The material described by V12Fe6O35 crystallizes in the triclinic P1 space group. There are twelve inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(2), one O(27), one O(3), one O(4), and one O(5) atom. In the second V site, V(2) is bonded to one O(11), one O(3), one O(35), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, and corners with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-54°. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(13), one O(2), one O(5), one O(7), and one O(8) atom. In the fourth V site, V(4) is bonded to one O(1), one O(14), one O(6), one O(7), one O(8), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, and  an edgeedge with one Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 3°. In the fifth V site, V(5) is bonded to one O(10), one O(12), one O(18), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, and corners with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-55°. In the sixth V site, V(6) is bonded to one O(11), one O(15), one O(16), one O(17), one O(18), and one O(23) atom to form VO6 octahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(7)O4 tetrahedra, corners with two equivalent V(8)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 2°. In the seventh V site, V(7) is bonded to one O(13), one O(16), one O(20), and one O(22) atom to form VO4 tetrahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-55°. In the eighth V site, V(8) is bonded to one O(15), one O(17), one O(21), and one O(24) atom to form VO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, and corners with two equivalent V(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-58°. In the ninth V site, V(9) is bonded to one O(19), one O(25), one O(27), and one O(31) atom to form VO4 tetrahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-55°. In the tenth V site, V(10) is bonded to one O(23), one O(28), one O(29), one O(30), one O(31), and one O(35) atom to form VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles are 2°. In the eleventh V site, V(11) is bonded in a 5-coordinate geometry to one O(24), one O(29), one O(30), one O(32), and one O(34) atom. In the twelfth V site, V(12) is bonded to one O(1), one O(26), one O(28), and one O(33) atom to form VO4 tetrahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, and corners with two equivalent Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-54°. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(11), one O(15), one O(34), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and  an edgeedge with one Fe(6)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(12), one O(13), one O(17), one O(18), one O(25), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra,  an edgeedge with one V(6)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(12), one O(19), one O(20), one O(24), one O(25), and one O(32) atom to form FeO6 octahedra that share  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra, corners with two equivalent V(9)O4 tetrahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles are 33°. In the fourth Fe site, Fe(4) is bonded to one O(14), one O(19), one O(20), one O(21), one O(22), and one O(26) atom to form FeO6 octahedra that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(7)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles are 3°. In the fifth Fe site, Fe(5) is bonded to one O(2), one O(22), one O(26), one O(27), one O(28), and one O(30) atom to form FeO6 octahedra that share  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(12)O4 tetrahedra,  an edgeedge with one V(10)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(3), one O(32), one O(33), one O(34), and one O(4) atom to form distorted FeO6 octahedra that share  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, and  an edgeedge with one Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 33°. There are thirty-five inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(12) and one V(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one V(1), one V(3), and one Fe(5) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(1), one V(2), and one Fe(6) atom. In the fourth O site, O(4) is bonded in a linear geometry to one V(1) and one Fe(6) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one V(1), one V(3), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one V(4) and one V(5) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(3), one V(4), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a linear geometry to one V(3) and one V(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one V(2), one V(4), and one Fe(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one V(5), one Fe(1), and one Fe(6) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one V(2), one V(6), and one Fe(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one V(5), one Fe(2), and one Fe(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one V(3), one V(7), and one Fe(2) atom. In the fourteenth O site, O(14) is bonded in a linear geometry to one V(4) and one Fe(4) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one V(6), one V(8), and one Fe(1) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one V(6) and one V(7) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one V(6), one V(8), and one Fe(2) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one V(5), one V(6), and one Fe(2) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one V(9), one Fe(3), and one Fe(4) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one V(7), one Fe(3), and one Fe(4) atom. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one V(8) and one Fe(4) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one V(7), one Fe(4), and one Fe(5) atom. In the twenty-third O site, O(23) is bonded in a linear geometry to one V(10) and one V(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one V(11), one V(8), and one Fe(3) atom. In the twenty-fifth O site, O(25) is bonded in a 3-coordinate geometry to one V(9), one Fe(2), and one Fe(3) atom. In the twenty-sixth O site, O(26) is bonded in a distorted trigonal planar geometry to one V(12), one Fe(4), and one Fe(5) atom. In the twenty-seventh O site, O(27) is bonded in a 3-coordinate geometry to one V(1), one V(9), and one Fe(5) atom. In the twenty-eighth O site, O(28) is bonded in a distorted trigonal planar geometry to one V(10), one V(12), and one Fe(5) atom. In the twenty-ninth O site, O(29) is bonded in a linear geometry to one V(10) and one V(11) atom. In the thirtieth O site, O(30) is bonded in a distorted trigonal planar geometry to one V(10), one V(11), and one Fe(5) atom. In the thirty-first O site, O(31) is bonded in a distorted bent 150 degrees geometry to one V(10) and one V(9) atom. In the thirty-second O site, O(32) is bonded in a distorted trigonal non-coplanar geometry to one V(11), one Fe(3), and one Fe(6) atom. In the thirty-third O site, O(33) is bonded in a 2-coordinate geometry to one V(12) and one Fe(6) atom. In the thirty-fourth O site, O(34) is bonded in a distorted T-shaped geometry to one V(11), one Fe(1), and one Fe(6) atom. In the thirty-fifth O site, O(35) is bonded in a bent 150 degrees geometry to one V(10) and one V(2) atom. is represented by the CIF card [CIF]
data_V12Fe6O35
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.289
_cell_length_b   9.469
_cell_length_c   6.632
_cell_angle_alpha   100.712
_cell_angle_beta   95.002
_cell_angle_gamma   98.430
_symmetry_Int_Tables_number   1
_cell_volume   623.629
_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
  V  V0  1  0.014  0.942  0.234  1.0
  V  V1  1  0.106  0.302  0.383  1.0
  V  V2  1  0.181  0.716  0.215  1.0
  V  V3  1  0.222  0.626  0.727  1.0
  V  V4  1  0.300  0.999  0.837  1.0
  V  V5  1  0.425  0.311  0.208  1.0
  V  V6  1  0.504  0.681  0.289  1.0
  V  V7  1  0.493  0.317  0.712  1.0
  V  V8  1  0.702  0.002  0.167  1.0
  V  V9  1  0.778  0.374  0.277  1.0
  V  V10  1  0.821  0.285  0.785  1.0
  V  V11  1  0.896  0.695  0.614  1.0
  Fe  Fe12  1  0.185  0.349  0.908  1.0
  Fe  Fe13  1  0.388  0.006  0.344  1.0
  Fe  Fe14  1  0.612  0.991  0.656  1.0
  Fe  Fe15  1  0.587  0.693  0.798  1.0
  Fe  Fe16  1  0.809  0.649  0.089  1.0
  Fe  Fe17  1  0.990  0.057  0.741  1.0
  O  O18  1  0.019  0.614  0.691  1.0
  O  O19  1  0.004  0.731  0.156  1.0
  O  O20  1  0.036  0.125  0.422  1.0
  O  O21  1  0.006  0.998  0.011  1.0
  O  O22  1  0.194  0.924  0.298  1.0
  O  O23  1  0.219  0.831  0.851  1.0
  O  O24  1  0.192  0.568  0.998  1.0
  O  O25  1  0.193  0.651  0.430  1.0
  O  O26  1  0.188  0.408  0.623  1.0
  O  O27  1  0.188  0.108  0.778  1.0
  O  O28  1  0.213  0.298  0.190  1.0
  O  O29  1  0.409  0.986  0.646  1.0
  O  O30  1  0.380  0.784  0.229  1.0
  O  O31  1  0.388  0.655  0.753  1.0
  O  O32  1  0.391  0.335  0.919  1.0
  O  O33  1  0.429  0.511  0.306  1.0
  O  O34  1  0.407  0.232  0.461  1.0
  O  O35  1  0.386  0.090  0.081  1.0
  O  O36  1  0.616  0.917  0.925  1.0
  O  O37  1  0.592  0.770  0.528  1.0
  O  O38  1  0.569  0.481  0.695  1.0
  O  O39  1  0.610  0.665  0.098  1.0
  O  O40  1  0.604  0.340  0.238  1.0
  O  O41  1  0.615  0.218  0.770  1.0
  O  O42  1  0.590  0.016  0.353  1.0
  O  O43  1  0.790  0.705  0.812  1.0
  O  O44  1  0.821  0.895  0.227  1.0
  O  O45  1  0.810  0.590  0.375  1.0
  O  O46  1  0.804  0.348  0.565  1.0
  O  O47  1  0.803  0.429  0.006  1.0
  O  O48  1  0.780  0.171  0.152  1.0
  O  O49  1  0.799  0.083  0.706  1.0
  O  O50  1  0.965  0.864  0.568  1.0
  O  O51  1  0.993  0.280  0.847  1.0
  O  O52  1  0.983  0.383  0.307  1.0
[/CIF]
.
The material described by V12Fe6O35 crystallizes in the triclinic P1 space group. There are twelve inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(2), one O(27), one O(3), one O(4), and one O(5) atom. In the second V site, V(2) is bonded to one O(11), one O(3), one O(35), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, and corners with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-54°. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(13), one O(2), one O(5), one O(7), and one O(8) atom. In the fourth V site, V(4) is bonded to one O(1), one O(14), one O(6), one O(7), one O(8), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, and  an edgeedge with one Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 3°. In the fifth V site, V(5) is bonded to one O(10), one O(12), one O(18), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, and corners with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-55°. In the sixth V site, V(6) is bonded to one O(11), one O(15), one O(16), one O(17), one O(18), and one O(23) atom to form VO6 octahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(7)O4 tetrahedra, corners with two equivalent V(8)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 2°. In the seventh V site, V(7) is bonded to one O(13), one O(16), one O(20), and one O(22) atom to form VO4 tetrahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-55°. In the eighth V site, V(8) is bonded to one O(15), one O(17), one O(21), and one O(24) atom to form VO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, and corners with two equivalent V(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-58°. In the ninth V site, V(9) is bonded to one O(19), one O(25), one O(27), and one O(31) atom to form VO4 tetrahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-55°. In the tenth V site, V(10) is bonded to one O(23), one O(28), one O(29), one O(30), one O(31), and one O(35) atom to form VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles are 2°. In the eleventh V site, V(11) is bonded in a 5-coordinate geometry to one O(24), one O(29), one O(30), one O(32), and one O(34) atom. In the twelfth V site, V(12) is bonded to one O(1), one O(26), one O(28), and one O(33) atom to form VO4 tetrahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra, and corners with two equivalent Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-54°. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(11), one O(15), one O(34), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and  an edgeedge with one Fe(6)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(12), one O(13), one O(17), one O(18), one O(25), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra,  an edgeedge with one V(6)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(12), one O(19), one O(20), one O(24), one O(25), and one O(32) atom to form FeO6 octahedra that share  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra, corners with two equivalent V(9)O4 tetrahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles are 33°. In the fourth Fe site, Fe(4) is bonded to one O(14), one O(19), one O(20), one O(21), one O(22), and one O(26) atom to form FeO6 octahedra that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(7)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles are 3°. In the fifth Fe site, Fe(5) is bonded to one O(2), one O(22), one O(26), one O(27), one O(28), and one O(30) atom to form FeO6 octahedra that share  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(12)O4 tetrahedra,  an edgeedge with one V(10)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(3), one O(32), one O(33), one O(34), and one O(4) atom to form distorted FeO6 octahedra that share  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one V(12)O4 tetrahedra,  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, and  an edgeedge with one Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 33°. There are thirty-five inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(12) and one V(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one V(1), one V(3), and one Fe(5) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(1), one V(2), and one Fe(6) atom. In the fourth O site, O(4) is bonded in a linear geometry to one V(1) and one Fe(6) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one V(1), one V(3), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one V(4) and one V(5) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(3), one V(4), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a linear geometry to one V(3) and one V(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one V(2), one V(4), and one Fe(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one V(5), one Fe(1), and one Fe(6) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one V(2), one V(6), and one Fe(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one V(5), one Fe(2), and one Fe(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one V(3), one V(7), and one Fe(2) atom. In the fourteenth O site, O(14) is bonded in a linear geometry to one V(4) and one Fe(4) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one V(6), one V(8), and one Fe(1) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one V(6) and one V(7) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one V(6), one V(8), and one Fe(2) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one V(5), one V(6), and one Fe(2) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one V(9), one Fe(3), and one Fe(4) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one V(7), one Fe(3), and one Fe(4) atom. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one V(8) and one Fe(4) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one V(7), one Fe(4), and one Fe(5) atom. In the twenty-third O site, O(23) is bonded in a linear geometry to one V(10) and one V(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one V(11), one V(8), and one Fe(3) atom. In the twenty-fifth O site, O(25) is bonded in a 3-coordinate geometry to one V(9), one Fe(2), and one Fe(3) atom. In the twenty-sixth O site, O(26) is bonded in a distorted trigonal planar geometry to one V(12), one Fe(4), and one Fe(5) atom. In the twenty-seventh O site, O(27) is bonded in a 3-coordinate geometry to one V(1), one V(9), and one Fe(5) atom. In the twenty-eighth O site, O(28) is bonded in a distorted trigonal planar geometry to one V(10), one V(12), and one Fe(5) atom. In the twenty-ninth O site, O(29) is bonded in a linear geometry to one V(10) and one V(11) atom. In the thirtieth O site, O(30) is bonded in a distorted trigonal planar geometry to one V(10), one V(11), and one Fe(5) atom. In the thirty-first O site, O(31) is bonded in a distorted bent 150 degrees geometry to one V(10) and one V(9) atom. In the thirty-second O site, O(32) is bonded in a distorted trigonal non-coplanar geometry to one V(11), one Fe(3), and one Fe(6) atom. In the thirty-third O site, O(33) is bonded in a 2-coordinate geometry to one V(12) and one Fe(6) atom. In the thirty-fourth O site, O(34) is bonded in a distorted T-shaped geometry to one V(11), one Fe(1), and one Fe(6) atom. In the thirty-fifth O site, O(35) is bonded in a bent 150 degrees geometry to one V(10) and one V(2) atom. is represented by the CIF card [CIF]
data_V12Fe6O35
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.289
_cell_length_b   9.469
_cell_length_c   6.632
_cell_angle_alpha   100.712
_cell_angle_beta   95.002
_cell_angle_gamma   98.430
_symmetry_Int_Tables_number   1
_cell_volume   623.629
_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
  V  V0  1  0.014  0.942  0.234  1.0
  V  V1  1  0.106  0.302  0.383  1.0
  V  V2  1  0.181  0.716  0.215  1.0
  V  V3  1  0.222  0.626  0.727  1.0
  V  V4  1  0.300  0.999  0.837  1.0
  V  V5  1  0.425  0.311  0.208  1.0
  V  V6  1  0.504  0.681  0.289  1.0
  V  V7  1  0.493  0.317  0.712  1.0
  V  V8  1  0.702  0.002  0.167  1.0
  V  V9  1  0.778  0.374  0.277  1.0
  V  V10  1  0.821  0.285  0.785  1.0
  V  V11  1  0.896  0.695  0.614  1.0
  Fe  Fe12  1  0.185  0.349  0.908  1.0
  Fe  Fe13  1  0.388  0.006  0.344  1.0
  Fe  Fe14  1  0.612  0.991  0.656  1.0
  Fe  Fe15  1  0.587  0.693  0.798  1.0
  Fe  Fe16  1  0.809  0.649  0.089  1.0
  Fe  Fe17  1  0.990  0.057  0.741  1.0
  O  O18  1  0.019  0.614  0.691  1.0
  O  O19  1  0.004  0.731  0.156  1.0
  O  O20  1  0.036  0.125  0.422  1.0
  O  O21  1  0.006  0.998  0.011  1.0
  O  O22  1  0.194  0.924  0.298  1.0
  O  O23  1  0.219  0.831  0.851  1.0
  O  O24  1  0.192  0.568  0.998  1.0
  O  O25  1  0.193  0.651  0.430  1.0
  O  O26  1  0.188  0.408  0.623  1.0
  O  O27  1  0.188  0.108  0.778  1.0
  O  O28  1  0.213  0.298  0.190  1.0
  O  O29  1  0.409  0.986  0.646  1.0
  O  O30  1  0.380  0.784  0.229  1.0
  O  O31  1  0.388  0.655  0.753  1.0
  O  O32  1  0.391  0.335  0.919  1.0
  O  O33  1  0.429  0.511  0.306  1.0
  O  O34  1  0.407  0.232  0.461  1.0
  O  O35  1  0.386  0.090  0.081  1.0
  O  O36  1  0.616  0.917  0.925  1.0
  O  O37  1  0.592  0.770  0.528  1.0
  O  O38  1  0.569  0.481  0.695  1.0
  O  O39  1  0.610  0.665  0.098  1.0
  O  O40  1  0.604  0.340  0.238  1.0
  O  O41  1  0.615  0.218  0.770  1.0
  O  O42  1  0.590  0.016  0.353  1.0
  O  O43  1  0.790  0.705  0.812  1.0
  O  O44  1  0.821  0.895  0.227  1.0
  O  O45  1  0.810  0.590  0.375  1.0
  O  O46  1  0.804  0.348  0.565  1.0
  O  O47  1  0.803  0.429  0.006  1.0
  O  O48  1  0.780  0.171  0.152  1.0
  O  O49  1  0.799  0.083  0.706  1.0
  O  O50  1  0.965  0.864  0.568  1.0
  O  O51  1  0.993  0.280  0.847  1.0
  O  O52  1  0.983  0.383  0.307  1.0
[/CIF]
.