The crystal structure described by Na4CdZn(SiO3)4 crystallizes in the monoclinic C2 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(5), and one O(6) atom. In the second Na site, Na(2) 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. Cd(1) is bonded to two equivalent O(2) and two equivalent O(6) atoms to form CdO4 tetrahedra that share corners with four equivalent Si(2)O4 tetrahedra. Zn(1) is bonded to two equivalent O(1) and two equivalent O(5) atoms to form ZnO4 tetrahedra that share corners with four equivalent Si(1)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form SiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra and corners with two equivalent Si(2)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form SiO4 tetrahedra that share corners with two equivalent Cd(1)O4 tetrahedra and corners with two equivalent Si(1)O4 tetrahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Zn(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Cd(1), and one Si(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Si(1), and one Si(2) atom. In the fourth O site, O(4) is bonded to one Na(1), one Na(2), one Si(1), and one Si(2) atom to form distorted ONa2Si2 trigonal pyramids that share  a cornercorner with one O(5)Na2ZnSi trigonal pyramid, corners with three equivalent O(6)Na2CdSi trigonal pyramids, and  an edgeedge with one O(5)Na2ZnSi trigonal pyramid. In the fifth O site, O(5) is bonded to one Na(1), one Na(2), one Zn(1), and one Si(1) atom to form distorted ONa2ZnSi trigonal pyramids that share  a cornercorner with one O(4)Na2Si2 trigonal pyramid,  a cornercorner with one O(5)Na2ZnSi trigonal pyramid, corners with two equivalent O(6)Na2CdSi trigonal pyramids, and  an edgeedge with one O(4)Na2Si2 trigonal pyramid. In the sixth O site, O(6) is bonded to one Na(1), one Na(2), one Cd(1), and one Si(2) atom to form distorted ONa2CdSi trigonal pyramids that share  a cornercorner with one O(6)Na2CdSi trigonal pyramid, corners with two equivalent O(5)Na2ZnSi trigonal pyramids, and corners with three equivalent O(4)Na2Si2 trigonal pyramids. is represented by the CIF file [CIF]
data_Na4ZnCd(SiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.233
_cell_length_b   5.233
_cell_length_c   11.577
_cell_angle_alpha   77.547
_cell_angle_beta   77.547
_cell_angle_gamma   92.548
_symmetry_Int_Tables_number   1
_cell_volume   300.909
_cell_formula_units_Z   1
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  0.356  0.324  0.355  1.0
  Na  Na1  1  0.676  0.644  0.645  1.0
  Na  Na2  1  0.449  0.926  0.159  1.0
  Na  Na3  1  0.074  0.551  0.841  1.0
  Zn  Zn4  1  0.238  0.762  0.500  1.0
  Cd  Cd5  1  0.488  0.512  0.000  1.0
  Si  Si6  1  0.831  0.905  0.335  1.0
  Si  Si7  1  0.095  0.169  0.665  1.0
  Si  Si8  1  0.921  0.485  0.175  1.0
  Si  Si9  1  0.515  0.079  0.825  1.0
  O  O10  1  0.616  0.867  0.462  1.0
  O  O11  1  0.133  0.384  0.538  1.0
  O  O12  1  0.873  0.575  0.040  1.0
  O  O13  1  0.425  0.127  0.960  1.0
  O  O14  1  0.760  0.664  0.267  1.0
  O  O15  1  0.336  0.240  0.733  1.0
  O  O16  1  0.776  0.178  0.239  1.0
  O  O17  1  0.822  0.224  0.761  1.0
  O  O18  1  0.135  0.919  0.346  1.0
  O  O19  1  0.081  0.865  0.654  1.0
  O  O20  1  0.231  0.505  0.177  1.0
  O  O21  1  0.495  0.769  0.823  1.0
[/CIF]
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The crystal structure described by Na4CdZn(SiO3)4 crystallizes in the monoclinic C2 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(5), and one O(6) atom. In the second Na site, Na(2) 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. Cd(1) is bonded to two equivalent O(2) and two equivalent O(6) atoms to form CdO4 tetrahedra that share corners with four equivalent Si(2)O4 tetrahedra. Zn(1) is bonded to two equivalent O(1) and two equivalent O(5) atoms to form ZnO4 tetrahedra that share corners with four equivalent Si(1)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form SiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra and corners with two equivalent Si(2)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form SiO4 tetrahedra that share corners with two equivalent Cd(1)O4 tetrahedra and corners with two equivalent Si(1)O4 tetrahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Zn(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Cd(1), and one Si(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Si(1), and one Si(2) atom. In the fourth O site, O(4) is bonded to one Na(1), one Na(2), one Si(1), and one Si(2) atom to form distorted ONa2Si2 trigonal pyramids that share  a cornercorner with one O(5)Na2ZnSi trigonal pyramid, corners with three equivalent O(6)Na2CdSi trigonal pyramids, and  an edgeedge with one O(5)Na2ZnSi trigonal pyramid. In the fifth O site, O(5) is bonded to one Na(1), one Na(2), one Zn(1), and one Si(1) atom to form distorted ONa2ZnSi trigonal pyramids that share  a cornercorner with one O(4)Na2Si2 trigonal pyramid,  a cornercorner with one O(5)Na2ZnSi trigonal pyramid, corners with two equivalent O(6)Na2CdSi trigonal pyramids, and  an edgeedge with one O(4)Na2Si2 trigonal pyramid. In the sixth O site, O(6) is bonded to one Na(1), one Na(2), one Cd(1), and one Si(2) atom to form distorted ONa2CdSi trigonal pyramids that share  a cornercorner with one O(6)Na2CdSi trigonal pyramid, corners with two equivalent O(5)Na2ZnSi trigonal pyramids, and corners with three equivalent O(4)Na2Si2 trigonal pyramids. is represented by the CIF file [CIF]
data_Na4ZnCd(SiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.233
_cell_length_b   5.233
_cell_length_c   11.577
_cell_angle_alpha   77.547
_cell_angle_beta   77.547
_cell_angle_gamma   92.548
_symmetry_Int_Tables_number   1
_cell_volume   300.909
_cell_formula_units_Z   1
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  0.356  0.324  0.355  1.0
  Na  Na1  1  0.676  0.644  0.645  1.0
  Na  Na2  1  0.449  0.926  0.159  1.0
  Na  Na3  1  0.074  0.551  0.841  1.0
  Zn  Zn4  1  0.238  0.762  0.500  1.0
  Cd  Cd5  1  0.488  0.512  0.000  1.0
  Si  Si6  1  0.831  0.905  0.335  1.0
  Si  Si7  1  0.095  0.169  0.665  1.0
  Si  Si8  1  0.921  0.485  0.175  1.0
  Si  Si9  1  0.515  0.079  0.825  1.0
  O  O10  1  0.616  0.867  0.462  1.0
  O  O11  1  0.133  0.384  0.538  1.0
  O  O12  1  0.873  0.575  0.040  1.0
  O  O13  1  0.425  0.127  0.960  1.0
  O  O14  1  0.760  0.664  0.267  1.0
  O  O15  1  0.336  0.240  0.733  1.0
  O  O16  1  0.776  0.178  0.239  1.0
  O  O17  1  0.822  0.224  0.761  1.0
  O  O18  1  0.135  0.919  0.346  1.0
  O  O19  1  0.081  0.865  0.654  1.0
  O  O20  1  0.231  0.505  0.177  1.0
  O  O21  1  0.495  0.769  0.823  1.0
[/CIF]
.