The material structure described by NaMgV2Bi3O10 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(4), one O(8), and one O(9) atom. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(5) atom to form distorted MgO5 trigonal bipyramids that share corners with two equivalent V(2)O4 tetrahedra,  an edgeedge with one Bi(1)O5 square pyramid, and  an edgeedge with one V(1)O4 tetrahedra. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(5), one O(7), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one Bi(1)O5 square pyramid and  an edgeedge with one Mg(1)O5 trigonal bipyramid. In the second V site, V(2) is bonded to one O(1), one O(3), one O(6), and one O(8) atom to form VO4 tetrahedra that share corners with two equivalent Bi(1)O5 square pyramids and corners with two equivalent Mg(1)O5 trigonal bipyramids. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), one O(10), one O(4), one O(6), and one O(7) atom to form distorted BiO5 square pyramids that share  a cornercorner with one V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. In the second Bi site, Bi(2) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(2), and one O(8) atom. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(10), one O(4), one O(6), one O(7), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(2), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded to one Na(1), one Mg(1), one V(1), and one Bi(2) atom to form distorted ONaMgVBi trigonal pyramids that share  an edgeedge with one O(10)NaBi3 tetrahedra and  an edgeedge with one O(4)NaMgBi2 trigonal pyramid. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mg(1) and one V(2) atom. In the fourth O site, O(4) is bonded to one Na(1), one Mg(1), one Bi(1), and one Bi(3) atom to form distorted ONaMgBi2 trigonal pyramids that share  a cornercorner with one O(10)NaBi3 tetrahedra,  an edgeedge with one O(10)NaBi3 tetrahedra, and  an edgeedge with one O(2)NaMgVBi trigonal pyramid. In the fifth O site, O(5) is bonded in a water-like geometry to one Mg(1) and one V(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(2), one Bi(1), and one Bi(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(1), one Bi(1), and one Bi(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one V(2), and one Bi(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one V(1), and one Bi(3) atom. In the tenth O site, O(10) is bonded to one Na(1), one Bi(1), one Bi(2), and one Bi(3) atom to form ONaBi3 tetrahedra that share  a cornercorner with one O(4)NaMgBi2 trigonal pyramid,  an edgeedge with one O(4)NaMgBi2 trigonal pyramid, and  an edgeedge with one O(2)NaMgVBi trigonal pyramid. is represented by the CIF file [CIF]
data_NaMgV2Bi3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.071
_cell_length_b   7.105
_cell_length_c   8.296
_cell_angle_alpha   111.108
_cell_angle_beta   119.993
_cell_angle_gamma   83.743
_symmetry_Int_Tables_number   1
_cell_volume   288.003
_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  0.980  0.551  0.104  1.0
  Mg  Mg1  1  0.033  0.238  0.360  1.0
  V  V2  1  0.313  0.618  0.688  1.0
  V  V3  1  0.612  0.944  0.406  1.0
  Bi  Bi4  1  0.047  1.000  0.950  1.0
  Bi  Bi5  1  0.533  0.406  0.354  1.0
  Bi  Bi6  1  0.446  0.204  0.815  1.0
  O  O7  1  0.329  0.108  0.331  1.0
  O  O8  1  0.234  0.527  0.420  1.0
  O  O9  1  0.824  0.042  0.366  1.0
  O  O10  1  0.812  0.221  0.075  1.0
  O  O11  1  0.066  0.440  0.623  1.0
  O  O12  1  0.700  0.023  0.678  1.0
  O  O13  1  0.282  0.889  0.783  1.0
  O  O14  1  0.504  0.683  0.278  1.0
  O  O15  1  0.590  0.511  0.834  1.0
  O  O16  1  0.260  0.276  0.033  1.0
[/CIF]
.
The material structure described by NaMgV2Bi3O10 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(4), one O(8), and one O(9) atom. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(5) atom to form distorted MgO5 trigonal bipyramids that share corners with two equivalent V(2)O4 tetrahedra,  an edgeedge with one Bi(1)O5 square pyramid, and  an edgeedge with one V(1)O4 tetrahedra. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(5), one O(7), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one Bi(1)O5 square pyramid and  an edgeedge with one Mg(1)O5 trigonal bipyramid. In the second V site, V(2) is bonded to one O(1), one O(3), one O(6), and one O(8) atom to form VO4 tetrahedra that share corners with two equivalent Bi(1)O5 square pyramids and corners with two equivalent Mg(1)O5 trigonal bipyramids. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), one O(10), one O(4), one O(6), and one O(7) atom to form distorted BiO5 square pyramids that share  a cornercorner with one V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. In the second Bi site, Bi(2) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(2), and one O(8) atom. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(10), one O(4), one O(6), one O(7), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(2), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded to one Na(1), one Mg(1), one V(1), and one Bi(2) atom to form distorted ONaMgVBi trigonal pyramids that share  an edgeedge with one O(10)NaBi3 tetrahedra and  an edgeedge with one O(4)NaMgBi2 trigonal pyramid. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mg(1) and one V(2) atom. In the fourth O site, O(4) is bonded to one Na(1), one Mg(1), one Bi(1), and one Bi(3) atom to form distorted ONaMgBi2 trigonal pyramids that share  a cornercorner with one O(10)NaBi3 tetrahedra,  an edgeedge with one O(10)NaBi3 tetrahedra, and  an edgeedge with one O(2)NaMgVBi trigonal pyramid. In the fifth O site, O(5) is bonded in a water-like geometry to one Mg(1) and one V(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(2), one Bi(1), and one Bi(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(1), one Bi(1), and one Bi(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one V(2), and one Bi(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one V(1), and one Bi(3) atom. In the tenth O site, O(10) is bonded to one Na(1), one Bi(1), one Bi(2), and one Bi(3) atom to form ONaBi3 tetrahedra that share  a cornercorner with one O(4)NaMgBi2 trigonal pyramid,  an edgeedge with one O(4)NaMgBi2 trigonal pyramid, and  an edgeedge with one O(2)NaMgVBi trigonal pyramid. is represented by the CIF file [CIF]
data_NaMgV2Bi3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.071
_cell_length_b   7.105
_cell_length_c   8.296
_cell_angle_alpha   111.108
_cell_angle_beta   119.993
_cell_angle_gamma   83.743
_symmetry_Int_Tables_number   1
_cell_volume   288.003
_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  0.980  0.551  0.104  1.0
  Mg  Mg1  1  0.033  0.238  0.360  1.0
  V  V2  1  0.313  0.618  0.688  1.0
  V  V3  1  0.612  0.944  0.406  1.0
  Bi  Bi4  1  0.047  1.000  0.950  1.0
  Bi  Bi5  1  0.533  0.406  0.354  1.0
  Bi  Bi6  1  0.446  0.204  0.815  1.0
  O  O7  1  0.329  0.108  0.331  1.0
  O  O8  1  0.234  0.527  0.420  1.0
  O  O9  1  0.824  0.042  0.366  1.0
  O  O10  1  0.812  0.221  0.075  1.0
  O  O11  1  0.066  0.440  0.623  1.0
  O  O12  1  0.700  0.023  0.678  1.0
  O  O13  1  0.282  0.889  0.783  1.0
  O  O14  1  0.504  0.683  0.278  1.0
  O  O15  1  0.590  0.511  0.834  1.0
  O  O16  1  0.260  0.276  0.033  1.0
[/CIF]
.