The structure described by Na2CaV12O32 crystallizes in the monoclinic Cm space group. Na(1) is bonded to one O(1), one O(2), one O(21), and one O(6) atom to form distorted corner-sharing NaO4 trigonal pyramids. Ca(1) is bonded in a rectangular see-saw-like geometry to one O(20), one O(5), and two equivalent O(3) atoms. There are nine inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(10), one O(13), one O(23), and two equivalent O(18) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(11), one O(14), one O(22), and two equivalent O(18) atoms. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(12), one O(15), one O(16), one O(17), and one O(24) atom. In the fourth V site, V(4) is bonded in a 5-coordinate geometry to one O(1), one O(19), one O(8), and two equivalent O(9) atoms. In the fifth V site, V(5) is bonded in a 5-coordinate geometry to one O(2), one O(20), one O(7), and two equivalent O(9) atoms. In the sixth V site, V(6) is bonded in a 5-coordinate geometry to one O(21), one O(3), one O(7), one O(8), and one O(9) atom. In the seventh V site, V(7) is bonded in a 5-coordinate geometry to one O(14), one O(17), one O(4), and two equivalent O(24) atoms. In the eighth V site, V(8) is bonded in a 5-coordinate geometry to one O(13), one O(16), one O(5), and two equivalent O(24) atoms. In the ninth V site, V(9) is bonded in a 5-coordinate geometry to one O(15), one O(18), one O(22), one O(23), and one O(6) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to two equivalent Na(1) and one V(4) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to two equivalent Na(1) and one V(5) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ca(1) and one V(6) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one V(7) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ca(1) and one V(8) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one V(9) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one V(5) and two equivalent V(6) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one V(4) and two equivalent V(6) atoms. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one V(4), one V(5), and one V(6) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one V(1) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one V(2) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one V(3) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one V(1) and one V(8) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one V(2) and one V(7) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one V(3) and one V(9) atom. In the sixteenth O site, O(16) is bonded in a trigonal non-coplanar geometry to one V(8) and two equivalent V(3) atoms. In the seventeenth O site, O(17) is bonded in a trigonal non-coplanar geometry to one V(7) and two equivalent V(3) atoms. In the eighteenth O site, O(18) is bonded in a trigonal non-coplanar geometry to one V(1), one V(2), and one V(9) atom. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one V(4) atom. In the twentieth O site, O(20) is bonded in a distorted linear geometry to one Ca(1) and one V(5) atom. In the twenty-first O site, O(21) is bonded in a linear geometry to one Na(1) and one V(6) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one V(2) and two equivalent V(9) atoms. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one V(1) and two equivalent V(9) atoms. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one V(3), one V(7), and one V(8) atom. is represented by the CIF card [CIF]
data_Na2CaV12O32
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.206
_cell_length_b   13.764
_cell_length_c   8.609
_cell_angle_alpha   102.113
_cell_angle_beta   114.742
_cell_angle_gamma   74.825
_symmetry_Int_Tables_number   1
_cell_volume   743.591
_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  0.585  0.655  0.579  1.0
  Na  Na1  1  0.089  0.655  0.579  1.0
  Ca  Ca2  1  0.912  0.346  0.419  1.0
  V  V3  1  0.014  0.843  0.121  1.0
  V  V4  1  0.514  0.844  0.122  1.0
  V  V5  1  0.485  0.160  0.881  1.0
  V  V6  1  0.987  0.160  0.881  1.0
  V  V7  1  0.532  0.525  0.839  1.0
  V  V8  1  0.033  0.525  0.842  1.0
  V  V9  1  0.964  0.477  0.155  1.0
  V  V10  1  0.463  0.477  0.155  1.0
  V  V11  1  0.423  0.087  0.182  1.0
  V  V12  1  0.922  0.084  0.178  1.0
  V  V13  1  0.078  0.917  0.822  1.0
  V  V14  1  0.578  0.917  0.822  1.0
  O  O15  1  0.433  0.639  0.755  1.0
  O  O16  1  0.935  0.638  0.757  1.0
  O  O17  1  0.031  0.359  0.223  1.0
  O  O18  1  0.582  0.359  0.223  1.0
  O  O19  1  0.469  0.165  0.352  1.0
  O  O20  1  0.969  0.164  0.352  1.0
  O  O21  1  0.030  0.837  0.651  1.0
  O  O22  1  0.534  0.837  0.651  1.0
  O  O23  1  0.180  0.469  0.079  1.0
  O  O24  1  0.672  0.487  0.080  1.0
  O  O25  1  0.316  0.529  0.919  1.0
  O  O26  1  0.824  0.529  0.919  1.0
  O  O27  1  0.121  0.757  0.250  1.0
  O  O28  1  0.621  0.757  0.250  1.0
  O  O29  1  0.372  0.244  0.751  1.0
  O  O30  1  0.884  0.244  0.751  1.0
  O  O31  1  0.025  0.959  0.260  1.0
  O  O32  1  0.526  0.959  0.260  1.0
  O  O33  1  0.475  0.043  0.743  1.0
  O  O34  1  0.976  0.043  0.743  1.0
  O  O35  1  0.777  0.166  0.971  1.0
  O  O36  1  0.278  0.166  0.973  1.0
  O  O37  1  0.722  0.837  0.030  1.0
  O  O38  1  0.222  0.837  0.030  1.0
  O  O39  1  0.501  0.432  0.683  1.0
  O  O40  1  0.998  0.432  0.677  1.0
  O  O41  1  0.005  0.564  0.324  1.0
  O  O42  1  0.505  0.564  0.324  1.0
  O  O43  1  0.359  0.926  0.895  1.0
  O  O44  1  0.859  0.927  0.896  1.0
  O  O45  1  0.140  0.075  0.108  1.0
  O  O46  1  0.642  0.075  0.108  1.0
[/CIF]
.
The structure described by Na2CaV12O32 crystallizes in the monoclinic Cm space group. Na(1) is bonded to one O(1), one O(2), one O(21), and one O(6) atom to form distorted corner-sharing NaO4 trigonal pyramids. Ca(1) is bonded in a rectangular see-saw-like geometry to one O(20), one O(5), and two equivalent O(3) atoms. There are nine inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(10), one O(13), one O(23), and two equivalent O(18) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(11), one O(14), one O(22), and two equivalent O(18) atoms. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(12), one O(15), one O(16), one O(17), and one O(24) atom. In the fourth V site, V(4) is bonded in a 5-coordinate geometry to one O(1), one O(19), one O(8), and two equivalent O(9) atoms. In the fifth V site, V(5) is bonded in a 5-coordinate geometry to one O(2), one O(20), one O(7), and two equivalent O(9) atoms. In the sixth V site, V(6) is bonded in a 5-coordinate geometry to one O(21), one O(3), one O(7), one O(8), and one O(9) atom. In the seventh V site, V(7) is bonded in a 5-coordinate geometry to one O(14), one O(17), one O(4), and two equivalent O(24) atoms. In the eighth V site, V(8) is bonded in a 5-coordinate geometry to one O(13), one O(16), one O(5), and two equivalent O(24) atoms. In the ninth V site, V(9) is bonded in a 5-coordinate geometry to one O(15), one O(18), one O(22), one O(23), and one O(6) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to two equivalent Na(1) and one V(4) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to two equivalent Na(1) and one V(5) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ca(1) and one V(6) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one V(7) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ca(1) and one V(8) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one V(9) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one V(5) and two equivalent V(6) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one V(4) and two equivalent V(6) atoms. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one V(4), one V(5), and one V(6) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one V(1) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one V(2) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one V(3) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one V(1) and one V(8) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one V(2) and one V(7) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one V(3) and one V(9) atom. In the sixteenth O site, O(16) is bonded in a trigonal non-coplanar geometry to one V(8) and two equivalent V(3) atoms. In the seventeenth O site, O(17) is bonded in a trigonal non-coplanar geometry to one V(7) and two equivalent V(3) atoms. In the eighteenth O site, O(18) is bonded in a trigonal non-coplanar geometry to one V(1), one V(2), and one V(9) atom. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one V(4) atom. In the twentieth O site, O(20) is bonded in a distorted linear geometry to one Ca(1) and one V(5) atom. In the twenty-first O site, O(21) is bonded in a linear geometry to one Na(1) and one V(6) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one V(2) and two equivalent V(9) atoms. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one V(1) and two equivalent V(9) atoms. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one V(3), one V(7), and one V(8) atom. is represented by the CIF card [CIF]
data_Na2CaV12O32
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.206
_cell_length_b   13.764
_cell_length_c   8.609
_cell_angle_alpha   102.113
_cell_angle_beta   114.742
_cell_angle_gamma   74.825
_symmetry_Int_Tables_number   1
_cell_volume   743.591
_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  0.585  0.655  0.579  1.0
  Na  Na1  1  0.089  0.655  0.579  1.0
  Ca  Ca2  1  0.912  0.346  0.419  1.0
  V  V3  1  0.014  0.843  0.121  1.0
  V  V4  1  0.514  0.844  0.122  1.0
  V  V5  1  0.485  0.160  0.881  1.0
  V  V6  1  0.987  0.160  0.881  1.0
  V  V7  1  0.532  0.525  0.839  1.0
  V  V8  1  0.033  0.525  0.842  1.0
  V  V9  1  0.964  0.477  0.155  1.0
  V  V10  1  0.463  0.477  0.155  1.0
  V  V11  1  0.423  0.087  0.182  1.0
  V  V12  1  0.922  0.084  0.178  1.0
  V  V13  1  0.078  0.917  0.822  1.0
  V  V14  1  0.578  0.917  0.822  1.0
  O  O15  1  0.433  0.639  0.755  1.0
  O  O16  1  0.935  0.638  0.757  1.0
  O  O17  1  0.031  0.359  0.223  1.0
  O  O18  1  0.582  0.359  0.223  1.0
  O  O19  1  0.469  0.165  0.352  1.0
  O  O20  1  0.969  0.164  0.352  1.0
  O  O21  1  0.030  0.837  0.651  1.0
  O  O22  1  0.534  0.837  0.651  1.0
  O  O23  1  0.180  0.469  0.079  1.0
  O  O24  1  0.672  0.487  0.080  1.0
  O  O25  1  0.316  0.529  0.919  1.0
  O  O26  1  0.824  0.529  0.919  1.0
  O  O27  1  0.121  0.757  0.250  1.0
  O  O28  1  0.621  0.757  0.250  1.0
  O  O29  1  0.372  0.244  0.751  1.0
  O  O30  1  0.884  0.244  0.751  1.0
  O  O31  1  0.025  0.959  0.260  1.0
  O  O32  1  0.526  0.959  0.260  1.0
  O  O33  1  0.475  0.043  0.743  1.0
  O  O34  1  0.976  0.043  0.743  1.0
  O  O35  1  0.777  0.166  0.971  1.0
  O  O36  1  0.278  0.166  0.973  1.0
  O  O37  1  0.722  0.837  0.030  1.0
  O  O38  1  0.222  0.837  0.030  1.0
  O  O39  1  0.501  0.432  0.683  1.0
  O  O40  1  0.998  0.432  0.677  1.0
  O  O41  1  0.005  0.564  0.324  1.0
  O  O42  1  0.505  0.564  0.324  1.0
  O  O43  1  0.359  0.926  0.895  1.0
  O  O44  1  0.859  0.927  0.896  1.0
  O  O45  1  0.140  0.075  0.108  1.0
  O  O46  1  0.642  0.075  0.108  1.0
[/CIF]
.