The material structure described by Gd2(Zn2Ge)3 crystallizes in the hexagonal P-62m space group. Gd(1) is bonded in a 6-coordinate geometry to six equivalent Ge(1) atoms. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted single-bond geometry to one Ge(1) atom. In the second Zn site, Zn(2) is bonded in a 2-coordinate geometry to two equivalent Ge(1) atoms. Ge(1) is bonded to four equivalent Gd(1), one Zn(1), and two equivalent Zn(2) atoms to form a mixture of distorted corner, edge, and face-sharing GeGd4Zn3 hexagonal pyramids. is represented by the CIF file [CIF]
data_Gd2(Zn2Ge)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.747
_cell_length_b   8.748
_cell_length_c   3.322
_cell_angle_alpha   89.997
_cell_angle_beta   89.999
_cell_angle_gamma   120.001
_symmetry_Int_Tables_number   1
_cell_volume   220.131
_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
  Gd  Gd0  1  0.667  0.333  0.000  1.0
  Gd  Gd1  1  0.333  0.667  1.000  1.0
  Zn  Zn2  1  0.750  1.000  0.500  1.0
  Zn  Zn3  1  0.000  0.750  0.500  1.0
  Zn  Zn4  1  0.217  1.000  0.000  1.0
  Zn  Zn5  1  0.783  0.783  1.000  1.0
  Zn  Zn6  1  0.250  0.250  0.500  1.0
  Zn  Zn7  1  0.000  0.217  0.000  1.0
  Ge  Ge8  1  0.457  1.000  0.500  1.0
  Ge  Ge9  1  0.543  0.543  0.500  1.0
  Ge  Ge10  1  0.000  0.457  0.500  1.0
[/CIF]
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The material structure described by Gd2(Zn2Ge)3 crystallizes in the hexagonal P-62m space group. Gd(1) is bonded in a 6-coordinate geometry to six equivalent Ge(1) atoms. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted single-bond geometry to one Ge(1) atom. In the second Zn site, Zn(2) is bonded in a 2-coordinate geometry to two equivalent Ge(1) atoms. Ge(1) is bonded to four equivalent Gd(1), one Zn(1), and two equivalent Zn(2) atoms to form a mixture of distorted corner, edge, and face-sharing GeGd4Zn3 hexagonal pyramids. is represented by the CIF file [CIF]
data_Gd2(Zn2Ge)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.747
_cell_length_b   8.748
_cell_length_c   3.322
_cell_angle_alpha   89.997
_cell_angle_beta   89.999
_cell_angle_gamma   120.001
_symmetry_Int_Tables_number   1
_cell_volume   220.131
_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
  Gd  Gd0  1  0.667  0.333  0.000  1.0
  Gd  Gd1  1  0.333  0.667  1.000  1.0
  Zn  Zn2  1  0.750  1.000  0.500  1.0
  Zn  Zn3  1  0.000  0.750  0.500  1.0
  Zn  Zn4  1  0.217  1.000  0.000  1.0
  Zn  Zn5  1  0.783  0.783  1.000  1.0
  Zn  Zn6  1  0.250  0.250  0.500  1.0
  Zn  Zn7  1  0.000  0.217  0.000  1.0
  Ge  Ge8  1  0.457  1.000  0.500  1.0
  Ge  Ge9  1  0.543  0.543  0.500  1.0
  Ge  Ge10  1  0.000  0.457  0.500  1.0
[/CIF]
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