The structure described by Na4Al2Si6O24Cl crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one O(11), one O(14), one O(7), and one O(9) atom. In the second Na site, Na(2) is bonded in a 5-coordinate geometry to one O(10), one O(15), one O(17), one O(22), and one O(4) atom. In the third Na site, Na(3) is bonded in a distorted T-shaped geometry to one O(3), one O(4), and one O(9) atom. In the fourth Na site, Na(4) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(16), one O(2), and one O(5) atom. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(19), one O(5), and one O(7) atom. In the second Al site, Al(2) is bonded to one O(1), one O(12), one O(20), and one O(24) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and  an edgeedge with one Si(1)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(18), one O(20), and one O(3) atom to form distorted SiO4 tetrahedra that share  an edgeedge with one Al(2)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(11), one O(21), one O(4), and one Cl(1) atom to form edge-sharing SiClO3 tetrahedra. In the third Si site, Si(3) is bonded in an L-shaped geometry to one O(16) and one O(22) atom. In the fourth Si site, Si(4) is bonded to one O(13), one O(15), one O(6), and one O(9) atom to form corner-sharing SiO4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(12), one O(16), one O(19), and one O(22) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(11), one O(21), one O(24), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  an edgeedge with one Si(2)ClO3 tetrahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Al(1), one Al(2), and one Si(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Na(4), one O(18), and one O(8) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Na(3) and one Si(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Na(2), one Na(3), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(4), one Al(1), and one O(7) atom. In the sixth O site, O(6) is bonded in a linear geometry to one Si(4) and one Si(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one O(5) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one O(10) and one O(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Na(1), one Na(3), and one Si(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Na(2) and one O(8) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Na(1), one Si(2), and one Si(6) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Al(2) and one Si(5) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Al(1) and one Si(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Na(4), and one O(20) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Na(2) and one Si(4) atom. In the sixteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Na(4), one Si(3), and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a water-like geometry to one Na(2) and one O(23) atom. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to one Si(1) and one O(2) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one Al(1) and one Si(5) atom. In the twentieth O site, O(20) is bonded in a distorted water-like geometry to one Al(2), one Si(1), and one O(14) atom. In the twenty-first O site, O(21) is bonded in an L-shaped geometry to one Si(2) and one Si(6) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Na(2), one Si(3), and one Si(5) atom. In the twenty-third O site, O(23) is bonded in a single-bond geometry to one O(17) atom. In the twenty-fourth O site, O(24) is bonded in a bent 120 degrees geometry to one Al(2) and one Si(6) atom. Cl(1) is bonded in a single-bond geometry to one Si(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na4Al2Si6ClO24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.404
_cell_length_b   9.191
_cell_length_c   9.959
_cell_angle_alpha   103.164
_cell_angle_beta   103.941
_cell_angle_gamma   116.530
_symmetry_Int_Tables_number   1
_cell_volume   616.113
_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  0.078  0.934  0.374  1.0
  Na  Na1  1  0.427  0.021  0.044  1.0
  Na  Na2  1  0.975  0.662  0.038  1.0
  Na  Na3  1  0.963  0.119  0.713  1.0
  Al  Al4  1  0.847  0.598  0.581  1.0
  Al  Al5  1  0.406  0.478  0.580  1.0
  Si  Si6  1  0.611  0.359  0.721  1.0
  Si  Si7  1  0.033  0.043  0.087  1.0
  Si  Si8  1  0.308  0.552  0.024  1.0
  Si  Si9  1  0.815  0.456  0.257  1.0
  Si  Si10  1  0.207  0.583  0.783  1.0
  Si  Si11  1  0.108  0.312  0.262  1.0
  Cl  Cl12  1  0.752  0.892  0.925  1.0
  O  O13  1  0.649  0.514  0.646  1.0
  O  O14  1  0.652  0.098  0.667  1.0
  O  O15  1  0.709  0.413  0.891  1.0
  O  O16  1  0.146  0.946  0.073  1.0
  O  O17  1  0.875  0.821  0.624  1.0
  O  O18  1  0.959  0.376  0.264  1.0
  O  O19  1  0.978  0.803  0.537  1.0
  O  O20  1  0.389  0.968  0.658  1.0
  O  O21  1  0.924  0.645  0.244  1.0
  O  O22  1  0.379  0.943  0.773  1.0
  O  O23  1  0.018  0.103  0.254  1.0
  O  O24  1  0.338  0.595  0.688  1.0
  O  O25  1  0.755  0.450  0.400  1.0
  O  O26  1  0.201  0.133  0.620  1.0
  O  O27  1  0.605  0.313  0.116  1.0
  O  O28  1  0.161  0.413  0.841  1.0
  O  O29  1  0.584  0.988  0.311  1.0
  O  O30  1  0.639  0.212  0.601  1.0
  O  O31  1  0.022  0.592  0.713  1.0
  O  O32  1  0.370  0.288  0.634  1.0
  O  O33  1  0.120  0.251  0.094  1.0
  O  O34  1  0.335  0.723  0.966  1.0
  O  O35  1  0.436  0.886  0.323  1.0
  O  O36  1  0.318  0.443  0.395  1.0
[/CIF]
.
The structure described by Na4Al2Si6O24Cl crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one O(11), one O(14), one O(7), and one O(9) atom. In the second Na site, Na(2) is bonded in a 5-coordinate geometry to one O(10), one O(15), one O(17), one O(22), and one O(4) atom. In the third Na site, Na(3) is bonded in a distorted T-shaped geometry to one O(3), one O(4), and one O(9) atom. In the fourth Na site, Na(4) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(16), one O(2), and one O(5) atom. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(19), one O(5), and one O(7) atom. In the second Al site, Al(2) is bonded to one O(1), one O(12), one O(20), and one O(24) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and  an edgeedge with one Si(1)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(18), one O(20), and one O(3) atom to form distorted SiO4 tetrahedra that share  an edgeedge with one Al(2)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(11), one O(21), one O(4), and one Cl(1) atom to form edge-sharing SiClO3 tetrahedra. In the third Si site, Si(3) is bonded in an L-shaped geometry to one O(16) and one O(22) atom. In the fourth Si site, Si(4) is bonded to one O(13), one O(15), one O(6), and one O(9) atom to form corner-sharing SiO4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(12), one O(16), one O(19), and one O(22) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(11), one O(21), one O(24), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  an edgeedge with one Si(2)ClO3 tetrahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Al(1), one Al(2), and one Si(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Na(4), one O(18), and one O(8) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Na(3) and one Si(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Na(2), one Na(3), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(4), one Al(1), and one O(7) atom. In the sixth O site, O(6) is bonded in a linear geometry to one Si(4) and one Si(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one O(5) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one O(10) and one O(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Na(1), one Na(3), and one Si(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Na(2) and one O(8) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Na(1), one Si(2), and one Si(6) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Al(2) and one Si(5) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Al(1) and one Si(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Na(4), and one O(20) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Na(2) and one Si(4) atom. In the sixteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Na(4), one Si(3), and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a water-like geometry to one Na(2) and one O(23) atom. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to one Si(1) and one O(2) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one Al(1) and one Si(5) atom. In the twentieth O site, O(20) is bonded in a distorted water-like geometry to one Al(2), one Si(1), and one O(14) atom. In the twenty-first O site, O(21) is bonded in an L-shaped geometry to one Si(2) and one Si(6) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Na(2), one Si(3), and one Si(5) atom. In the twenty-third O site, O(23) is bonded in a single-bond geometry to one O(17) atom. In the twenty-fourth O site, O(24) is bonded in a bent 120 degrees geometry to one Al(2) and one Si(6) atom. Cl(1) is bonded in a single-bond geometry to one Si(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na4Al2Si6ClO24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.404
_cell_length_b   9.191
_cell_length_c   9.959
_cell_angle_alpha   103.164
_cell_angle_beta   103.941
_cell_angle_gamma   116.530
_symmetry_Int_Tables_number   1
_cell_volume   616.113
_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  0.078  0.934  0.374  1.0
  Na  Na1  1  0.427  0.021  0.044  1.0
  Na  Na2  1  0.975  0.662  0.038  1.0
  Na  Na3  1  0.963  0.119  0.713  1.0
  Al  Al4  1  0.847  0.598  0.581  1.0
  Al  Al5  1  0.406  0.478  0.580  1.0
  Si  Si6  1  0.611  0.359  0.721  1.0
  Si  Si7  1  0.033  0.043  0.087  1.0
  Si  Si8  1  0.308  0.552  0.024  1.0
  Si  Si9  1  0.815  0.456  0.257  1.0
  Si  Si10  1  0.207  0.583  0.783  1.0
  Si  Si11  1  0.108  0.312  0.262  1.0
  Cl  Cl12  1  0.752  0.892  0.925  1.0
  O  O13  1  0.649  0.514  0.646  1.0
  O  O14  1  0.652  0.098  0.667  1.0
  O  O15  1  0.709  0.413  0.891  1.0
  O  O16  1  0.146  0.946  0.073  1.0
  O  O17  1  0.875  0.821  0.624  1.0
  O  O18  1  0.959  0.376  0.264  1.0
  O  O19  1  0.978  0.803  0.537  1.0
  O  O20  1  0.389  0.968  0.658  1.0
  O  O21  1  0.924  0.645  0.244  1.0
  O  O22  1  0.379  0.943  0.773  1.0
  O  O23  1  0.018  0.103  0.254  1.0
  O  O24  1  0.338  0.595  0.688  1.0
  O  O25  1  0.755  0.450  0.400  1.0
  O  O26  1  0.201  0.133  0.620  1.0
  O  O27  1  0.605  0.313  0.116  1.0
  O  O28  1  0.161  0.413  0.841  1.0
  O  O29  1  0.584  0.988  0.311  1.0
  O  O30  1  0.639  0.212  0.601  1.0
  O  O31  1  0.022  0.592  0.713  1.0
  O  O32  1  0.370  0.288  0.634  1.0
  O  O33  1  0.120  0.251  0.094  1.0
  O  O34  1  0.335  0.723  0.966  1.0
  O  O35  1  0.436  0.886  0.323  1.0
  O  O36  1  0.318  0.443  0.395  1.0
[/CIF]
.