The structure described by MgV4O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(7), one F(1), one F(4), and one F(5) atom to form distorted MgO3F3 octahedra that share  a cornercorner with one V(4)O3F3 octahedra. The corner-sharing octahedral tilt angles are 66°. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(7), one F(2), and one F(3) atom. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(7), and one F(4) atom. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(6), one F(1), one F(4), and one F(5) atom. In the fourth V site, V(4) is bonded to one O(2), one O(5), one O(6), one F(2), one F(3), and one F(5) atom to form VO3F3 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles are 66°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one V(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mg(1), one V(2), and one V(3) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the fifth O site, O(5) is bonded in a linear geometry to one V(3) and one V(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(3) and one V(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one V(1), and one V(2) atom. There are five inequivalent F sites. In the first F site, F(1) is bonded in a water-like geometry to one Mg(1) and one V(3) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one Mg(1), one V(2), and one V(3) atom. In the fifth F site, F(5) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one V(3), and one V(4) atom. is represented by the CIF file [CIF]
data_MgV4O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.237
_cell_length_b   5.304
_cell_length_c   8.972
_cell_angle_alpha   73.976
_cell_angle_beta   89.683
_cell_angle_gamma   63.558
_symmetry_Int_Tables_number   1
_cell_volume   212.477
_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
  Mg  Mg0  1  0.815  0.397  0.602  1.0
  V  V1  1  0.654  0.533  0.239  1.0
  V  V2  1  0.428  0.028  0.482  1.0
  V  V3  1  0.273  0.521  0.770  1.0
  V  V4  1  0.969  0.002  0.002  1.0
  O  O5  1  0.569  0.711  0.389  1.0
  O  O6  1  0.388  0.784  0.091  1.0
  O  O7  1  0.479  0.712  0.670  1.0
  O  O8  1  0.554  0.263  0.317  1.0
  O  O9  1  0.620  0.227  0.915  1.0
  O  O10  1  0.071  0.716  0.887  1.0
  O  O11  1  0.067  0.221  0.446  1.0
  F  F12  1  0.996  0.676  0.583  1.0
  F  F13  1  0.910  0.743  0.179  1.0
  F  F14  1  0.938  0.279  0.126  1.0
  F  F15  1  0.546  0.209  0.621  1.0
  F  F16  1  0.096  0.227  0.809  1.0
[/CIF]
.
The structure described by MgV4O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(7), one F(1), one F(4), and one F(5) atom to form distorted MgO3F3 octahedra that share  a cornercorner with one V(4)O3F3 octahedra. The corner-sharing octahedral tilt angles are 66°. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(7), one F(2), and one F(3) atom. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(7), and one F(4) atom. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(6), one F(1), one F(4), and one F(5) atom. In the fourth V site, V(4) is bonded to one O(2), one O(5), one O(6), one F(2), one F(3), and one F(5) atom to form VO3F3 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles are 66°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one V(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mg(1), one V(2), and one V(3) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the fifth O site, O(5) is bonded in a linear geometry to one V(3) and one V(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(3) and one V(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one V(1), and one V(2) atom. There are five inequivalent F sites. In the first F site, F(1) is bonded in a water-like geometry to one Mg(1) and one V(3) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one Mg(1), one V(2), and one V(3) atom. In the fifth F site, F(5) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one V(3), and one V(4) atom. is represented by the CIF file [CIF]
data_MgV4O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.237
_cell_length_b   5.304
_cell_length_c   8.972
_cell_angle_alpha   73.976
_cell_angle_beta   89.683
_cell_angle_gamma   63.558
_symmetry_Int_Tables_number   1
_cell_volume   212.477
_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
  Mg  Mg0  1  0.815  0.397  0.602  1.0
  V  V1  1  0.654  0.533  0.239  1.0
  V  V2  1  0.428  0.028  0.482  1.0
  V  V3  1  0.273  0.521  0.770  1.0
  V  V4  1  0.969  0.002  0.002  1.0
  O  O5  1  0.569  0.711  0.389  1.0
  O  O6  1  0.388  0.784  0.091  1.0
  O  O7  1  0.479  0.712  0.670  1.0
  O  O8  1  0.554  0.263  0.317  1.0
  O  O9  1  0.620  0.227  0.915  1.0
  O  O10  1  0.071  0.716  0.887  1.0
  O  O11  1  0.067  0.221  0.446  1.0
  F  F12  1  0.996  0.676  0.583  1.0
  F  F13  1  0.910  0.743  0.179  1.0
  F  F14  1  0.938  0.279  0.126  1.0
  F  F15  1  0.546  0.209  0.621  1.0
  F  F16  1  0.096  0.227  0.809  1.0
[/CIF]
.