb(2), one Ge(1), one Ge(5), and two equivalent Ge(2) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Tb(4), one Zn(1), one Zn(5), and one Ge(3) atom. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to one Tb(1), one Tb(2), two equivalent Tb(3), one Zn(2), one Zn(3), and two equivalent Zn(5) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Tb(2), two equivalent Tb(3), two equivalent Tb(4), one Zn(4), and one Ge(1) atom. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to one Tb(1), one Tb(2), one Tb(3), one Tb(4), two equivalent Zn(1), two equivalent Zn(2), and two equivalent Zn(4) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Tb(2), two equivalent Tb(4), one Zn(1), one Zn(4), one Zn(5), and two equivalent Zn(3) atoms. In the sixth Ge site, Ge(6) is bonded in a 6-coordinate geometry to one Tb(3), one Tb(4), two equivalent Tb(1), one Zn(2), and one Zn(3) atom. is represented by the CIF file [CIF]
data_Tb4Zn5Ge6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.503
_cell_length_b   9.503
_cell_length_c   15.847
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   154.052
_symmetry_Int_Tables_number   1
_cell_volume   626.150
_cell_formula_units_Z   2
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  0.320  0.680  0.508  1.0
  Tb  Tb1  1  0.533  0.467  0.821  1.0
  Tb  Tb2  1  0.672  0.328  0.367  1.0
  Tb  Tb3  1  0.680  0.320  0.008  1.0
  Tb  Tb4  1  0.467  0.533  0.321  1.0
  Tb  Tb5  1  0.467  0.533  0.051  1.0
  Tb  Tb6  1  0.533  0.467  0.551  1.0
  Tb  Tb7  1  0.328  0.672  0.867  1.0
  Zn  Zn8  1  0.075  0.925  0.105  1.0
  Zn  Zn9  1  0.790  0.210  0.678  1.0
  Zn  Zn10  1  0.353  0.647  0.183  1.0
  Zn  Zn11  1  0.647  0.353  0.683  1.0
  Zn  Zn12  1  0.069  0.931  0.268  1.0
  Zn  Zn13  1  0.210  0.790  0.178  1.0
  Zn  Zn14  1  0.931  0.069  0.768  1.0
  Zn  Zn15  1  0.844  0.156  0.324  1.0
  Zn  Zn16  1  0.156  0.844  0.824  1.0
  Zn  Zn17  1  0.925  0.075  0.605  1.0
  Ge  Ge18  1  0.068  0.932  0.950  1.0
  Ge  Ge19  1  0.724  0.276  0.822  1.0
  Ge  Ge20  1  0.070  0.930  0.426  1.0
  Ge  Ge21  1  0.616  0.384  0.186  1.0
  Ge  Ge22  1  0.059  0.941  0.686  1.0
  Ge  Ge23  1  0.941  0.059  0.186  1.0
  Ge  Ge24  1  0.384  0.616  0.686  1.0
  Ge  Ge25  1  0.712  0.288  0.544  1.0
  Ge  Ge26  1  0.288  0.712  0.044  1.0
  Ge  Ge27  1  0.930  0.070  0.926  1.0
  Ge  Ge28  1  0.276  0.724  0.322  1.0
  Ge  Ge29  1  0.932  0.068  0.450  1.0
[/CIF]
.