The crystal structure described by NaGdGeO4 is Hausmannite-derived structured and crystallizes in the orthorhombic Pnma space group. Na(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NaO6 octahedra that share corners with four equivalent Gd(1)O6 octahedra, corners with two equivalent Ge(1)O4 tetrahedra, edges with two equivalent Na(1)O6 octahedra, edges with two equivalent Gd(1)O6 octahedra, and edges with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 61-67°. Gd(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form GdO6 octahedra that share corners with four equivalent Na(1)O6 octahedra, corners with four equivalent Gd(1)O6 octahedra, corners with four equivalent Ge(1)O4 tetrahedra, edges with two equivalent Na(1)O6 octahedra, and  an edgeedge with one Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-67°. Ge(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form GeO4 tetrahedra that share corners with two equivalent Na(1)O6 octahedra, corners with four equivalent Gd(1)O6 octahedra,  an edgeedge with one Gd(1)O6 octahedra, and edges with two equivalent Na(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-62°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Na(1), two equivalent Gd(1), and one Ge(1) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to two equivalent Na(1), one Gd(1), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na(1), one Gd(1), and one Ge(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_NaGdGeO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.361
_cell_length_b   6.603
_cell_length_c   11.639
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   411.976
_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
  Na  Na0  1  0.000  0.000  0.000  1.0
  Na  Na1  1  0.000  0.500  0.000  1.0
  Na  Na2  1  0.500  0.000  0.500  1.0
  Na  Na3  1  0.500  0.500  0.500  1.0
  Gd  Gd4  1  0.002  0.750  0.278  1.0
  Gd  Gd5  1  0.998  0.250  0.722  1.0
  Gd  Gd6  1  0.498  0.750  0.778  1.0
  Gd  Gd7  1  0.502  0.250  0.222  1.0
  Ge  Ge8  1  0.943  0.250  0.404  1.0
  Ge  Ge9  1  0.557  0.250  0.904  1.0
  Ge  Ge10  1  0.057  0.750  0.596  1.0
  Ge  Ge11  1  0.443  0.750  0.096  1.0
  O  O12  1  0.792  0.456  0.328  1.0
  O  O13  1  0.292  0.544  0.172  1.0
  O  O14  1  0.208  0.956  0.672  1.0
  O  O15  1  0.708  0.044  0.828  1.0
  O  O16  1  0.208  0.544  0.672  1.0
  O  O17  1  0.708  0.456  0.828  1.0
  O  O18  1  0.792  0.044  0.328  1.0
  O  O19  1  0.292  0.956  0.172  1.0
  O  O20  1  0.178  0.750  0.455  1.0
  O  O21  1  0.678  0.250  0.045  1.0
  O  O22  1  0.822  0.250  0.545  1.0
  O  O23  1  0.322  0.750  0.955  1.0
  O  O24  1  0.732  0.750  0.609  1.0
  O  O25  1  0.232  0.250  0.891  1.0
  O  O26  1  0.268  0.250  0.391  1.0
  O  O27  1  0.768  0.750  0.109  1.0
[/CIF]
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The crystal structure described by NaGdGeO4 is Hausmannite-derived structured and crystallizes in the orthorhombic Pnma space group. Na(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NaO6 octahedra that share corners with four equivalent Gd(1)O6 octahedra, corners with two equivalent Ge(1)O4 tetrahedra, edges with two equivalent Na(1)O6 octahedra, edges with two equivalent Gd(1)O6 octahedra, and edges with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 61-67°. Gd(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form GdO6 octahedra that share corners with four equivalent Na(1)O6 octahedra, corners with four equivalent Gd(1)O6 octahedra, corners with four equivalent Ge(1)O4 tetrahedra, edges with two equivalent Na(1)O6 octahedra, and  an edgeedge with one Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-67°. Ge(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form GeO4 tetrahedra that share corners with two equivalent Na(1)O6 octahedra, corners with four equivalent Gd(1)O6 octahedra,  an edgeedge with one Gd(1)O6 octahedra, and edges with two equivalent Na(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-62°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Na(1), two equivalent Gd(1), and one Ge(1) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to two equivalent Na(1), one Gd(1), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na(1), one Gd(1), and one Ge(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_NaGdGeO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.361
_cell_length_b   6.603
_cell_length_c   11.639
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   411.976
_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
  Na  Na0  1  0.000  0.000  0.000  1.0
  Na  Na1  1  0.000  0.500  0.000  1.0
  Na  Na2  1  0.500  0.000  0.500  1.0
  Na  Na3  1  0.500  0.500  0.500  1.0
  Gd  Gd4  1  0.002  0.750  0.278  1.0
  Gd  Gd5  1  0.998  0.250  0.722  1.0
  Gd  Gd6  1  0.498  0.750  0.778  1.0
  Gd  Gd7  1  0.502  0.250  0.222  1.0
  Ge  Ge8  1  0.943  0.250  0.404  1.0
  Ge  Ge9  1  0.557  0.250  0.904  1.0
  Ge  Ge10  1  0.057  0.750  0.596  1.0
  Ge  Ge11  1  0.443  0.750  0.096  1.0
  O  O12  1  0.792  0.456  0.328  1.0
  O  O13  1  0.292  0.544  0.172  1.0
  O  O14  1  0.208  0.956  0.672  1.0
  O  O15  1  0.708  0.044  0.828  1.0
  O  O16  1  0.208  0.544  0.672  1.0
  O  O17  1  0.708  0.456  0.828  1.0
  O  O18  1  0.792  0.044  0.328  1.0
  O  O19  1  0.292  0.956  0.172  1.0
  O  O20  1  0.178  0.750  0.455  1.0
  O  O21  1  0.678  0.250  0.045  1.0
  O  O22  1  0.822  0.250  0.545  1.0
  O  O23  1  0.322  0.750  0.955  1.0
  O  O24  1  0.732  0.750  0.609  1.0
  O  O25  1  0.232  0.250  0.891  1.0
  O  O26  1  0.268  0.250  0.391  1.0
  O  O27  1  0.768  0.750  0.109  1.0
[/CIF]
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