The crystal structure described by MgV2Bi4O11 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(5), and one O(6) atom. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(5), one O(8), and one O(9) atom to form corner-sharing VO4 tetrahedra. In the second V site, V(2) is bonded to one O(10), one O(11), one O(3), one O(4), and one O(8) atom to form corner-sharing VO5 square pyramids. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(2), one O(4), one O(7), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(7) atom. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and one O(9) atom. In the fourth Bi site, Bi(4) is bonded in a 3-coordinate geometry to one O(1), one O(10), one O(2), one O(6), and one O(7) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom. In the second O site, O(2) is bonded in a tetrahedral geometry to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one V(2), one Bi(1), one Bi(2), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Mg(1), one V(1), and one Bi(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one Bi(2), one Bi(3), and one Bi(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Bi(1), one Bi(2), and one Bi(4) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one V(1) and one V(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one V(1), one Bi(1), and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(2), and one Bi(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Mg(1), one V(2), and one Bi(1) atom. is represented by the CIF file [CIF]
data_MgV2Bi4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.811
_cell_length_b   6.189
_cell_length_c   8.173
_cell_angle_alpha   81.432
_cell_angle_beta   104.146
_cell_angle_gamma   86.371
_symmetry_Int_Tables_number   1
_cell_volume   280.287
_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  0.759  0.789  0.809  1.0
  V  V1  1  0.497  0.453  0.016  1.0
  V  V2  1  0.037  0.052  0.033  1.0
  Bi  Bi3  1  0.114  0.447  0.277  1.0
  Bi  Bi4  1  0.234  0.934  0.545  1.0
  Bi  Bi5  1  0.657  0.891  0.297  1.0
  Bi  Bi6  1  0.757  0.347  0.599  1.0
  O  O7  1  0.993  0.660  0.439  1.0
  O  O8  1  0.878  0.190  0.410  1.0
  O  O9  1  0.250  0.307  0.984  1.0
  O  O10  1  0.239  0.010  0.271  1.0
  O  O11  1  0.460  0.671  0.847  1.0
  O  O12  1  0.608  0.791  0.553  1.0
  O  O13  1  0.392  0.275  0.528  1.0
  O  O14  1  0.763  0.286  0.035  1.0
  O  O15  1  0.497  0.562  0.207  1.0
  O  O16  1  0.924  0.053  0.782  1.0
  O  O17  1  0.915  0.774  0.060  1.0
[/CIF]
.
The crystal structure described by MgV2Bi4O11 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(5), and one O(6) atom. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(5), one O(8), and one O(9) atom to form corner-sharing VO4 tetrahedra. In the second V site, V(2) is bonded to one O(10), one O(11), one O(3), one O(4), and one O(8) atom to form corner-sharing VO5 square pyramids. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(2), one O(4), one O(7), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(7) atom. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and one O(9) atom. In the fourth Bi site, Bi(4) is bonded in a 3-coordinate geometry to one O(1), one O(10), one O(2), one O(6), and one O(7) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom. In the second O site, O(2) is bonded in a tetrahedral geometry to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one V(2), one Bi(1), one Bi(2), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Mg(1), one V(1), and one Bi(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one Bi(2), one Bi(3), and one Bi(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Bi(1), one Bi(2), and one Bi(4) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one V(1) and one V(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one V(1), one Bi(1), and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(2), and one Bi(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Mg(1), one V(2), and one Bi(1) atom. is represented by the CIF file [CIF]
data_MgV2Bi4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.811
_cell_length_b   6.189
_cell_length_c   8.173
_cell_angle_alpha   81.432
_cell_angle_beta   104.146
_cell_angle_gamma   86.371
_symmetry_Int_Tables_number   1
_cell_volume   280.287
_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  0.759  0.789  0.809  1.0
  V  V1  1  0.497  0.453  0.016  1.0
  V  V2  1  0.037  0.052  0.033  1.0
  Bi  Bi3  1  0.114  0.447  0.277  1.0
  Bi  Bi4  1  0.234  0.934  0.545  1.0
  Bi  Bi5  1  0.657  0.891  0.297  1.0
  Bi  Bi6  1  0.757  0.347  0.599  1.0
  O  O7  1  0.993  0.660  0.439  1.0
  O  O8  1  0.878  0.190  0.410  1.0
  O  O9  1  0.250  0.307  0.984  1.0
  O  O10  1  0.239  0.010  0.271  1.0
  O  O11  1  0.460  0.671  0.847  1.0
  O  O12  1  0.608  0.791  0.553  1.0
  O  O13  1  0.392  0.275  0.528  1.0
  O  O14  1  0.763  0.286  0.035  1.0
  O  O15  1  0.497  0.562  0.207  1.0
  O  O16  1  0.924  0.053  0.782  1.0
  O  O17  1  0.915  0.774  0.060  1.0
[/CIF]
.