The compound described by Na4Al3Si3NO13 crystallizes in the monoclinic Pm space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a hexagonal planar geometry to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(8) atom. In the second Na site, Na(2) is bonded in a hexagonal planar geometry to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(9) atom. In the third Na site, Na(3) is bonded to one O(10), one O(11), one O(13), one O(14), one O(16), one O(17), and one O(2) atom to form distorted NaO7 hexagonal pyramids that share  a cornercorner with one Na(3)O7 hexagonal pyramid, corners with two equivalent Na(4)O7 hexagonal pyramids,  an edgeedge with one Na(3)O7 hexagonal pyramid,  an edgeedge with one Al(1)O4 tetrahedra,  an edgeedge with one Al(3)O4 tetrahedra,  an edgeedge with one Al(5)O4 tetrahedra,  an edgeedge with one Si(2)O4 tetrahedra,  an edgeedge with one Si(4)O4 tetrahedra, and  an edgeedge with one Si(5)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(1), one O(12), one O(14), one O(15), one O(17), one O(18), and one O(9) atom to form distorted NaO7 hexagonal pyramids that share  a cornercorner with one Na(4)O7 hexagonal pyramid, corners with two equivalent Na(3)O7 hexagonal pyramids,  an edgeedge with one Na(4)O7 hexagonal pyramid,  an edgeedge with one Al(1)O4 tetrahedra,  an edgeedge with one Al(4)O4 tetrahedra,  an edgeedge with one Al(5)O4 tetrahedra,  an edgeedge with one Si(1)O4 tetrahedra,  an edgeedge with one Si(4)O4 tetrahedra, and  an edgeedge with one Si(5)O4 tetrahedra. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(17), one O(2), and one O(3) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  an edgeedge with one Na(3)O7 hexagonal pyramid, and  an edgeedge with one Na(4)O7 hexagonal pyramid. In the second Al site, Al(2) is bonded to one O(4), one O(5), and two equivalent O(6) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Si(4)O4 tetrahedra. In the third Al site, Al(3) is bonded to one O(13), one O(8), and two equivalent O(10) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, and edges with two equivalent Na(3)O7 hexagonal pyramids. In the fourth Al site, Al(4) is bonded to one O(12), one O(7), and two equivalent O(9) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, and edges with two equivalent Na(4)O7 hexagonal pyramids. In the fifth Al site, Al(5) is bonded to one O(15), one O(16), and two equivalent O(14) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, edges with two equivalent Na(3)O7 hexagonal pyramids, and edges with two equivalent Na(4)O7 hexagonal pyramids. There are five inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(15), one O(4), and two equivalent O(1) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and edges with two equivalent Na(4)O7 hexagonal pyramids. In the second Si site, Si(2) is bonded to one O(16), one O(5), and two equivalent O(2) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and edges with two equivalent Na(3)O7 hexagonal pyramids. In the third Si site, Si(3) is bonded to one O(7), one O(8), and two equivalent O(3) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and corners with two equivalent Al(1)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(10), one O(14), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra,  an edgeedge with one Na(3)O7 hexagonal pyramid, and  an edgeedge with one Na(4)O7 hexagonal pyramid. In the fifth Si site, Si(5) is bonded to one O(12), one O(13), and two equivalent O(17) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, edges with two equivalent Na(3)O7 hexagonal pyramids, and edges with two equivalent Na(4)O7 hexagonal pyramids. N(1,2) is bonded in a single-bond geometry to one O(11) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Na(4), one Al(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(3), one Al(1), and one Si(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(2), one Al(1), and one Si(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(2), one Al(2), and one Si(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent Na(1), one Al(2), and one Si(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(2), one Al(2), and one Si(4) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to two equivalent Na(2), one Al(4), and one Si(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Al(3), and one Si(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Na(4), one Al(4), and one Si(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(3), one Al(3), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to two equivalent Na(3) and one N(1,2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to two equivalent Na(4), one Al(4), and one Si(5) atom. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to two equivalent Na(3), one Al(3), and one Si(5) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Al(5), and one Si(4) atom. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to two equivalent Na(4), one Al(5), and one Si(1) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to two equivalent Na(3), one Al(5), and one Si(2) atom. In the seventeenth O site, O(17) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Al(1), and one Si(5) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to two equivalent Na(4) and one N(1,2) atom. is represented by the CIF card [CIF]
data_Na4Al3Si3NO13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.297
_cell_length_b   9.255
_cell_length_c   9.299
_cell_angle_alpha   89.973
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   800.088
_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  0.781  0.785  0.785  1.0
  Na  Na1  1  0.219  0.785  0.785  1.0
  Na  Na2  1  0.281  0.284  0.715  1.0
  Na  Na3  1  0.719  0.284  0.715  1.0
  Na  Na4  1  0.290  0.706  0.284  1.0
  Na  Na5  1  0.710  0.706  0.284  1.0
  Na  Na6  1  0.210  0.206  0.216  1.0
  Na  Na7  1  0.790  0.206  0.216  1.0
  Al  Al8  1  0.250  0.500  0.000  1.0
  Al  Al9  1  0.750  0.500  0.000  1.0
  Al  Al10  1  0.500  0.003  0.750  1.0
  Al  Al11  1  0.000  0.750  0.502  1.0
  Al  Al12  1  0.000  0.250  0.498  1.0
  Al  Al13  1  0.500  0.998  0.250  1.0
  Si  Si14  1  0.500  0.250  0.996  1.0
  Si  Si15  1  0.500  0.750  0.003  1.0
  Si  Si16  1  0.000  0.504  0.750  1.0
  Si  Si17  1  0.250  1.000  0.500  1.0
  Si  Si18  1  0.750  1.000  0.500  1.0
  Si  Si19  1  0.000  0.496  0.250  1.0
  N  N20  1  0.500  0.486  0.502  1.0
  N  N21  1  0.000  0.986  0.998  1.0
  O  O22  1  0.350  0.341  0.997  1.0
  O  O23  1  0.351  0.658  0.999  1.0
  O  O24  1  0.650  0.341  0.997  1.0
  O  O25  1  0.649  0.658  0.999  1.0
  O  O26  1  0.149  0.501  0.842  1.0
  O  O27  1  0.851  0.501  0.842  1.0
  O  O28  1  0.500  0.168  0.839  1.0
  O  O29  1  0.500  0.852  0.861  1.0
  O  O30  1  0.342  0.001  0.650  1.0
  O  O31  1  0.658  0.001  0.650  1.0
  O  O32  1  0.000  0.362  0.648  1.0
  O  O33  1  0.000  0.661  0.668  1.0
  O  O34  1  0.158  0.149  0.500  1.0
  O  O35  1  0.159  0.850  0.504  1.0
  O  O36  1  0.842  0.149  0.500  1.0
  O  O37  1  0.841  0.850  0.504  1.0
  O  O38  1  0.500  0.533  0.373  1.0
  O  O39  1  0.000  0.341  0.334  1.0
  O  O40  1  0.000  0.638  0.353  1.0
  O  O41  1  0.343  0.998  0.352  1.0
  O  O42  1  0.657  0.998  0.352  1.0
  O  O43  1  0.500  0.147  0.137  1.0
  O  O44  1  0.500  0.834  0.158  1.0
  O  O45  1  0.148  0.499  0.157  1.0
  O  O46  1  0.852  0.499  0.157  1.0
  O  O47  1  0.000  0.032  0.127  1.0
[/CIF]
.
The compound described by Na4Al3Si3NO13 crystallizes in the monoclinic Pm space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a hexagonal planar geometry to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(8) atom. In the second Na site, Na(2) is bonded in a hexagonal planar geometry to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(9) atom. In the third Na site, Na(3) is bonded to one O(10), one O(11), one O(13), one O(14), one O(16), one O(17), and one O(2) atom to form distorted NaO7 hexagonal pyramids that share  a cornercorner with one Na(3)O7 hexagonal pyramid, corners with two equivalent Na(4)O7 hexagonal pyramids,  an edgeedge with one Na(3)O7 hexagonal pyramid,  an edgeedge with one Al(1)O4 tetrahedra,  an edgeedge with one Al(3)O4 tetrahedra,  an edgeedge with one Al(5)O4 tetrahedra,  an edgeedge with one Si(2)O4 tetrahedra,  an edgeedge with one Si(4)O4 tetrahedra, and  an edgeedge with one Si(5)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(1), one O(12), one O(14), one O(15), one O(17), one O(18), and one O(9) atom to form distorted NaO7 hexagonal pyramids that share  a cornercorner with one Na(4)O7 hexagonal pyramid, corners with two equivalent Na(3)O7 hexagonal pyramids,  an edgeedge with one Na(4)O7 hexagonal pyramid,  an edgeedge with one Al(1)O4 tetrahedra,  an edgeedge with one Al(4)O4 tetrahedra,  an edgeedge with one Al(5)O4 tetrahedra,  an edgeedge with one Si(1)O4 tetrahedra,  an edgeedge with one Si(4)O4 tetrahedra, and  an edgeedge with one Si(5)O4 tetrahedra. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(17), one O(2), and one O(3) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  an edgeedge with one Na(3)O7 hexagonal pyramid, and  an edgeedge with one Na(4)O7 hexagonal pyramid. In the second Al site, Al(2) is bonded to one O(4), one O(5), and two equivalent O(6) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Si(4)O4 tetrahedra. In the third Al site, Al(3) is bonded to one O(13), one O(8), and two equivalent O(10) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, and edges with two equivalent Na(3)O7 hexagonal pyramids. In the fourth Al site, Al(4) is bonded to one O(12), one O(7), and two equivalent O(9) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, and edges with two equivalent Na(4)O7 hexagonal pyramids. In the fifth Al site, Al(5) is bonded to one O(15), one O(16), and two equivalent O(14) atoms to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, edges with two equivalent Na(3)O7 hexagonal pyramids, and edges with two equivalent Na(4)O7 hexagonal pyramids. There are five inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(15), one O(4), and two equivalent O(1) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and edges with two equivalent Na(4)O7 hexagonal pyramids. In the second Si site, Si(2) is bonded to one O(16), one O(5), and two equivalent O(2) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and edges with two equivalent Na(3)O7 hexagonal pyramids. In the third Si site, Si(3) is bonded to one O(7), one O(8), and two equivalent O(3) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and corners with two equivalent Al(1)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(10), one O(14), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra,  an edgeedge with one Na(3)O7 hexagonal pyramid, and  an edgeedge with one Na(4)O7 hexagonal pyramid. In the fifth Si site, Si(5) is bonded to one O(12), one O(13), and two equivalent O(17) atoms to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, edges with two equivalent Na(3)O7 hexagonal pyramids, and edges with two equivalent Na(4)O7 hexagonal pyramids. N(1,2) is bonded in a single-bond geometry to one O(11) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Na(4), one Al(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(3), one Al(1), and one Si(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(2), one Al(1), and one Si(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(2), one Al(2), and one Si(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent Na(1), one Al(2), and one Si(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(2), one Al(2), and one Si(4) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to two equivalent Na(2), one Al(4), and one Si(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Al(3), and one Si(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Na(4), one Al(4), and one Si(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Na(3), one Al(3), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to two equivalent Na(3) and one N(1,2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to two equivalent Na(4), one Al(4), and one Si(5) atom. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to two equivalent Na(3), one Al(3), and one Si(5) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Al(5), and one Si(4) atom. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to two equivalent Na(4), one Al(5), and one Si(1) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to two equivalent Na(3), one Al(5), and one Si(2) atom. In the seventeenth O site, O(17) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Al(1), and one Si(5) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to two equivalent Na(4) and one N(1,2) atom. is represented by the CIF card [CIF]
data_Na4Al3Si3NO13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.297
_cell_length_b   9.255
_cell_length_c   9.299
_cell_angle_alpha   89.973
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   800.088
_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  0.781  0.785  0.785  1.0
  Na  Na1  1  0.219  0.785  0.785  1.0
  Na  Na2  1  0.281  0.284  0.715  1.0
  Na  Na3  1  0.719  0.284  0.715  1.0
  Na  Na4  1  0.290  0.706  0.284  1.0
  Na  Na5  1  0.710  0.706  0.284  1.0
  Na  Na6  1  0.210  0.206  0.216  1.0
  Na  Na7  1  0.790  0.206  0.216  1.0
  Al  Al8  1  0.250  0.500  0.000  1.0
  Al  Al9  1  0.750  0.500  0.000  1.0
  Al  Al10  1  0.500  0.003  0.750  1.0
  Al  Al11  1  0.000  0.750  0.502  1.0
  Al  Al12  1  0.000  0.250  0.498  1.0
  Al  Al13  1  0.500  0.998  0.250  1.0
  Si  Si14  1  0.500  0.250  0.996  1.0
  Si  Si15  1  0.500  0.750  0.003  1.0
  Si  Si16  1  0.000  0.504  0.750  1.0
  Si  Si17  1  0.250  1.000  0.500  1.0
  Si  Si18  1  0.750  1.000  0.500  1.0
  Si  Si19  1  0.000  0.496  0.250  1.0
  N  N20  1  0.500  0.486  0.502  1.0
  N  N21  1  0.000  0.986  0.998  1.0
  O  O22  1  0.350  0.341  0.997  1.0
  O  O23  1  0.351  0.658  0.999  1.0
  O  O24  1  0.650  0.341  0.997  1.0
  O  O25  1  0.649  0.658  0.999  1.0
  O  O26  1  0.149  0.501  0.842  1.0
  O  O27  1  0.851  0.501  0.842  1.0
  O  O28  1  0.500  0.168  0.839  1.0
  O  O29  1  0.500  0.852  0.861  1.0
  O  O30  1  0.342  0.001  0.650  1.0
  O  O31  1  0.658  0.001  0.650  1.0
  O  O32  1  0.000  0.362  0.648  1.0
  O  O33  1  0.000  0.661  0.668  1.0
  O  O34  1  0.158  0.149  0.500  1.0
  O  O35  1  0.159  0.850  0.504  1.0
  O  O36  1  0.842  0.149  0.500  1.0
  O  O37  1  0.841  0.850  0.504  1.0
  O  O38  1  0.500  0.533  0.373  1.0
  O  O39  1  0.000  0.341  0.334  1.0
  O  O40  1  0.000  0.638  0.353  1.0
  O  O41  1  0.343  0.998  0.352  1.0
  O  O42  1  0.657  0.998  0.352  1.0
  O  O43  1  0.500  0.147  0.137  1.0
  O  O44  1  0.500  0.834  0.158  1.0
  O  O45  1  0.148  0.499  0.157  1.0
  O  O46  1  0.852  0.499  0.157  1.0
  O  O47  1  0.000  0.032  0.127  1.0
[/CIF]
.