The crystal structure described by Na3Al2P2O8F3 crystallizes in the orthorhombic Cmc2_1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to two equivalent O(1), two equivalent O(4), one F(1), and two equivalent F(2) atoms. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to two equivalent O(2), two equivalent O(4), one F(1), and two equivalent F(2) atoms. In the third Na site, Na(3) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent F(2) atoms to form distorted NaO4F2 pentagonal pyramids that share corners with six equivalent Al(1)O4F2 octahedra and edges with two equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-57°. Al(1) is bonded to one O(1), one O(2), one O(3), one O(4), one F(1), and one F(2) atom to form AlO4F2 octahedra that share  a cornercorner with one Al(1)O4F2 octahedra, corners with three equivalent Na(3)O4F2 pentagonal pyramids, and corners with four equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 5°. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with four equivalent Al(1)O4F2 octahedra and  an edgeedge with one Na(3)O4F2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 42-45°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Al(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(3), one Al(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(2), one Al(1), and one P(1) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(2), and two equivalent Al(1) atoms. In the second F site, F(2) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(2), one Na(3), and one Al(1) atom. is represented by the CIF file [CIF]
data_Na3Al2P2O8F3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.885
_cell_length_b   6.885
_cell_length_c   8.857
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   99.714
_symmetry_Int_Tables_number   1
_cell_volume   413.828
_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  0.525  0.525  0.989  1.0
  Na  Na1  1  0.761  0.761  0.222  1.0
  Na  Na2  1  0.111  0.111  0.356  1.0
  Na  Na3  1  0.239  0.239  0.722  1.0
  Na  Na4  1  0.475  0.475  0.489  1.0
  Na  Na5  1  0.889  0.889  0.856  1.0
  Al  Al6  1  0.426  0.066  0.004  1.0
  Al  Al7  1  0.066  0.426  0.004  1.0
  Al  Al8  1  0.934  0.574  0.504  1.0
  Al  Al9  1  0.574  0.934  0.504  1.0
  P  P10  1  0.748  0.251  0.248  1.0
  P  P11  1  0.251  0.748  0.248  1.0
  P  P12  1  0.252  0.749  0.748  1.0
  P  P13  1  0.749  0.252  0.748  1.0
  O  O14  1  0.565  0.242  0.148  1.0
  O  O15  1  0.737  0.064  0.348  1.0
  O  O16  1  0.937  0.258  0.154  1.0
  O  O17  1  0.762  0.439  0.348  1.0
  O  O18  1  0.242  0.565  0.148  1.0
  O  O19  1  0.064  0.737  0.348  1.0
  O  O20  1  0.258  0.937  0.154  1.0
  O  O21  1  0.439  0.762  0.348  1.0
  O  O22  1  0.063  0.742  0.654  1.0
  O  O23  1  0.238  0.561  0.848  1.0
  O  O24  1  0.435  0.758  0.648  1.0
  O  O25  1  0.263  0.936  0.848  1.0
  O  O26  1  0.742  0.063  0.654  1.0
  O  O27  1  0.561  0.238  0.848  1.0
  O  O28  1  0.758  0.435  0.648  1.0
  O  O29  1  0.936  0.263  0.848  1.0
  F  F30  1  0.250  0.250  0.996  1.0
  F  F31  1  0.599  0.888  0.004  1.0
  F  F32  1  0.888  0.599  0.004  1.0
  F  F33  1  0.750  0.750  0.496  1.0
  F  F34  1  0.112  0.401  0.504  1.0
  F  F35  1  0.401  0.112  0.504  1.0
[/CIF]
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The crystal structure described by Na3Al2P2O8F3 crystallizes in the orthorhombic Cmc2_1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to two equivalent O(1), two equivalent O(4), one F(1), and two equivalent F(2) atoms. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to two equivalent O(2), two equivalent O(4), one F(1), and two equivalent F(2) atoms. In the third Na site, Na(3) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent F(2) atoms to form distorted NaO4F2 pentagonal pyramids that share corners with six equivalent Al(1)O4F2 octahedra and edges with two equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-57°. Al(1) is bonded to one O(1), one O(2), one O(3), one O(4), one F(1), and one F(2) atom to form AlO4F2 octahedra that share  a cornercorner with one Al(1)O4F2 octahedra, corners with three equivalent Na(3)O4F2 pentagonal pyramids, and corners with four equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 5°. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with four equivalent Al(1)O4F2 octahedra and  an edgeedge with one Na(3)O4F2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 42-45°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Al(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(3), one Al(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(2), one Al(1), and one P(1) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(2), and two equivalent Al(1) atoms. In the second F site, F(2) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(2), one Na(3), and one Al(1) atom. is represented by the CIF file [CIF]
data_Na3Al2P2O8F3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.885
_cell_length_b   6.885
_cell_length_c   8.857
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   99.714
_symmetry_Int_Tables_number   1
_cell_volume   413.828
_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  0.525  0.525  0.989  1.0
  Na  Na1  1  0.761  0.761  0.222  1.0
  Na  Na2  1  0.111  0.111  0.356  1.0
  Na  Na3  1  0.239  0.239  0.722  1.0
  Na  Na4  1  0.475  0.475  0.489  1.0
  Na  Na5  1  0.889  0.889  0.856  1.0
  Al  Al6  1  0.426  0.066  0.004  1.0
  Al  Al7  1  0.066  0.426  0.004  1.0
  Al  Al8  1  0.934  0.574  0.504  1.0
  Al  Al9  1  0.574  0.934  0.504  1.0
  P  P10  1  0.748  0.251  0.248  1.0
  P  P11  1  0.251  0.748  0.248  1.0
  P  P12  1  0.252  0.749  0.748  1.0
  P  P13  1  0.749  0.252  0.748  1.0
  O  O14  1  0.565  0.242  0.148  1.0
  O  O15  1  0.737  0.064  0.348  1.0
  O  O16  1  0.937  0.258  0.154  1.0
  O  O17  1  0.762  0.439  0.348  1.0
  O  O18  1  0.242  0.565  0.148  1.0
  O  O19  1  0.064  0.737  0.348  1.0
  O  O20  1  0.258  0.937  0.154  1.0
  O  O21  1  0.439  0.762  0.348  1.0
  O  O22  1  0.063  0.742  0.654  1.0
  O  O23  1  0.238  0.561  0.848  1.0
  O  O24  1  0.435  0.758  0.648  1.0
  O  O25  1  0.263  0.936  0.848  1.0
  O  O26  1  0.742  0.063  0.654  1.0
  O  O27  1  0.561  0.238  0.848  1.0
  O  O28  1  0.758  0.435  0.648  1.0
  O  O29  1  0.936  0.263  0.848  1.0
  F  F30  1  0.250  0.250  0.996  1.0
  F  F31  1  0.599  0.888  0.004  1.0
  F  F32  1  0.888  0.599  0.004  1.0
  F  F33  1  0.750  0.750  0.496  1.0
  F  F34  1  0.112  0.401  0.504  1.0
  F  F35  1  0.401  0.112  0.504  1.0
[/CIF]
.