The crystal structure described by Ta2V3Ge crystallizes in the hexagonal P6_3/mmc space group. Ta(1) is bonded in a 16-coordinate geometry to four equivalent Ta(1), nine equivalent V(1), and three equivalent Ge(1) atoms. V(1) is bonded to six equivalent Ta(1), four equivalent V(1), and two equivalent Ge(1) atoms to form distorted VTa6V4Ge2 cuboctahedra that share corners with four equivalent Ge(1)Ta6V6 cuboctahedra, corners with fourteen equivalent V(1)Ta6V4Ge2 cuboctahedra, edges with six equivalent V(1)Ta6V4Ge2 cuboctahedra, faces with six equivalent Ge(1)Ta6V6 cuboctahedra, and faces with twelve equivalent V(1)Ta6V4Ge2 cuboctahedra. Ge(1) is bonded to six equivalent Ta(1) and six equivalent V(1) atoms to form GeTa6V6 cuboctahedra that share corners with twelve equivalent V(1)Ta6V4Ge2 cuboctahedra, edges with six equivalent Ge(1)Ta6V6 cuboctahedra, faces with two equivalent Ge(1)Ta6V6 cuboctahedra, and faces with eighteen equivalent V(1)Ta6V4Ge2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ta2V3Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.969
_cell_length_b   4.969
_cell_length_c   8.387
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   179.332
_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
  Ta  Ta0  1  0.333  0.667  0.438  1.0
  Ta  Ta1  1  0.667  0.333  0.562  1.0
  Ta  Ta2  1  0.667  0.333  0.938  1.0
  Ta  Ta3  1  0.333  0.667  0.062  1.0
  V  V4  1  0.827  0.173  0.250  1.0
  V  V5  1  0.827  0.655  0.250  1.0
  V  V6  1  0.345  0.173  0.250  1.0
  V  V7  1  0.173  0.827  0.750  1.0
  V  V8  1  0.173  0.345  0.750  1.0
  V  V9  1  0.655  0.827  0.750  1.0
  Ge  Ge10  1  0.000  0.000  0.500  1.0
  Ge  Ge11  1  0.000  0.000  0.000  1.0
[/CIF]
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The crystal structure described by Ta2V3Ge crystallizes in the hexagonal P6_3/mmc space group. Ta(1) is bonded in a 16-coordinate geometry to four equivalent Ta(1), nine equivalent V(1), and three equivalent Ge(1) atoms. V(1) is bonded to six equivalent Ta(1), four equivalent V(1), and two equivalent Ge(1) atoms to form distorted VTa6V4Ge2 cuboctahedra that share corners with four equivalent Ge(1)Ta6V6 cuboctahedra, corners with fourteen equivalent V(1)Ta6V4Ge2 cuboctahedra, edges with six equivalent V(1)Ta6V4Ge2 cuboctahedra, faces with six equivalent Ge(1)Ta6V6 cuboctahedra, and faces with twelve equivalent V(1)Ta6V4Ge2 cuboctahedra. Ge(1) is bonded to six equivalent Ta(1) and six equivalent V(1) atoms to form GeTa6V6 cuboctahedra that share corners with twelve equivalent V(1)Ta6V4Ge2 cuboctahedra, edges with six equivalent Ge(1)Ta6V6 cuboctahedra, faces with two equivalent Ge(1)Ta6V6 cuboctahedra, and faces with eighteen equivalent V(1)Ta6V4Ge2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ta2V3Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.969
_cell_length_b   4.969
_cell_length_c   8.387
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   179.332
_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
  Ta  Ta0  1  0.333  0.667  0.438  1.0
  Ta  Ta1  1  0.667  0.333  0.562  1.0
  Ta  Ta2  1  0.667  0.333  0.938  1.0
  Ta  Ta3  1  0.333  0.667  0.062  1.0
  V  V4  1  0.827  0.173  0.250  1.0
  V  V5  1  0.827  0.655  0.250  1.0
  V  V6  1  0.345  0.173  0.250  1.0
  V  V7  1  0.173  0.827  0.750  1.0
  V  V8  1  0.173  0.345  0.750  1.0
  V  V9  1  0.655  0.827  0.750  1.0
  Ge  Ge10  1  0.000  0.000  0.500  1.0
  Ge  Ge11  1  0.000  0.000  0.000  1.0
[/CIF]
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