The structure described by Rb7NaZn2O6 crystallizes in the triclinic P-1 space group. There are seven inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to one O(4), one O(6), and two equivalent O(2) atoms to form distorted RbO4 tetrahedra that share corners with two equivalent Na(1)O4 tetrahedra and  an edgeedge with one Rb(1)O4 tetrahedra. In the second Rb site, Rb(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(6), and two equivalent O(5) atoms. In the third Rb site, Rb(3) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(5) atom. In the fourth Rb site, Rb(4) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the fifth Rb site, Rb(5) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), and two equivalent O(4) atoms. In the sixth Rb site, Rb(6) is bonded in a 3-coordinate geometry to one O(1), one O(3), and one O(6) atom. In the seventh Rb site, Rb(7) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(4), and one O(5) atom. Na(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form distorted NaO4 tetrahedra that share corners with two equivalent Rb(1)O4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a trigonal planar geometry to one O(2), one O(4), and one O(6) atom. In the second Zn site, Zn(2) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 7-coordinate geometry to one Rb(2), one Rb(3), one Rb(5), one Rb(6), one Rb(7), one Na(1), and one Zn(2) atom. In the second O site, O(2) is bonded in a 7-coordinate geometry to one Rb(3), one Rb(4), one Rb(5), one Rb(7), two equivalent Rb(1), and one Zn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Rb(2), one Rb(3), one Rb(4), one Rb(6), one Na(1), and one Zn(2) atom. In the fourth O site, O(4) is bonded in a 7-coordinate geometry to one Rb(1), one Rb(4), one Rb(7), two equivalent Rb(5), one Na(1), and one Zn(1) atom. In the fifth O site, O(5) is bonded in a 7-coordinate geometry to one Rb(3), one Rb(4), one Rb(5), one Rb(7), two equivalent Rb(2), and one Zn(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Rb(1), one Rb(2), one Rb(4), one Rb(6), one Na(1), and one Zn(1) atom. is represented by the CIF file [CIF]
data_Rb7NaZn2O6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.209
_cell_length_b   9.597
_cell_length_c   11.443
_cell_angle_alpha   105.948
_cell_angle_beta   91.996
_cell_angle_gamma   108.732
_symmetry_Int_Tables_number   1
_cell_volume   714.289
_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
  Rb  Rb0  1  0.952  0.665  0.593  1.0
  Rb  Rb1  1  0.564  0.339  0.019  1.0
  Rb  Rb2  1  0.035  0.516  0.188  1.0
  Rb  Rb3  1  0.476  0.484  0.687  1.0
  Rb  Rb4  1  0.436  0.661  0.981  1.0
  Rb  Rb5  1  0.048  0.335  0.407  1.0
  Rb  Rb6  1  0.524  0.516  0.313  1.0
  Rb  Rb7  1  0.029  0.868  0.365  1.0
  Rb  Rb8  1  0.207  0.929  0.908  1.0
  Rb  Rb9  1  0.489  0.123  0.684  1.0
  Rb  Rb10  1  0.793  0.071  0.092  1.0
  Rb  Rb11  1  0.511  0.877  0.316  1.0
  Rb  Rb12  1  0.965  0.484  0.812  1.0
  Rb  Rb13  1  0.971  0.132  0.635  1.0
  Na  Na14  1  0.307  0.115  0.215  1.0
  Na  Na15  1  0.693  0.885  0.785  1.0
  Zn  Zn16  1  0.581  0.254  0.438  1.0
  Zn  Zn17  1  0.419  0.746  0.562  1.0
  Zn  Zn18  1  0.093  0.248  0.941  1.0
  Zn  Zn19  1  0.907  0.752  0.059  1.0
  O  O20  1  0.187  0.826  0.120  1.0
  O  O21  1  0.229  0.664  0.416  1.0
  O  O22  1  0.186  0.256  0.105  1.0
  O  O23  1  0.771  0.336  0.584  1.0
  O  O24  1  0.300  0.173  0.444  1.0
  O  O25  1  0.719  0.681  0.164  1.0
  O  O26  1  0.814  0.744  0.895  1.0
  O  O27  1  0.657  0.249  0.276  1.0
  O  O28  1  0.813  0.174  0.880  1.0
  O  O29  1  0.343  0.751  0.724  1.0
  O  O30  1  0.281  0.319  0.836  1.0
  O  O31  1  0.700  0.827  0.556  1.0
[/CIF]
.
The structure described by Rb7NaZn2O6 crystallizes in the triclinic P-1 space group. There are seven inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to one O(4), one O(6), and two equivalent O(2) atoms to form distorted RbO4 tetrahedra that share corners with two equivalent Na(1)O4 tetrahedra and  an edgeedge with one Rb(1)O4 tetrahedra. In the second Rb site, Rb(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(6), and two equivalent O(5) atoms. In the third Rb site, Rb(3) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(5) atom. In the fourth Rb site, Rb(4) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the fifth Rb site, Rb(5) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), and two equivalent O(4) atoms. In the sixth Rb site, Rb(6) is bonded in a 3-coordinate geometry to one O(1), one O(3), and one O(6) atom. In the seventh Rb site, Rb(7) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(4), and one O(5) atom. Na(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form distorted NaO4 tetrahedra that share corners with two equivalent Rb(1)O4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a trigonal planar geometry to one O(2), one O(4), and one O(6) atom. In the second Zn site, Zn(2) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 7-coordinate geometry to one Rb(2), one Rb(3), one Rb(5), one Rb(6), one Rb(7), one Na(1), and one Zn(2) atom. In the second O site, O(2) is bonded in a 7-coordinate geometry to one Rb(3), one Rb(4), one Rb(5), one Rb(7), two equivalent Rb(1), and one Zn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Rb(2), one Rb(3), one Rb(4), one Rb(6), one Na(1), and one Zn(2) atom. In the fourth O site, O(4) is bonded in a 7-coordinate geometry to one Rb(1), one Rb(4), one Rb(7), two equivalent Rb(5), one Na(1), and one Zn(1) atom. In the fifth O site, O(5) is bonded in a 7-coordinate geometry to one Rb(3), one Rb(4), one Rb(5), one Rb(7), two equivalent Rb(2), and one Zn(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Rb(1), one Rb(2), one Rb(4), one Rb(6), one Na(1), and one Zn(1) atom. is represented by the CIF file [CIF]
data_Rb7NaZn2O6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.209
_cell_length_b   9.597
_cell_length_c   11.443
_cell_angle_alpha   105.948
_cell_angle_beta   91.996
_cell_angle_gamma   108.732
_symmetry_Int_Tables_number   1
_cell_volume   714.289
_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
  Rb  Rb0  1  0.952  0.665  0.593  1.0
  Rb  Rb1  1  0.564  0.339  0.019  1.0
  Rb  Rb2  1  0.035  0.516  0.188  1.0
  Rb  Rb3  1  0.476  0.484  0.687  1.0
  Rb  Rb4  1  0.436  0.661  0.981  1.0
  Rb  Rb5  1  0.048  0.335  0.407  1.0
  Rb  Rb6  1  0.524  0.516  0.313  1.0
  Rb  Rb7  1  0.029  0.868  0.365  1.0
  Rb  Rb8  1  0.207  0.929  0.908  1.0
  Rb  Rb9  1  0.489  0.123  0.684  1.0
  Rb  Rb10  1  0.793  0.071  0.092  1.0
  Rb  Rb11  1  0.511  0.877  0.316  1.0
  Rb  Rb12  1  0.965  0.484  0.812  1.0
  Rb  Rb13  1  0.971  0.132  0.635  1.0
  Na  Na14  1  0.307  0.115  0.215  1.0
  Na  Na15  1  0.693  0.885  0.785  1.0
  Zn  Zn16  1  0.581  0.254  0.438  1.0
  Zn  Zn17  1  0.419  0.746  0.562  1.0
  Zn  Zn18  1  0.093  0.248  0.941  1.0
  Zn  Zn19  1  0.907  0.752  0.059  1.0
  O  O20  1  0.187  0.826  0.120  1.0
  O  O21  1  0.229  0.664  0.416  1.0
  O  O22  1  0.186  0.256  0.105  1.0
  O  O23  1  0.771  0.336  0.584  1.0
  O  O24  1  0.300  0.173  0.444  1.0
  O  O25  1  0.719  0.681  0.164  1.0
  O  O26  1  0.814  0.744  0.895  1.0
  O  O27  1  0.657  0.249  0.276  1.0
  O  O28  1  0.813  0.174  0.880  1.0
  O  O29  1  0.343  0.751  0.724  1.0
  O  O30  1  0.281  0.319  0.836  1.0
  O  O31  1  0.700  0.827  0.556  1.0
[/CIF]
.