The crystal structure described by Nd2GeO5 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 7-coordinate geometry to one O(4), three equivalent O(1), and three equivalent O(3) atoms. In the second Nd site, Nd(2) is bonded in a 8-coordinate geometry to one O(1), two equivalent O(4), two equivalent O(5), and three equivalent O(2) atoms. Ge(1) is bonded in a distorted T-shaped geometry to one O(3), one O(4), and one O(5) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Nd(2) and three equivalent Nd(1) atoms to form ONd4 tetrahedra that share  a cornercorner with one O(4)Nd3Ge tetrahedra, corners with four equivalent O(1)Nd4 tetrahedra, corners with five equivalent O(3)Nd3Ge tetrahedra,  an edgeedge with one O(1)Nd4 tetrahedra, edges with two equivalent O(3)Nd3Ge tetrahedra, and edges with two equivalent O(4)Nd3Ge tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to three equivalent Nd(2) and one O(5) atom. In the third O site, O(3) is bonded to three equivalent Nd(1) and one Ge(1) atom to form distorted ONd3Ge tetrahedra that share corners with two equivalent O(4)Nd3Ge tetrahedra, corners with four equivalent O(3)Nd3Ge tetrahedra, corners with five equivalent O(1)Nd4 tetrahedra,  an edgeedge with one O(3)Nd3Ge tetrahedra,  an edgeedge with one O(4)Nd3Ge tetrahedra, and edges with two equivalent O(1)Nd4 tetrahedra. In the fourth O site, O(4) is bonded to one Nd(1), two equivalent Nd(2), and one Ge(1) atom to form distorted ONd3Ge tetrahedra that share  a cornercorner with one O(1)Nd4 tetrahedra, corners with two equivalent O(3)Nd3Ge tetrahedra, corners with two equivalent O(4)Nd3Ge tetrahedra,  an edgeedge with one O(3)Nd3Ge tetrahedra, and edges with two equivalent O(1)Nd4 tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Nd(2), one Ge(1), and one O(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Nd2GeO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.330
_cell_length_b   7.055
_cell_length_c   10.177
_cell_angle_alpha   72.369
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   501.597
_cell_formula_units_Z   4
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
  Nd  Nd0  1  0.119  0.744  0.469  1.0
  Nd  Nd1  1  0.619  0.756  0.531  1.0
  Nd  Nd2  1  0.881  0.256  0.531  1.0
  Nd  Nd3  1  0.381  0.244  0.469  1.0
  Nd  Nd4  1  0.650  0.922  0.850  1.0
  Nd  Nd5  1  0.150  0.578  0.150  1.0
  Nd  Nd6  1  0.350  0.078  0.150  1.0
  Nd  Nd7  1  0.850  0.422  0.850  1.0
  Ge  Ge8  1  0.133  0.982  0.791  1.0
  Ge  Ge9  1  0.633  0.518  0.209  1.0
  Ge  Ge10  1  0.867  0.018  0.209  1.0
  Ge  Ge11  1  0.367  0.482  0.791  1.0
  O  O12  1  0.883  0.547  0.610  1.0
  O  O13  1  0.383  0.953  0.390  1.0
  O  O14  1  0.117  0.453  0.390  1.0
  O  O15  1  0.617  0.047  0.610  1.0
  O  O16  1  0.389  0.814  0.028  1.0
  O  O17  1  0.889  0.686  0.972  1.0
  O  O18  1  0.611  0.186  0.972  1.0
  O  O19  1  0.111  0.314  0.028  1.0
  O  O20  1  0.141  0.023  0.601  1.0
  O  O21  1  0.641  0.477  0.399  1.0
  O  O22  1  0.859  0.977  0.399  1.0
  O  O23  1  0.359  0.523  0.601  1.0
  O  O24  1  0.578  0.639  0.783  1.0
  O  O25  1  0.078  0.861  0.217  1.0
  O  O26  1  0.422  0.361  0.217  1.0
  O  O27  1  0.922  0.139  0.783  1.0
  O  O28  1  0.540  0.251  0.823  1.0
  O  O29  1  0.040  0.249  0.177  1.0
  O  O30  1  0.460  0.749  0.177  1.0
  O  O31  1  0.960  0.751  0.823  1.0
[/CIF]
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The crystal structure described by Nd2GeO5 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 7-coordinate geometry to one O(4), three equivalent O(1), and three equivalent O(3) atoms. In the second Nd site, Nd(2) is bonded in a 8-coordinate geometry to one O(1), two equivalent O(4), two equivalent O(5), and three equivalent O(2) atoms. Ge(1) is bonded in a distorted T-shaped geometry to one O(3), one O(4), and one O(5) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Nd(2) and three equivalent Nd(1) atoms to form ONd4 tetrahedra that share  a cornercorner with one O(4)Nd3Ge tetrahedra, corners with four equivalent O(1)Nd4 tetrahedra, corners with five equivalent O(3)Nd3Ge tetrahedra,  an edgeedge with one O(1)Nd4 tetrahedra, edges with two equivalent O(3)Nd3Ge tetrahedra, and edges with two equivalent O(4)Nd3Ge tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to three equivalent Nd(2) and one O(5) atom. In the third O site, O(3) is bonded to three equivalent Nd(1) and one Ge(1) atom to form distorted ONd3Ge tetrahedra that share corners with two equivalent O(4)Nd3Ge tetrahedra, corners with four equivalent O(3)Nd3Ge tetrahedra, corners with five equivalent O(1)Nd4 tetrahedra,  an edgeedge with one O(3)Nd3Ge tetrahedra,  an edgeedge with one O(4)Nd3Ge tetrahedra, and edges with two equivalent O(1)Nd4 tetrahedra. In the fourth O site, O(4) is bonded to one Nd(1), two equivalent Nd(2), and one Ge(1) atom to form distorted ONd3Ge tetrahedra that share  a cornercorner with one O(1)Nd4 tetrahedra, corners with two equivalent O(3)Nd3Ge tetrahedra, corners with two equivalent O(4)Nd3Ge tetrahedra,  an edgeedge with one O(3)Nd3Ge tetrahedra, and edges with two equivalent O(1)Nd4 tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Nd(2), one Ge(1), and one O(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Nd2GeO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.330
_cell_length_b   7.055
_cell_length_c   10.177
_cell_angle_alpha   72.369
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   501.597
_cell_formula_units_Z   4
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
  Nd  Nd0  1  0.119  0.744  0.469  1.0
  Nd  Nd1  1  0.619  0.756  0.531  1.0
  Nd  Nd2  1  0.881  0.256  0.531  1.0
  Nd  Nd3  1  0.381  0.244  0.469  1.0
  Nd  Nd4  1  0.650  0.922  0.850  1.0
  Nd  Nd5  1  0.150  0.578  0.150  1.0
  Nd  Nd6  1  0.350  0.078  0.150  1.0
  Nd  Nd7  1  0.850  0.422  0.850  1.0
  Ge  Ge8  1  0.133  0.982  0.791  1.0
  Ge  Ge9  1  0.633  0.518  0.209  1.0
  Ge  Ge10  1  0.867  0.018  0.209  1.0
  Ge  Ge11  1  0.367  0.482  0.791  1.0
  O  O12  1  0.883  0.547  0.610  1.0
  O  O13  1  0.383  0.953  0.390  1.0
  O  O14  1  0.117  0.453  0.390  1.0
  O  O15  1  0.617  0.047  0.610  1.0
  O  O16  1  0.389  0.814  0.028  1.0
  O  O17  1  0.889  0.686  0.972  1.0
  O  O18  1  0.611  0.186  0.972  1.0
  O  O19  1  0.111  0.314  0.028  1.0
  O  O20  1  0.141  0.023  0.601  1.0
  O  O21  1  0.641  0.477  0.399  1.0
  O  O22  1  0.859  0.977  0.399  1.0
  O  O23  1  0.359  0.523  0.601  1.0
  O  O24  1  0.578  0.639  0.783  1.0
  O  O25  1  0.078  0.861  0.217  1.0
  O  O26  1  0.422  0.361  0.217  1.0
  O  O27  1  0.922  0.139  0.783  1.0
  O  O28  1  0.540  0.251  0.823  1.0
  O  O29  1  0.040  0.249  0.177  1.0
  O  O30  1  0.460  0.749  0.177  1.0
  O  O31  1  0.960  0.751  0.823  1.0
[/CIF]
.