The structure described by Ta2O5 crystallizes in the orthorhombic Pmmn space group. Ta(1) is bonded to one O(3), two equivalent O(2), and three equivalent O(1) atoms to form a mixture of edge and corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 2-30°. There are three inequivalent O sites. In the first O site, O(2) is bonded in a linear geometry to two equivalent Ta(1) atoms. In the second O site, O(3) is bonded in a linear geometry to two equivalent Ta(1) atoms. In the third O site, O(1) is bonded in a 3-coordinate geometry to three equivalent Ta(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ta2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.841
_cell_length_b   3.874
_cell_length_c   6.796
_cell_angle_alpha   90.000
_cell_angle_beta   106.415
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   96.998
_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
  O  O0  1  0.704  1.000  0.370  1.0
  O  O1  1  0.333  0.000  0.630  1.0
  O  O2  1  0.870  0.500  0.702  1.0
  O  O3  1  0.167  0.500  0.298  1.0
  O  O4  1  0.019  0.000  0.000  1.0
  Ta  Ta5  1  0.164  1.000  0.292  1.0
  Ta  Ta6  1  0.873  0.000  0.708  1.0
[/CIF]
.
The structure described by Ta2O5 crystallizes in the orthorhombic Pmmn space group. Ta(1) is bonded to one O(3), two equivalent O(2), and three equivalent O(1) atoms to form a mixture of edge and corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 2-30°. There are three inequivalent O sites. In the first O site, O(2) is bonded in a linear geometry to two equivalent Ta(1) atoms. In the second O site, O(3) is bonded in a linear geometry to two equivalent Ta(1) atoms. In the third O site, O(1) is bonded in a 3-coordinate geometry to three equivalent Ta(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ta2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.841
_cell_length_b   3.874
_cell_length_c   6.796
_cell_angle_alpha   90.000
_cell_angle_beta   106.415
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   96.998
_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
  O  O0  1  0.704  1.000  0.370  1.0
  O  O1  1  0.333  0.000  0.630  1.0
  O  O2  1  0.870  0.500  0.702  1.0
  O  O3  1  0.167  0.500  0.298  1.0
  O  O4  1  0.019  0.000  0.000  1.0
  Ta  Ta5  1  0.164  1.000  0.292  1.0
  Ta  Ta6  1  0.873  0.000  0.708  1.0
[/CIF]
.