The material structure described by Eu3V2O7 crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 9-coordinate geometry to four equivalent O(1) and five equivalent O(2) atoms. In the second Eu site, Eu(2) is bonded to four equivalent O(3) and eight equivalent O(1) atoms to form EuO12 cuboctahedra that share corners with four equivalent Eu(2)O12 cuboctahedra, faces with four equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent V(1)O6 octahedra. V(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form VO6 octahedra that share corners with five equivalent V(1)O6 octahedra and faces with four equivalent Eu(2)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to two equivalent Eu(1), two equivalent Eu(2), and two equivalent V(1) atoms. In the second O site, O(2) is bonded to five equivalent Eu(1) and one V(1) atom to form distorted OEu5V octahedra that share  a cornercorner with one O(3)Eu4V2 octahedra, corners with four equivalent O(2)Eu5V octahedra, and edges with eight equivalent O(2)Eu5V octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the third O site, O(3) is bonded to four equivalent Eu(2) and two equivalent V(1) atoms to form distorted OEu4V2 octahedra that share corners with two equivalent O(2)Eu5V octahedra, corners with four equivalent O(3)Eu4V2 octahedra, and edges with four equivalent O(3)Eu4V2 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF card [CIF]
data_Eu3V2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.622
_cell_length_b   10.622
_cell_length_c   10.622
_cell_angle_alpha   158.985
_cell_angle_beta   158.985
_cell_angle_gamma   29.891
_symmetry_Int_Tables_number   1
_cell_volume   154.045
_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
  Eu  Eu0  1  0.315  0.315  0.000  1.0
  Eu  Eu1  1  0.685  0.685  0.000  1.0
  Eu  Eu2  1  0.500  0.500  0.000  1.0
  V  V3  1  0.098  0.098  0.000  1.0
  V  V4  1  0.902  0.902  0.000  1.0
  O  O5  1  0.598  0.098  0.500  1.0
  O  O6  1  0.402  0.902  0.500  1.0
  O  O7  1  0.098  0.598  0.500  1.0
  O  O8  1  0.902  0.402  0.500  1.0
  O  O9  1  0.200  0.200  0.000  1.0
  O  O10  1  0.800  0.800  0.000  1.0
  O  O11  1  0.000  0.000  0.000  1.0
[/CIF]
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The material structure described by Eu3V2O7 crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 9-coordinate geometry to four equivalent O(1) and five equivalent O(2) atoms. In the second Eu site, Eu(2) is bonded to four equivalent O(3) and eight equivalent O(1) atoms to form EuO12 cuboctahedra that share corners with four equivalent Eu(2)O12 cuboctahedra, faces with four equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent V(1)O6 octahedra. V(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form VO6 octahedra that share corners with five equivalent V(1)O6 octahedra and faces with four equivalent Eu(2)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to two equivalent Eu(1), two equivalent Eu(2), and two equivalent V(1) atoms. In the second O site, O(2) is bonded to five equivalent Eu(1) and one V(1) atom to form distorted OEu5V octahedra that share  a cornercorner with one O(3)Eu4V2 octahedra, corners with four equivalent O(2)Eu5V octahedra, and edges with eight equivalent O(2)Eu5V octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the third O site, O(3) is bonded to four equivalent Eu(2) and two equivalent V(1) atoms to form distorted OEu4V2 octahedra that share corners with two equivalent O(2)Eu5V octahedra, corners with four equivalent O(3)Eu4V2 octahedra, and edges with four equivalent O(3)Eu4V2 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF card [CIF]
data_Eu3V2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.622
_cell_length_b   10.622
_cell_length_c   10.622
_cell_angle_alpha   158.985
_cell_angle_beta   158.985
_cell_angle_gamma   29.891
_symmetry_Int_Tables_number   1
_cell_volume   154.045
_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
  Eu  Eu0  1  0.315  0.315  0.000  1.0
  Eu  Eu1  1  0.685  0.685  0.000  1.0
  Eu  Eu2  1  0.500  0.500  0.000  1.0
  V  V3  1  0.098  0.098  0.000  1.0
  V  V4  1  0.902  0.902  0.000  1.0
  O  O5  1  0.598  0.098  0.500  1.0
  O  O6  1  0.402  0.902  0.500  1.0
  O  O7  1  0.098  0.598  0.500  1.0
  O  O8  1  0.902  0.402  0.500  1.0
  O  O9  1  0.200  0.200  0.000  1.0
  O  O10  1  0.800  0.800  0.000  1.0
  O  O11  1  0.000  0.000  0.000  1.0
[/CIF]
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