The compound described by NaGe crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one Ge(2), one Ge(3), two equivalent Ge(1), and two equivalent Ge(4) atoms. In the second Na site, Na(2) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the third Na site, Na(3) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the fourth Na site, Na(4) is bonded in a 6-coordinate geometry to one Ge(2), two equivalent Ge(4), and three equivalent Ge(1) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Na(1), three equivalent Na(4), one Ge(2), one Ge(3), and one Ge(4) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one Na(1), one Na(4), two equivalent Na(2), two equivalent Na(3), one Ge(1), one Ge(3), and one Ge(4) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Na(1), two equivalent Na(2), two equivalent Na(3), one Ge(1), one Ge(2), and one Ge(4) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Na(2), one Na(3), two equivalent Na(1), two equivalent Na(4), one Ge(1), one Ge(2), and one Ge(3) atom. is represented by the CIF file [CIF]
data_NaGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.678
_cell_length_b   11.340
_cell_length_c   11.683
_cell_angle_alpha   115.751
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   796.938
_cell_formula_units_Z   16
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
  Na  Na0  1  0.139  0.451  0.858  1.0
  Na  Na1  1  0.639  0.049  0.142  1.0
  Na  Na2  1  0.861  0.549  0.142  1.0
  Na  Na3  1  0.361  0.951  0.858  1.0
  Na  Na4  1  0.185  0.602  0.607  1.0
  Na  Na5  1  0.685  0.898  0.393  1.0
  Na  Na6  1  0.815  0.398  0.393  1.0
  Na  Na7  1  0.315  0.102  0.607  1.0
  Na  Na8  1  0.839  0.234  0.601  1.0
  Na  Na9  1  0.339  0.266  0.399  1.0
  Na  Na10  1  0.161  0.766  0.399  1.0
  Na  Na11  1  0.661  0.734  0.601  1.0
  Na  Na12  1  0.928  0.770  0.905  1.0
  Na  Na13  1  0.428  0.730  0.095  1.0
  Na  Na14  1  0.072  0.230  0.095  1.0
  Na  Na15  1  0.572  0.270  0.905  1.0
  Ge  Ge16  1  0.687  0.511  0.879  1.0
  Ge  Ge17  1  0.187  0.989  0.121  1.0
  Ge  Ge18  1  0.313  0.489  0.121  1.0
  Ge  Ge19  1  0.813  0.011  0.879  1.0
  Ge  Ge20  1  0.791  0.524  0.676  1.0
  Ge  Ge21  1  0.291  0.976  0.324  1.0
  Ge  Ge22  1  0.209  0.476  0.324  1.0
  Ge  Ge23  1  0.709  0.024  0.676  1.0
  Ge  Ge24  1  0.470  0.404  0.679  1.0
  Ge  Ge25  1  0.970  0.096  0.321  1.0
  Ge  Ge26  1  0.530  0.596  0.321  1.0
  Ge  Ge27  1  0.030  0.904  0.679  1.0
  Ge  Ge28  1  0.486  0.655  0.805  1.0
  Ge  Ge29  1  0.986  0.845  0.195  1.0
  Ge  Ge30  1  0.514  0.345  0.195  1.0
  Ge  Ge31  1  0.014  0.155  0.805  1.0
[/CIF]
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The compound described by NaGe crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one Ge(2), one Ge(3), two equivalent Ge(1), and two equivalent Ge(4) atoms. In the second Na site, Na(2) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the third Na site, Na(3) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the fourth Na site, Na(4) is bonded in a 6-coordinate geometry to one Ge(2), two equivalent Ge(4), and three equivalent Ge(1) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Na(1), three equivalent Na(4), one Ge(2), one Ge(3), and one Ge(4) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one Na(1), one Na(4), two equivalent Na(2), two equivalent Na(3), one Ge(1), one Ge(3), and one Ge(4) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Na(1), two equivalent Na(2), two equivalent Na(3), one Ge(1), one Ge(2), and one Ge(4) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Na(2), one Na(3), two equivalent Na(1), two equivalent Na(4), one Ge(1), one Ge(2), and one Ge(3) atom. is represented by the CIF file [CIF]
data_NaGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.678
_cell_length_b   11.340
_cell_length_c   11.683
_cell_angle_alpha   115.751
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   796.938
_cell_formula_units_Z   16
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
  Na  Na0  1  0.139  0.451  0.858  1.0
  Na  Na1  1  0.639  0.049  0.142  1.0
  Na  Na2  1  0.861  0.549  0.142  1.0
  Na  Na3  1  0.361  0.951  0.858  1.0
  Na  Na4  1  0.185  0.602  0.607  1.0
  Na  Na5  1  0.685  0.898  0.393  1.0
  Na  Na6  1  0.815  0.398  0.393  1.0
  Na  Na7  1  0.315  0.102  0.607  1.0
  Na  Na8  1  0.839  0.234  0.601  1.0
  Na  Na9  1  0.339  0.266  0.399  1.0
  Na  Na10  1  0.161  0.766  0.399  1.0
  Na  Na11  1  0.661  0.734  0.601  1.0
  Na  Na12  1  0.928  0.770  0.905  1.0
  Na  Na13  1  0.428  0.730  0.095  1.0
  Na  Na14  1  0.072  0.230  0.095  1.0
  Na  Na15  1  0.572  0.270  0.905  1.0
  Ge  Ge16  1  0.687  0.511  0.879  1.0
  Ge  Ge17  1  0.187  0.989  0.121  1.0
  Ge  Ge18  1  0.313  0.489  0.121  1.0
  Ge  Ge19  1  0.813  0.011  0.879  1.0
  Ge  Ge20  1  0.791  0.524  0.676  1.0
  Ge  Ge21  1  0.291  0.976  0.324  1.0
  Ge  Ge22  1  0.209  0.476  0.324  1.0
  Ge  Ge23  1  0.709  0.024  0.676  1.0
  Ge  Ge24  1  0.470  0.404  0.679  1.0
  Ge  Ge25  1  0.970  0.096  0.321  1.0
  Ge  Ge26  1  0.530  0.596  0.321  1.0
  Ge  Ge27  1  0.030  0.904  0.679  1.0
  Ge  Ge28  1  0.486  0.655  0.805  1.0
  Ge  Ge29  1  0.986  0.845  0.195  1.0
  Ge  Ge30  1  0.514  0.345  0.195  1.0
  Ge  Ge31  1  0.014  0.155  0.805  1.0
[/CIF]
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