The crystal structure described by MgV4O10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded in a 7-coordinate geometry to one O(1), one O(4), one O(9), two equivalent O(3), and two equivalent O(8) atoms. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(10), one O(3), one O(5), one O(8), and two equivalent O(1) atoms. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(4), one O(6), one O(7), one O(9), and two equivalent O(2) atoms. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(3), one O(5), and two equivalent O(7) atoms. In the fourth V site, V(4) is bonded in a 6-coordinate geometry to one O(1), one O(4), one O(6), one O(7), and two equivalent O(10) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one V(4), and two equivalent V(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(3) and two equivalent V(2) atoms. In the third O site, O(3) is bonded to two equivalent Mg(1), one V(1), and one V(3) atom to form distorted OMg2V2 trigonal pyramids that share corners with two equivalent O(3)Mg2V2 trigonal pyramids and corners with two equivalent O(7)V4 trigonal pyramids. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one V(2), and one V(4) atom. In the fifth O site, O(5) is bonded in a linear geometry to one V(1) and one V(3) atom. In the sixth O site, O(6) is bonded in a linear geometry to one V(2) and one V(4) atom. In the seventh O site, O(7) is bonded to one V(2), one V(4), and two equivalent V(3) atoms to form distorted OV4 trigonal pyramids that share corners with two equivalent O(3)Mg2V2 trigonal pyramids and corners with two equivalent O(7)V4 trigonal pyramids. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to two equivalent Mg(1) and one V(1) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Mg(1) and one V(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one V(1), one V(3), and two equivalent V(4) atoms. is represented by the CIF file [CIF]
data_MgV4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.726
_cell_length_b   6.605
_cell_length_c   7.377
_cell_angle_alpha   89.668
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   181.568
_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  0.250  0.981  0.566  1.0
  V  V1  1  0.750  0.712  0.756  1.0
  V  V2  1  0.250  0.274  0.249  1.0
  V  V3  1  0.750  0.195  0.913  1.0
  V  V4  1  0.250  0.805  0.092  1.0
  O  O5  1  0.250  0.757  0.818  1.0
  O  O6  1  0.750  0.259  0.166  1.0
  O  O7  1  0.750  0.037  0.712  1.0
  O  O8  1  0.250  0.959  0.285  1.0
  O  O9  1  0.750  0.430  0.819  1.0
  O  O10  1  0.250  0.568  0.174  1.0
  O  O11  1  0.250  0.149  0.966  1.0
  O  O12  1  0.750  0.724  0.530  1.0
  O  O13  1  0.250  0.277  0.475  1.0
  O  O14  1  0.750  0.843  0.028  1.0
[/CIF]
.
The crystal structure described by MgV4O10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded in a 7-coordinate geometry to one O(1), one O(4), one O(9), two equivalent O(3), and two equivalent O(8) atoms. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(10), one O(3), one O(5), one O(8), and two equivalent O(1) atoms. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(4), one O(6), one O(7), one O(9), and two equivalent O(2) atoms. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(3), one O(5), and two equivalent O(7) atoms. In the fourth V site, V(4) is bonded in a 6-coordinate geometry to one O(1), one O(4), one O(6), one O(7), and two equivalent O(10) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one V(4), and two equivalent V(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(3) and two equivalent V(2) atoms. In the third O site, O(3) is bonded to two equivalent Mg(1), one V(1), and one V(3) atom to form distorted OMg2V2 trigonal pyramids that share corners with two equivalent O(3)Mg2V2 trigonal pyramids and corners with two equivalent O(7)V4 trigonal pyramids. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one V(2), and one V(4) atom. In the fifth O site, O(5) is bonded in a linear geometry to one V(1) and one V(3) atom. In the sixth O site, O(6) is bonded in a linear geometry to one V(2) and one V(4) atom. In the seventh O site, O(7) is bonded to one V(2), one V(4), and two equivalent V(3) atoms to form distorted OV4 trigonal pyramids that share corners with two equivalent O(3)Mg2V2 trigonal pyramids and corners with two equivalent O(7)V4 trigonal pyramids. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to two equivalent Mg(1) and one V(1) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Mg(1) and one V(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one V(1), one V(3), and two equivalent V(4) atoms. is represented by the CIF file [CIF]
data_MgV4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.726
_cell_length_b   6.605
_cell_length_c   7.377
_cell_angle_alpha   89.668
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   181.568
_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  0.250  0.981  0.566  1.0
  V  V1  1  0.750  0.712  0.756  1.0
  V  V2  1  0.250  0.274  0.249  1.0
  V  V3  1  0.750  0.195  0.913  1.0
  V  V4  1  0.250  0.805  0.092  1.0
  O  O5  1  0.250  0.757  0.818  1.0
  O  O6  1  0.750  0.259  0.166  1.0
  O  O7  1  0.750  0.037  0.712  1.0
  O  O8  1  0.250  0.959  0.285  1.0
  O  O9  1  0.750  0.430  0.819  1.0
  O  O10  1  0.250  0.568  0.174  1.0
  O  O11  1  0.250  0.149  0.966  1.0
  O  O12  1  0.750  0.724  0.530  1.0
  O  O13  1  0.250  0.277  0.475  1.0
  O  O14  1  0.750  0.843  0.028  1.0
[/CIF]
.