The structure described by NaCd2(GeO3)3 is Esseneite-like structured and crystallizes in the triclinic P-1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(3), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(2), one O(5), one O(6), one O(7), and two equivalent O(1) atoms to form CdO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra,  an edgeedge with one Cd(1)O6 octahedra, and edges with three equivalent Cd(2)O6 octahedra. In the second Cd site, Cd(2) is bonded to one O(1), one O(5), one O(6), one O(8), and two equivalent O(2) atoms to form CdO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, corners with three equivalent Ge(2)O4 tetrahedra,  an edgeedge with one Cd(2)O6 octahedra, and edges with three equivalent Cd(1)O6 octahedra. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(3), one O(7), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Cd(2)O6 octahedra, corners with three equivalent Cd(1)O6 octahedra,  a cornercorner with one Ge(2)O4 tetrahedra, and  a cornercorner with one Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 44-65°. In the second Ge site, Ge(2) is bonded to one O(2), one O(4), one O(8), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Cd(1)O6 octahedra, corners with three equivalent Cd(2)O6 octahedra,  a cornercorner with one Ge(1)O4 tetrahedra, and  a cornercorner with one Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 44-65°. In the third Ge site, Ge(3) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form GeO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra, corners with two equivalent Cd(2)O6 octahedra,  a cornercorner with one Ge(1)O4 tetrahedra, and  a cornercorner with one Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-59°. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Cd(2), two equivalent Cd(1), and one Ge(1) atom to form distorted OCd3Ge tetrahedra that share corners with two equivalent O(2)Cd3Ge tetrahedra,  a cornercorner with one O(6)NaCd2Ge trigonal pyramid,  an edgeedge with one O(1)Cd3Ge tetrahedra,  an edgeedge with one O(2)Cd3Ge tetrahedra, and  an edgeedge with one O(6)NaCd2Ge trigonal pyramid. In the second O site, O(2) is bonded to one Cd(1), two equivalent Cd(2), and one Ge(2) atom to form distorted OCd3Ge tetrahedra that share corners with two equivalent O(1)Cd3Ge tetrahedra, corners with three equivalent O(6)NaCd2Ge trigonal pyramids,  an edgeedge with one O(1)Cd3Ge tetrahedra, and  an edgeedge with one O(2)Cd3Ge tetrahedra. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Ge(1), and one Ge(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Ge(2), and one Ge(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Cd(1), one Cd(2), and one Ge(3) atom. In the sixth O site, O(6) is bonded to one Na(1), one Cd(1), one Cd(2), and one Ge(3) atom to form a mixture of distorted edge and corner-sharing ONaCd2Ge trigonal pyramids. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Cd(1), and one Ge(1) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Na(1), one Cd(2), and one Ge(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Ge(1), and one Ge(2) atom. is represented by the CIF file [CIF]
data_NaCd2(GeO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.142
_cell_length_b   7.194
_cell_length_c   7.257
_cell_angle_alpha   90.216
_cell_angle_beta   93.955
_cell_angle_gamma   102.699
_symmetry_Int_Tables_number   1
_cell_volume   413.601
_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  0.561  0.262  0.352  1.0
  Na  Na1  1  0.439  0.738  0.648  1.0
  Cd  Cd2  1  0.853  0.589  0.141  1.0
  Cd  Cd3  1  0.147  0.411  0.859  1.0
  Cd  Cd4  1  0.852  0.090  0.133  1.0
  Cd  Cd5  1  0.148  0.910  0.867  1.0
  Ge  Ge6  1  0.790  0.592  0.653  1.0
  Ge  Ge7  1  0.210  0.408  0.347  1.0
  Ge  Ge8  1  0.793  0.053  0.648  1.0
  Ge  Ge9  1  0.207  0.947  0.352  1.0
  Ge  Ge10  1  0.541  0.261  0.858  1.0
  Ge  Ge11  1  0.459  0.739  0.142  1.0
  O  O12  1  0.941  0.611  0.840  1.0
  O  O13  1  0.059  0.389  0.160  1.0
  O  O14  1  0.951  0.108  0.831  1.0
  O  O15  1  0.049  0.892  0.169  1.0
  O  O16  1  0.585  0.471  0.719  1.0
  O  O17  1  0.415  0.529  0.281  1.0
  O  O18  1  0.589  0.080  0.710  1.0
  O  O19  1  0.411  0.920  0.290  1.0
  O  O20  1  0.674  0.795  0.104  1.0
  O  O21  1  0.326  0.205  0.896  1.0
  O  O22  1  0.676  0.292  0.061  1.0
  O  O23  1  0.324  0.708  0.939  1.0
  O  O24  1  0.814  0.486  0.438  1.0
  O  O25  1  0.186  0.514  0.562  1.0
  O  O26  1  0.843  0.174  0.441  1.0
  O  O27  1  0.157  0.826  0.559  1.0
  O  O28  1  0.734  0.808  0.583  1.0
  O  O29  1  0.266  0.192  0.417  1.0
[/CIF]
.
The structure described by NaCd2(GeO3)3 is Esseneite-like structured and crystallizes in the triclinic P-1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(3), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(2), one O(5), one O(6), one O(7), and two equivalent O(1) atoms to form CdO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra,  an edgeedge with one Cd(1)O6 octahedra, and edges with three equivalent Cd(2)O6 octahedra. In the second Cd site, Cd(2) is bonded to one O(1), one O(5), one O(6), one O(8), and two equivalent O(2) atoms to form CdO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, corners with three equivalent Ge(2)O4 tetrahedra,  an edgeedge with one Cd(2)O6 octahedra, and edges with three equivalent Cd(1)O6 octahedra. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(3), one O(7), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Cd(2)O6 octahedra, corners with three equivalent Cd(1)O6 octahedra,  a cornercorner with one Ge(2)O4 tetrahedra, and  a cornercorner with one Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 44-65°. In the second Ge site, Ge(2) is bonded to one O(2), one O(4), one O(8), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Cd(1)O6 octahedra, corners with three equivalent Cd(2)O6 octahedra,  a cornercorner with one Ge(1)O4 tetrahedra, and  a cornercorner with one Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 44-65°. In the third Ge site, Ge(3) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form GeO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra, corners with two equivalent Cd(2)O6 octahedra,  a cornercorner with one Ge(1)O4 tetrahedra, and  a cornercorner with one Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-59°. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Cd(2), two equivalent Cd(1), and one Ge(1) atom to form distorted OCd3Ge tetrahedra that share corners with two equivalent O(2)Cd3Ge tetrahedra,  a cornercorner with one O(6)NaCd2Ge trigonal pyramid,  an edgeedge with one O(1)Cd3Ge tetrahedra,  an edgeedge with one O(2)Cd3Ge tetrahedra, and  an edgeedge with one O(6)NaCd2Ge trigonal pyramid. In the second O site, O(2) is bonded to one Cd(1), two equivalent Cd(2), and one Ge(2) atom to form distorted OCd3Ge tetrahedra that share corners with two equivalent O(1)Cd3Ge tetrahedra, corners with three equivalent O(6)NaCd2Ge trigonal pyramids,  an edgeedge with one O(1)Cd3Ge tetrahedra, and  an edgeedge with one O(2)Cd3Ge tetrahedra. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Ge(1), and one Ge(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Ge(2), and one Ge(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Cd(1), one Cd(2), and one Ge(3) atom. In the sixth O site, O(6) is bonded to one Na(1), one Cd(1), one Cd(2), and one Ge(3) atom to form a mixture of distorted edge and corner-sharing ONaCd2Ge trigonal pyramids. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Cd(1), and one Ge(1) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Na(1), one Cd(2), and one Ge(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Ge(1), and one Ge(2) atom. is represented by the CIF file [CIF]
data_NaCd2(GeO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.142
_cell_length_b   7.194
_cell_length_c   7.257
_cell_angle_alpha   90.216
_cell_angle_beta   93.955
_cell_angle_gamma   102.699
_symmetry_Int_Tables_number   1
_cell_volume   413.601
_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  0.561  0.262  0.352  1.0
  Na  Na1  1  0.439  0.738  0.648  1.0
  Cd  Cd2  1  0.853  0.589  0.141  1.0
  Cd  Cd3  1  0.147  0.411  0.859  1.0
  Cd  Cd4  1  0.852  0.090  0.133  1.0
  Cd  Cd5  1  0.148  0.910  0.867  1.0
  Ge  Ge6  1  0.790  0.592  0.653  1.0
  Ge  Ge7  1  0.210  0.408  0.347  1.0
  Ge  Ge8  1  0.793  0.053  0.648  1.0
  Ge  Ge9  1  0.207  0.947  0.352  1.0
  Ge  Ge10  1  0.541  0.261  0.858  1.0
  Ge  Ge11  1  0.459  0.739  0.142  1.0
  O  O12  1  0.941  0.611  0.840  1.0
  O  O13  1  0.059  0.389  0.160  1.0
  O  O14  1  0.951  0.108  0.831  1.0
  O  O15  1  0.049  0.892  0.169  1.0
  O  O16  1  0.585  0.471  0.719  1.0
  O  O17  1  0.415  0.529  0.281  1.0
  O  O18  1  0.589  0.080  0.710  1.0
  O  O19  1  0.411  0.920  0.290  1.0
  O  O20  1  0.674  0.795  0.104  1.0
  O  O21  1  0.326  0.205  0.896  1.0
  O  O22  1  0.676  0.292  0.061  1.0
  O  O23  1  0.324  0.708  0.939  1.0
  O  O24  1  0.814  0.486  0.438  1.0
  O  O25  1  0.186  0.514  0.562  1.0
  O  O26  1  0.843  0.174  0.441  1.0
  O  O27  1  0.157  0.826  0.559  1.0
  O  O28  1  0.734  0.808  0.583  1.0
  O  O29  1  0.266  0.192  0.417  1.0
[/CIF]
.