The material structure described by Zr3V9Ge10 crystallizes in the monoclinic Cm space group. There are three inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 7-coordinate geometry to one Ge(2), one Ge(7), one Ge(8), two equivalent Ge(5), and two equivalent Ge(6) atoms. In the second Zr site, Zr(2) is bonded in a 7-coordinate geometry to one Ge(3), one Ge(7), one Ge(8), two equivalent Ge(5), and two equivalent Ge(9) atoms. In the third Zr site, Zr(3) is bonded in a 7-coordinate geometry to one Ge(4), one Ge(6), one Ge(9), two equivalent Ge(5), and two equivalent Ge(8) atoms. There are seven inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one Ge(1), one Ge(3), one Ge(6), one Ge(7), one Ge(8), and one Ge(9) atom. In the second V site, V(2) is bonded in a 6-coordinate geometry to one Ge(2), one Ge(4), one Ge(6), one Ge(7), one Ge(8), and one Ge(9) atom. In the third V site, V(3) is bonded in a 7-coordinate geometry to one Ge(3), one Ge(4), one Ge(6), two equivalent Ge(2), and two equivalent Ge(5) atoms. In the fourth V site, V(4) is bonded in a 7-coordinate geometry to one Ge(3), one Ge(4), one Ge(7), two equivalent Ge(1), and two equivalent Ge(5) atoms. In the fifth V site, V(5) is bonded in a 7-coordinate geometry to one Ge(1), one Ge(2), one Ge(8), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the sixth V site, V(6) is bonded in a 7-coordinate geometry to one Ge(1), one Ge(2), one Ge(9), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the seventh V site, V(7) is bonded in a 7-coordinate geometry to one Ge(1), one Ge(6), one Ge(9), two equivalent Ge(5), and two equivalent Ge(7) atoms. There are nine inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to one V(5), one V(6), one V(7), two equivalent V(1), two equivalent V(4), one Ge(2), and two equivalent Ge(3) atoms. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to one Zr(1), one V(5), one V(6), two equivalent V(2), two equivalent V(3), one Ge(1), and two equivalent Ge(4) atoms. In the third Ge site, Ge(3) is bonded in a 10-coordinate geometry to one Zr(2), one V(3), one V(4), two equivalent V(1), two equivalent V(6), one Ge(4), and two equivalent Ge(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 10-coordinate geometry to one Zr(3), one V(3), one V(4), two equivalent V(2), two equivalent V(5), one Ge(3), and two equivalent Ge(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 10-coordinate geometry to one Zr(1), one Zr(2), one Zr(3), one V(3), one V(4), one V(5), one V(6), one V(7), and two equivalent Ge(5) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one Zr(3), two equivalent Zr(1), one V(3), one V(7), two equivalent V(1), and two equivalent V(2) atoms. In the seventh Ge site, Ge(7) is bonded in a 9-coordinate geometry to one Zr(1), one Zr(2), one V(4), two equivalent V(1), two equivalent V(2), and two equivalent V(7) atoms. In the eighth Ge site, Ge(8) is bonded in a 9-coordinate geometry to one Zr(1), one Zr(2), two equivalent Zr(3), one V(5), two equivalent V(1), and two equivalent V(2) atoms. In the ninth Ge site, Ge(9) is bonded in a 9-coordinate geometry to one Zr(3), two equivalent Zr(2), one V(6), one V(7), two equivalent V(1), and two equivalent V(2) atoms. is represented by the CIF file [CIF]
data_Zr3V9Ge10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.130
_cell_length_b   7.853
_cell_length_c   9.564
_cell_angle_alpha   65.834
_cell_angle_beta   74.444
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   335.995
_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
  Zr  Zr0  1  0.858  0.740  0.285  1.0
  Zr  Zr1  1  0.642  0.030  0.716  1.0
  Zr  Zr2  1  0.357  0.974  0.285  1.0
  V  V3  1  0.439  0.690  0.620  1.0
  V  V4  1  0.058  0.310  0.382  1.0
  V  V5  1  0.560  0.310  0.382  1.0
  V  V6  1  0.940  0.690  0.620  1.0
  V  V7  1  0.436  0.680  0.128  1.0
  V  V8  1  0.565  0.319  0.871  1.0
  V  V9  1  0.936  0.193  0.127  1.0
  V  V10  1  0.063  0.807  0.874  1.0
  V  V11  1  0.144  0.260  0.713  1.0
  Ge  Ge12  1  0.068  0.471  0.865  1.0
  Ge  Ge13  1  0.935  0.519  0.129  1.0
  Ge  Ge14  1  0.565  0.650  0.870  1.0
  Ge  Ge15  1  0.435  0.350  0.130  1.0
  Ge  Ge16  1  0.755  0.004  0.996  1.0
  Ge  Ge17  1  0.249  0.004  0.996  1.0
  Ge  Ge18  1  0.285  0.576  0.430  1.0
  Ge  Ge19  1  0.711  0.416  0.578  1.0
  Ge  Ge20  1  0.788  0.993  0.424  1.0
  Ge  Ge21  1  0.210  0.012  0.579  1.0
[/CIF]
.
The material structure described by Zr3V9Ge10 crystallizes in the monoclinic Cm space group. There are three inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 7-coordinate geometry to one Ge(2), one Ge(7), one Ge(8), two equivalent Ge(5), and two equivalent Ge(6) atoms. In the second Zr site, Zr(2) is bonded in a 7-coordinate geometry to one Ge(3), one Ge(7), one Ge(8), two equivalent Ge(5), and two equivalent Ge(9) atoms. In the third Zr site, Zr(3) is bonded in a 7-coordinate geometry to one Ge(4), one Ge(6), one Ge(9), two equivalent Ge(5), and two equivalent Ge(8) atoms. There are seven inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one Ge(1), one Ge(3), one Ge(6), one Ge(7), one Ge(8), and one Ge(9) atom. In the second V site, V(2) is bonded in a 6-coordinate geometry to one Ge(2), one Ge(4), one Ge(6), one Ge(7), one Ge(8), and one Ge(9) atom. In the third V site, V(3) is bonded in a 7-coordinate geometry to one Ge(3), one Ge(4), one Ge(6), two equivalent Ge(2), and two equivalent Ge(5) atoms. In the fourth V site, V(4) is bonded in a 7-coordinate geometry to one Ge(3), one Ge(4), one Ge(7), two equivalent Ge(1), and two equivalent Ge(5) atoms. In the fifth V site, V(5) is bonded in a 7-coordinate geometry to one Ge(1), one Ge(2), one Ge(8), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the sixth V site, V(6) is bonded in a 7-coordinate geometry to one Ge(1), one Ge(2), one Ge(9), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the seventh V site, V(7) is bonded in a 7-coordinate geometry to one Ge(1), one Ge(6), one Ge(9), two equivalent Ge(5), and two equivalent Ge(7) atoms. There are nine inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to one V(5), one V(6), one V(7), two equivalent V(1), two equivalent V(4), one Ge(2), and two equivalent Ge(3) atoms. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to one Zr(1), one V(5), one V(6), two equivalent V(2), two equivalent V(3), one Ge(1), and two equivalent Ge(4) atoms. In the third Ge site, Ge(3) is bonded in a 10-coordinate geometry to one Zr(2), one V(3), one V(4), two equivalent V(1), two equivalent V(6), one Ge(4), and two equivalent Ge(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 10-coordinate geometry to one Zr(3), one V(3), one V(4), two equivalent V(2), two equivalent V(5), one Ge(3), and two equivalent Ge(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 10-coordinate geometry to one Zr(1), one Zr(2), one Zr(3), one V(3), one V(4), one V(5), one V(6), one V(7), and two equivalent Ge(5) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one Zr(3), two equivalent Zr(1), one V(3), one V(7), two equivalent V(1), and two equivalent V(2) atoms. In the seventh Ge site, Ge(7) is bonded in a 9-coordinate geometry to one Zr(1), one Zr(2), one V(4), two equivalent V(1), two equivalent V(2), and two equivalent V(7) atoms. In the eighth Ge site, Ge(8) is bonded in a 9-coordinate geometry to one Zr(1), one Zr(2), two equivalent Zr(3), one V(5), two equivalent V(1), and two equivalent V(2) atoms. In the ninth Ge site, Ge(9) is bonded in a 9-coordinate geometry to one Zr(3), two equivalent Zr(2), one V(6), one V(7), two equivalent V(1), and two equivalent V(2) atoms. is represented by the CIF file [CIF]
data_Zr3V9Ge10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.130
_cell_length_b   7.853
_cell_length_c   9.564
_cell_angle_alpha   65.834
_cell_angle_beta   74.444
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   335.995
_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
  Zr  Zr0  1  0.858  0.740  0.285  1.0
  Zr  Zr1  1  0.642  0.030  0.716  1.0
  Zr  Zr2  1  0.357  0.974  0.285  1.0
  V  V3  1  0.439  0.690  0.620  1.0
  V  V4  1  0.058  0.310  0.382  1.0
  V  V5  1  0.560  0.310  0.382  1.0
  V  V6  1  0.940  0.690  0.620  1.0
  V  V7  1  0.436  0.680  0.128  1.0
  V  V8  1  0.565  0.319  0.871  1.0
  V  V9  1  0.936  0.193  0.127  1.0
  V  V10  1  0.063  0.807  0.874  1.0
  V  V11  1  0.144  0.260  0.713  1.0
  Ge  Ge12  1  0.068  0.471  0.865  1.0
  Ge  Ge13  1  0.935  0.519  0.129  1.0
  Ge  Ge14  1  0.565  0.650  0.870  1.0
  Ge  Ge15  1  0.435  0.350  0.130  1.0
  Ge  Ge16  1  0.755  0.004  0.996  1.0
  Ge  Ge17  1  0.249  0.004  0.996  1.0
  Ge  Ge18  1  0.285  0.576  0.430  1.0
  Ge  Ge19  1  0.711  0.416  0.578  1.0
  Ge  Ge20  1  0.788  0.993  0.424  1.0
  Ge  Ge21  1  0.210  0.012  0.579  1.0
[/CIF]
.