The structure described by Na2MgV2(OF)4 crystallizes in the triclinic P1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(2), one F(1), two equivalent F(2), and two equivalent F(3) atoms to form distorted NaOF5 octahedra that share corners with two equivalent V(2)O4F2 octahedra, corners with four equivalent V(1)O4F2 octahedra, edges with two equivalent Na(1)OF5 octahedra, edges with two equivalent Na(2)OF5 octahedra, and edges with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 14-60°. In the second Na site, Na(2) is bonded to one O(1), one F(2), two equivalent F(1), and two equivalent F(4) atoms to form distorted NaOF5 octahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with four equivalent V(2)O4F2 octahedra,  a cornercorner with one Mg(1)O4F trigonal bipyramid, edges with two equivalent Na(1)OF5 octahedra, and edges with two equivalent Na(2)OF5 octahedra. The corner-sharing octahedral tilt angles range from 14-59°. Mg(1) is bonded to one O(1), one O(4), two equivalent O(2), and one F(3) atom to form distorted MgO4F trigonal bipyramids that share  a cornercorner with one Na(2)OF5 octahedra,  a cornercorner with one V(1)O4F2 octahedra, corners with two equivalent Mg(1)O4F trigonal bipyramids,  an edgeedge with one V(1)O4F2 octahedra, edges with two equivalent Na(1)OF5 octahedra, and edges with two equivalent V(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 27-91°. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(4), two equivalent O(3), one F(2), and one F(3) atom to form distorted VO4F2 octahedra that share corners with two equivalent Na(2)OF5 octahedra, corners with two equivalent V(1)O4F2 octahedra, corners with four equivalent Na(1)OF5 octahedra,  a cornercorner with one Mg(1)O4F trigonal bipyramid, edges with two equivalent V(2)O4F2 octahedra, and  an edgeedge with one Mg(1)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-60°. In the second V site, V(2) is bonded to one O(2), one O(3), two equivalent O(4), one F(1), and one F(4) atom to form VO4F2 octahedra that share corners with two equivalent Na(1)OF5 octahedra, corners with two equivalent V(2)O4F2 octahedra, corners with four equivalent Na(2)OF5 octahedra, edges with two equivalent V(1)O4F2 octahedra, and edges with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 14-59°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Na(2), one Mg(1), and one V(1) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Na(1), two equivalent Mg(1), and one V(2) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one V(2) and two equivalent V(1) atoms. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(1), and two equivalent V(2) atoms. There are four inequivalent F sites. In the first F site, F(1) is bonded to one Na(1), two equivalent Na(2), and one V(2) atom to form distorted FNa3V trigonal pyramids that share corners with two equivalent F(3)Na2MgV trigonal pyramids, corners with two equivalent F(1)Na3V trigonal pyramids, and edges with two equivalent F(2)Na3V trigonal pyramids. In the second F site, F(2) is bonded to one Na(2), two equivalent Na(1), and one V(1) atom to form distorted FNa3V trigonal pyramids that share corners with two equivalent F(2)Na3V trigonal pyramids, corners with three equivalent F(3)Na2MgV trigonal pyramids,  an edgeedge with one F(3)Na2MgV trigonal pyramid, and edges with two equivalent F(1)Na3V trigonal pyramids. In the third F site, F(3) is bonded to two equivalent Na(1), one Mg(1), and one V(1) atom to form FNa2MgV trigonal pyramids that share corners with two equivalent F(3)Na2MgV trigonal pyramids, corners with two equivalent F(1)Na3V trigonal pyramids, corners with three equivalent F(2)Na3V trigonal pyramids, and  an edgeedge with one F(2)Na3V trigonal pyramid. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to two equivalent Na(2) and one V(2) atom. is represented by the CIF card [CIF]
data_Na2MgV2(OF)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.827
_cell_length_b   6.697
_cell_length_c   6.917
_cell_angle_alpha   106.121
_cell_angle_beta   90.006
_cell_angle_gamma   89.897
_symmetry_Int_Tables_number   1
_cell_volume   170.308
_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  0.262  0.405  0.796  1.0
  Na  Na1  1  0.757  0.589  0.205  1.0
  Mg  Mg2  1  0.760  0.063  0.462  1.0
  V  V3  1  0.760  0.892  0.814  1.0
  V  V4  1  0.258  0.092  0.166  1.0
  O  O5  1  0.759  0.802  0.559  1.0
  O  O6  1  0.259  0.188  0.439  1.0
  O  O7  1  0.259  0.940  0.884  1.0
  O  O8  1  0.758  0.054  0.141  1.0
  F  F9  1  0.258  0.368  0.122  1.0
  F  F10  1  0.762  0.622  0.869  1.0
  F  F11  1  0.760  0.185  0.761  1.0
  F  F12  1  0.258  0.811  0.226  1.0
[/CIF]
.
The structure described by Na2MgV2(OF)4 crystallizes in the triclinic P1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(2), one F(1), two equivalent F(2), and two equivalent F(3) atoms to form distorted NaOF5 octahedra that share corners with two equivalent V(2)O4F2 octahedra, corners with four equivalent V(1)O4F2 octahedra, edges with two equivalent Na(1)OF5 octahedra, edges with two equivalent Na(2)OF5 octahedra, and edges with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 14-60°. In the second Na site, Na(2) is bonded to one O(1), one F(2), two equivalent F(1), and two equivalent F(4) atoms to form distorted NaOF5 octahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with four equivalent V(2)O4F2 octahedra,  a cornercorner with one Mg(1)O4F trigonal bipyramid, edges with two equivalent Na(1)OF5 octahedra, and edges with two equivalent Na(2)OF5 octahedra. The corner-sharing octahedral tilt angles range from 14-59°. Mg(1) is bonded to one O(1), one O(4), two equivalent O(2), and one F(3) atom to form distorted MgO4F trigonal bipyramids that share  a cornercorner with one Na(2)OF5 octahedra,  a cornercorner with one V(1)O4F2 octahedra, corners with two equivalent Mg(1)O4F trigonal bipyramids,  an edgeedge with one V(1)O4F2 octahedra, edges with two equivalent Na(1)OF5 octahedra, and edges with two equivalent V(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 27-91°. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(4), two equivalent O(3), one F(2), and one F(3) atom to form distorted VO4F2 octahedra that share corners with two equivalent Na(2)OF5 octahedra, corners with two equivalent V(1)O4F2 octahedra, corners with four equivalent Na(1)OF5 octahedra,  a cornercorner with one Mg(1)O4F trigonal bipyramid, edges with two equivalent V(2)O4F2 octahedra, and  an edgeedge with one Mg(1)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-60°. In the second V site, V(2) is bonded to one O(2), one O(3), two equivalent O(4), one F(1), and one F(4) atom to form VO4F2 octahedra that share corners with two equivalent Na(1)OF5 octahedra, corners with two equivalent V(2)O4F2 octahedra, corners with four equivalent Na(2)OF5 octahedra, edges with two equivalent V(1)O4F2 octahedra, and edges with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 14-59°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Na(2), one Mg(1), and one V(1) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Na(1), two equivalent Mg(1), and one V(2) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one V(2) and two equivalent V(1) atoms. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(1), and two equivalent V(2) atoms. There are four inequivalent F sites. In the first F site, F(1) is bonded to one Na(1), two equivalent Na(2), and one V(2) atom to form distorted FNa3V trigonal pyramids that share corners with two equivalent F(3)Na2MgV trigonal pyramids, corners with two equivalent F(1)Na3V trigonal pyramids, and edges with two equivalent F(2)Na3V trigonal pyramids. In the second F site, F(2) is bonded to one Na(2), two equivalent Na(1), and one V(1) atom to form distorted FNa3V trigonal pyramids that share corners with two equivalent F(2)Na3V trigonal pyramids, corners with three equivalent F(3)Na2MgV trigonal pyramids,  an edgeedge with one F(3)Na2MgV trigonal pyramid, and edges with two equivalent F(1)Na3V trigonal pyramids. In the third F site, F(3) is bonded to two equivalent Na(1), one Mg(1), and one V(1) atom to form FNa2MgV trigonal pyramids that share corners with two equivalent F(3)Na2MgV trigonal pyramids, corners with two equivalent F(1)Na3V trigonal pyramids, corners with three equivalent F(2)Na3V trigonal pyramids, and  an edgeedge with one F(2)Na3V trigonal pyramid. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to two equivalent Na(2) and one V(2) atom. is represented by the CIF card [CIF]
data_Na2MgV2(OF)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.827
_cell_length_b   6.697
_cell_length_c   6.917
_cell_angle_alpha   106.121
_cell_angle_beta   90.006
_cell_angle_gamma   89.897
_symmetry_Int_Tables_number   1
_cell_volume   170.308
_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  0.262  0.405  0.796  1.0
  Na  Na1  1  0.757  0.589  0.205  1.0
  Mg  Mg2  1  0.760  0.063  0.462  1.0
  V  V3  1  0.760  0.892  0.814  1.0
  V  V4  1  0.258  0.092  0.166  1.0
  O  O5  1  0.759  0.802  0.559  1.0
  O  O6  1  0.259  0.188  0.439  1.0
  O  O7  1  0.259  0.940  0.884  1.0
  O  O8  1  0.758  0.054  0.141  1.0
  F  F9  1  0.258  0.368  0.122  1.0
  F  F10  1  0.762  0.622  0.869  1.0
  F  F11  1  0.760  0.185  0.761  1.0
  F  F12  1  0.258  0.811  0.226  1.0
[/CIF]
.