The crystal structure described by Na2GeO3 crystallizes in the orthorhombic Cmc2_1 space group. Na(1) is bonded to one O(1) and four equivalent O(2) atoms to form distorted NaO5 trigonal bipyramids that share corners with four equivalent Ge(1)O4 tetrahedra, corners with five equivalent Na(1)O5 trigonal bipyramids,  an edgeedge with one Ge(1)O4 tetrahedra, and edges with four equivalent Na(1)O5 trigonal bipyramids. Ge(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form GeO4 tetrahedra that share corners with two equivalent Ge(1)O4 tetrahedra, corners with eight equivalent Na(1)O5 trigonal bipyramids, and edges with two equivalent Na(1)O5 trigonal bipyramids. There are two inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Na(1) and two equivalent Ge(1) atoms to form distorted ONa2Ge2 trigonal pyramids that share corners with eight equivalent O(2)Na4Ge trigonal bipyramids, corners with two equivalent O(1)Na2Ge2 trigonal pyramids, and edges with two equivalent O(2)Na4Ge trigonal bipyramids. In the second O site, O(2) is bonded to four equivalent Na(1) and one Ge(1) atom to form distorted ONa4Ge trigonal bipyramids that share corners with five equivalent O(2)Na4Ge trigonal bipyramids, corners with four equivalent O(1)Na2Ge2 trigonal pyramids, edges with four equivalent O(2)Na4Ge trigonal bipyramids, and  an edgeedge with one O(1)Na2Ge2 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2GeO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.864
_cell_length_b   6.207
_cell_length_c   6.249
_cell_angle_alpha   119.777
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   163.738
_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
  Na  Na0  1  0.497  0.506  0.336  1.0
  Na  Na1  1  0.497  0.171  0.664  1.0
  Na  Na2  1  0.997  0.494  0.664  1.0
  Na  Na3  1  0.997  0.829  0.336  1.0
  Ge  Ge4  1  0.536  0.835  0.000  1.0
  Ge  Ge5  1  0.036  0.165  0.000  1.0
  O  O6  1  0.404  0.106  0.000  1.0
  O  O7  1  0.904  0.894  0.000  1.0
  O  O8  1  0.475  0.566  0.726  1.0
  O  O9  1  0.975  0.434  0.274  1.0
  O  O10  1  0.475  0.840  0.274  1.0
  O  O11  1  0.975  0.160  0.726  1.0
[/CIF]
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The crystal structure described by Na2GeO3 crystallizes in the orthorhombic Cmc2_1 space group. Na(1) is bonded to one O(1) and four equivalent O(2) atoms to form distorted NaO5 trigonal bipyramids that share corners with four equivalent Ge(1)O4 tetrahedra, corners with five equivalent Na(1)O5 trigonal bipyramids,  an edgeedge with one Ge(1)O4 tetrahedra, and edges with four equivalent Na(1)O5 trigonal bipyramids. Ge(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form GeO4 tetrahedra that share corners with two equivalent Ge(1)O4 tetrahedra, corners with eight equivalent Na(1)O5 trigonal bipyramids, and edges with two equivalent Na(1)O5 trigonal bipyramids. There are two inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Na(1) and two equivalent Ge(1) atoms to form distorted ONa2Ge2 trigonal pyramids that share corners with eight equivalent O(2)Na4Ge trigonal bipyramids, corners with two equivalent O(1)Na2Ge2 trigonal pyramids, and edges with two equivalent O(2)Na4Ge trigonal bipyramids. In the second O site, O(2) is bonded to four equivalent Na(1) and one Ge(1) atom to form distorted ONa4Ge trigonal bipyramids that share corners with five equivalent O(2)Na4Ge trigonal bipyramids, corners with four equivalent O(1)Na2Ge2 trigonal pyramids, edges with four equivalent O(2)Na4Ge trigonal bipyramids, and  an edgeedge with one O(1)Na2Ge2 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2GeO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.864
_cell_length_b   6.207
_cell_length_c   6.249
_cell_angle_alpha   119.777
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   163.738
_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
  Na  Na0  1  0.497  0.506  0.336  1.0
  Na  Na1  1  0.497  0.171  0.664  1.0
  Na  Na2  1  0.997  0.494  0.664  1.0
  Na  Na3  1  0.997  0.829  0.336  1.0
  Ge  Ge4  1  0.536  0.835  0.000  1.0
  Ge  Ge5  1  0.036  0.165  0.000  1.0
  O  O6  1  0.404  0.106  0.000  1.0
  O  O7  1  0.904  0.894  0.000  1.0
  O  O8  1  0.475  0.566  0.726  1.0
  O  O9  1  0.975  0.434  0.274  1.0
  O  O10  1  0.475  0.840  0.274  1.0
  O  O11  1  0.975  0.160  0.726  1.0
[/CIF]
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