The structure described by NaMgV2Bi3O10 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom. Mg(1) is bonded to one O(10), one O(5), one O(6), and one O(9) atom to form distorted MgO4 trigonal pyramids that share corners with two equivalent Bi(2)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra, and  an edgeedge with one Bi(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 29-84°. 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 corners with two equivalent Bi(2)O6 octahedra,  a cornercorner with one Bi(1)O5 square pyramid, and corners with two equivalent Mg(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 43-68°. 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(2)O6 octahedra, corners with two equivalent Bi(1)O5 square pyramids, and  a cornercorner with one Mg(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 37-65°. 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 Bi(2)O6 octahedra,  a cornercorner with one V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra,  an edgeedge with one Bi(2)O6 octahedra, and  an edgeedge with one Mg(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 37°. In the second Bi site, Bi(2) is bonded to one O(1), one O(10), one O(2), one O(4), one O(5), and one O(8) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(1)O5 square pyramid, corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, corners with two equivalent Mg(1)O4 trigonal pyramids, and  an edgeedge with one Bi(1)O5 square pyramid. 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 trigonal non-coplanar geometry to one V(2), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Na(1), one V(1), and one Bi(2) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Na(1) and one V(2) atom. In the fourth O site, O(4) is bonded to one Na(1), one Bi(1), one Bi(2), and one Bi(3) atom to form distorted edge-sharing ONaBi3 tetrahedra. In the fifth O site, O(5) is bonded in a distorted bent 150 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 distorted rectangular see-saw-like geometry to one Mg(1), one V(2), one Bi(1), and one Bi(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one V(1), one Bi(1), and one Bi(3) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Na(1), one V(2), and one Bi(2) atom. In the ninth O site, O(9) is bonded to one Na(1), one Mg(1), one V(1), and one Bi(3) atom to form distorted edge-sharing ONaMgVBi tetrahedra. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Na(1), one Mg(1), one Bi(1), one Bi(2), and one Bi(3) atom. is represented by the CIF file [CIF]
data_NaMgV2Bi3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.711
_cell_length_b   7.341
_cell_length_c   8.150
_cell_angle_alpha   113.533
_cell_angle_beta   118.449
_cell_angle_gamma   82.468
_symmetry_Int_Tables_number   1
_cell_volume   274.702
_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  0.920  0.596  0.181  1.0
  Mg  Mg1  1  0.870  0.349  0.773  1.0
  V  V2  1  0.285  0.603  0.678  1.0
  V  V3  1  0.654  0.925  0.380  1.0
  Bi  Bi4  1  0.032  0.014  0.987  1.0
  Bi  Bi5  1  0.565  0.383  0.299  1.0
  Bi  Bi6  1  0.385  0.169  0.755  1.0
  O  O7  1  0.393  0.101  0.284  1.0
  O  O8  1  0.281  0.538  0.445  1.0
  O  O9  1  0.936  0.961  0.371  1.0
  O  O10  1  0.725  0.229  0.055  1.0
  O  O11  1  0.016  0.457  0.656  1.0
  O  O12  1  0.717  0.063  0.661  1.0
  O  O13  1  0.289  0.865  0.816  1.0
  O  O14  1  0.527  0.672  0.255  1.0
  O  O15  1  0.570  0.470  0.818  1.0
  O  O16  1  0.176  0.287  0.999  1.0
[/CIF]
.
The structure described by NaMgV2Bi3O10 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom. Mg(1) is bonded to one O(10), one O(5), one O(6), and one O(9) atom to form distorted MgO4 trigonal pyramids that share corners with two equivalent Bi(2)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra, and  an edgeedge with one Bi(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 29-84°. 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 corners with two equivalent Bi(2)O6 octahedra,  a cornercorner with one Bi(1)O5 square pyramid, and corners with two equivalent Mg(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 43-68°. 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(2)O6 octahedra, corners with two equivalent Bi(1)O5 square pyramids, and  a cornercorner with one Mg(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 37-65°. 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 Bi(2)O6 octahedra,  a cornercorner with one V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra,  an edgeedge with one Bi(2)O6 octahedra, and  an edgeedge with one Mg(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 37°. In the second Bi site, Bi(2) is bonded to one O(1), one O(10), one O(2), one O(4), one O(5), and one O(8) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(1)O5 square pyramid, corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, corners with two equivalent Mg(1)O4 trigonal pyramids, and  an edgeedge with one Bi(1)O5 square pyramid. 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 trigonal non-coplanar geometry to one V(2), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Na(1), one V(1), and one Bi(2) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Na(1) and one V(2) atom. In the fourth O site, O(4) is bonded to one Na(1), one Bi(1), one Bi(2), and one Bi(3) atom to form distorted edge-sharing ONaBi3 tetrahedra. In the fifth O site, O(5) is bonded in a distorted bent 150 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 distorted rectangular see-saw-like geometry to one Mg(1), one V(2), one Bi(1), and one Bi(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one V(1), one Bi(1), and one Bi(3) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Na(1), one V(2), and one Bi(2) atom. In the ninth O site, O(9) is bonded to one Na(1), one Mg(1), one V(1), and one Bi(3) atom to form distorted edge-sharing ONaMgVBi tetrahedra. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Na(1), one Mg(1), one Bi(1), one Bi(2), and one Bi(3) atom. is represented by the CIF file [CIF]
data_NaMgV2Bi3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.711
_cell_length_b   7.341
_cell_length_c   8.150
_cell_angle_alpha   113.533
_cell_angle_beta   118.449
_cell_angle_gamma   82.468
_symmetry_Int_Tables_number   1
_cell_volume   274.702
_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  0.920  0.596  0.181  1.0
  Mg  Mg1  1  0.870  0.349  0.773  1.0
  V  V2  1  0.285  0.603  0.678  1.0
  V  V3  1  0.654  0.925  0.380  1.0
  Bi  Bi4  1  0.032  0.014  0.987  1.0
  Bi  Bi5  1  0.565  0.383  0.299  1.0
  Bi  Bi6  1  0.385  0.169  0.755  1.0
  O  O7  1  0.393  0.101  0.284  1.0
  O  O8  1  0.281  0.538  0.445  1.0
  O  O9  1  0.936  0.961  0.371  1.0
  O  O10  1  0.725  0.229  0.055  1.0
  O  O11  1  0.016  0.457  0.656  1.0
  O  O12  1  0.717  0.063  0.661  1.0
  O  O13  1  0.289  0.865  0.816  1.0
  O  O14  1  0.527  0.672  0.255  1.0
  O  O15  1  0.570  0.470  0.818  1.0
  O  O16  1  0.176  0.287  0.999  1.0
[/CIF]
.