The material described by Na4Al3Si3CNO13 crystallizes in the orthorhombic Ccc2 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. In the second Na site, Na(2) is bonded to one N(1), one O(1), one O(5), and one O(6) atom to form distorted NaNO3 tetrahedra that share  a cornercorner with one Na(2)NO3 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(4), one O(5), and one O(7) atom to form AlO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. In the second Al site, Al(2) is bonded to two equivalent O(2) and two equivalent O(6) atoms to form AlO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, and 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(2), one O(6), and one O(7) atom to form SiO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Al(2)O4 tetrahedra. In the second Si site, Si(2) is bonded to two equivalent O(4) and two equivalent O(5) atoms to form SiO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, and corners with four equivalent Al(1)O4 tetrahedra. C(1) is bonded in a linear geometry to one N(1) and one O(3) atom. N(1) is bonded in a 3-coordinate geometry to two equivalent Na(2) and one C(1) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(2), one Al(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Al(2), and one Si(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(2), one Al(1), and one Si(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), one Al(2), and one Si(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one Si(1) atom. is represented by the CIF card [CIF]
data_Na4Al3Si3CNO13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.997
_cell_length_b   8.997
_cell_length_c   9.188
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.011
_symmetry_Int_Tables_number   1
_cell_volume   743.752
_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  0.809  0.691  0.197  1.0
  Na  Na1  1  0.191  0.309  0.197  1.0
  Na  Na2  1  0.311  0.811  0.304  1.0
  Na  Na3  1  0.689  0.189  0.304  1.0
  Na  Na4  1  0.691  0.809  0.697  1.0
  Na  Na5  1  0.309  0.191  0.697  1.0
  Na  Na6  1  0.189  0.689  0.804  1.0
  Na  Na7  1  0.811  0.311  0.804  1.0
  Al  Al8  1  0.751  0.000  0.000  1.0
  Al  Al9  1  0.500  0.500  0.250  1.0
  Al  Al10  1  1.000  0.249  0.500  1.0
  Al  Al11  1  0.000  0.751  0.500  1.0
  Al  Al12  1  0.500  0.500  0.750  1.0
  Al  Al13  1  0.249  1.000  0.000  1.0
  Si  Si14  1  0.500  0.749  1.000  1.0
  Si  Si15  1  0.000  0.000  0.250  1.0
  Si  Si16  1  0.251  0.500  0.500  1.0
  Si  Si17  1  0.749  0.500  0.500  1.0
  Si  Si18  1  0.000  0.000  0.750  1.0
  Si  Si19  1  0.500  0.251  1.000  1.0
  C  C20  1  0.000  0.500  1.000  1.0
  C  C21  1  0.500  0.000  0.500  1.0
  N  N22  1  0.500  0.000  0.369  1.0
  N  N23  1  0.000  0.500  0.869  1.0
  O  O24  1  0.356  0.845  0.052  1.0
  O  O25  1  0.644  0.155  0.052  1.0
  O  O26  1  0.556  0.650  0.140  1.0
  O  O27  1  0.444  0.350  0.140  1.0
  O  O28  1  0.000  0.500  0.134  1.0
  O  O29  1  0.860  0.944  0.150  1.0
  O  O30  1  0.140  0.056  0.150  1.0
  O  O31  1  0.055  0.859  0.349  1.0
  O  O32  1  0.945  0.141  0.349  1.0
  O  O33  1  0.350  0.555  0.359  1.0
  O  O34  1  0.650  0.445  0.359  1.0
  O  O35  1  0.847  0.643  0.447  1.0
  O  O36  1  0.153  0.357  0.447  1.0
  O  O37  1  0.155  0.644  0.552  1.0
  O  O38  1  0.845  0.356  0.552  1.0
  O  O39  1  0.650  0.556  0.640  1.0
  O  O40  1  0.350  0.444  0.640  1.0
  O  O41  1  0.500  0.000  0.634  1.0
  O  O42  1  0.944  0.860  0.650  1.0
  O  O43  1  0.056  0.140  0.650  1.0
  O  O44  1  0.859  0.055  0.849  1.0
  O  O45  1  0.141  0.945  0.849  1.0
  O  O46  1  0.445  0.650  0.859  1.0
  O  O47  1  0.555  0.350  0.859  1.0
  O  O48  1  0.643  0.847  0.947  1.0
  O  O49  1  0.357  0.153  0.947  1.0
[/CIF]
.
The material described by Na4Al3Si3CNO13 crystallizes in the orthorhombic Ccc2 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. In the second Na site, Na(2) is bonded to one N(1), one O(1), one O(5), and one O(6) atom to form distorted NaNO3 tetrahedra that share  a cornercorner with one Na(2)NO3 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(4), one O(5), and one O(7) atom to form AlO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. In the second Al site, Al(2) is bonded to two equivalent O(2) and two equivalent O(6) atoms to form AlO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, and 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(2), one O(6), and one O(7) atom to form SiO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Al(2)O4 tetrahedra. In the second Si site, Si(2) is bonded to two equivalent O(4) and two equivalent O(5) atoms to form SiO4 tetrahedra that share corners with two equivalent Na(2)NO3 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, and corners with four equivalent Al(1)O4 tetrahedra. C(1) is bonded in a linear geometry to one N(1) and one O(3) atom. N(1) is bonded in a 3-coordinate geometry to two equivalent Na(2) and one C(1) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(2), one Al(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Al(2), and one Si(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(2), one Al(1), and one Si(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), one Al(2), and one Si(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one Si(1) atom. is represented by the CIF card [CIF]
data_Na4Al3Si3CNO13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.997
_cell_length_b   8.997
_cell_length_c   9.188
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.011
_symmetry_Int_Tables_number   1
_cell_volume   743.752
_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  0.809  0.691  0.197  1.0
  Na  Na1  1  0.191  0.309  0.197  1.0
  Na  Na2  1  0.311  0.811  0.304  1.0
  Na  Na3  1  0.689  0.189  0.304  1.0
  Na  Na4  1  0.691  0.809  0.697  1.0
  Na  Na5  1  0.309  0.191  0.697  1.0
  Na  Na6  1  0.189  0.689  0.804  1.0
  Na  Na7  1  0.811  0.311  0.804  1.0
  Al  Al8  1  0.751  0.000  0.000  1.0
  Al  Al9  1  0.500  0.500  0.250  1.0
  Al  Al10  1  1.000  0.249  0.500  1.0
  Al  Al11  1  0.000  0.751  0.500  1.0
  Al  Al12  1  0.500  0.500  0.750  1.0
  Al  Al13  1  0.249  1.000  0.000  1.0
  Si  Si14  1  0.500  0.749  1.000  1.0
  Si  Si15  1  0.000  0.000  0.250  1.0
  Si  Si16  1  0.251  0.500  0.500  1.0
  Si  Si17  1  0.749  0.500  0.500  1.0
  Si  Si18  1  0.000  0.000  0.750  1.0
  Si  Si19  1  0.500  0.251  1.000  1.0
  C  C20  1  0.000  0.500  1.000  1.0
  C  C21  1  0.500  0.000  0.500  1.0
  N  N22  1  0.500  0.000  0.369  1.0
  N  N23  1  0.000  0.500  0.869  1.0
  O  O24  1  0.356  0.845  0.052  1.0
  O  O25  1  0.644  0.155  0.052  1.0
  O  O26  1  0.556  0.650  0.140  1.0
  O  O27  1  0.444  0.350  0.140  1.0
  O  O28  1  0.000  0.500  0.134  1.0
  O  O29  1  0.860  0.944  0.150  1.0
  O  O30  1  0.140  0.056  0.150  1.0
  O  O31  1  0.055  0.859  0.349  1.0
  O  O32  1  0.945  0.141  0.349  1.0
  O  O33  1  0.350  0.555  0.359  1.0
  O  O34  1  0.650  0.445  0.359  1.0
  O  O35  1  0.847  0.643  0.447  1.0
  O  O36  1  0.153  0.357  0.447  1.0
  O  O37  1  0.155  0.644  0.552  1.0
  O  O38  1  0.845  0.356  0.552  1.0
  O  O39  1  0.650  0.556  0.640  1.0
  O  O40  1  0.350  0.444  0.640  1.0
  O  O41  1  0.500  0.000  0.634  1.0
  O  O42  1  0.944  0.860  0.650  1.0
  O  O43  1  0.056  0.140  0.650  1.0
  O  O44  1  0.859  0.055  0.849  1.0
  O  O45  1  0.141  0.945  0.849  1.0
  O  O46  1  0.445  0.650  0.859  1.0
  O  O47  1  0.555  0.350  0.859  1.0
  O  O48  1  0.643  0.847  0.947  1.0
  O  O49  1  0.357  0.153  0.947  1.0
[/CIF]
.