The compound described by AgEuTiO4 crystallizes in the orthorhombic Pbcm space group. Eu(1) is bonded in a 9-coordinate geometry to two equivalent O(1), two equivalent O(2), and five equivalent O(3) atoms. Ti(1) is bonded in a 5-coordinate geometry to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms. Ag(1) is bonded to five equivalent O(4) atoms to form a mixture of distorted corner and edge-sharing AgO5 square pyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Eu(1) and two equivalent Ti(1) atoms to form distorted edge-sharing OEu2Ti2 trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Eu(1) and two equivalent Ti(1) atoms. In the third O site, O(3) is bonded in a 6-coordinate geometry to five equivalent Eu(1) and one Ti(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Ti(1) and five equivalent Ag(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_EuTiAgO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.703
_cell_length_b   3.703
_cell_length_c   13.562
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.185
_symmetry_Int_Tables_number   1
_cell_volume   186.003
_cell_formula_units_Z   2
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
  Ag  Ag0  1  0.250  0.250  0.426  1.0
  Ag  Ag1  1  0.750  0.750  0.574  1.0
  Eu  Eu2  1  0.250  0.250  0.103  1.0
  Eu  Eu3  1  0.750  0.750  0.897  1.0
  O  O4  1  0.250  0.750  0.774  1.0
  O  O5  1  0.250  0.750  0.226  1.0
  O  O6  1  0.750  0.250  0.226  1.0
  O  O7  1  0.750  0.250  0.774  1.0
  O  O8  1  0.250  0.250  0.935  1.0
  O  O9  1  0.750  0.750  0.065  1.0
  O  O10  1  0.250  0.250  0.601  1.0
  O  O11  1  0.750  0.750  0.399  1.0
  Ti  Ti12  1  0.250  0.250  0.734  1.0
  Ti  Ti13  1  0.750  0.750  0.266  1.0
[/CIF]
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The compound described by AgEuTiO4 crystallizes in the orthorhombic Pbcm space group. Eu(1) is bonded in a 9-coordinate geometry to two equivalent O(1), two equivalent O(2), and five equivalent O(3) atoms. Ti(1) is bonded in a 5-coordinate geometry to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms. Ag(1) is bonded to five equivalent O(4) atoms to form a mixture of distorted corner and edge-sharing AgO5 square pyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Eu(1) and two equivalent Ti(1) atoms to form distorted edge-sharing OEu2Ti2 trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Eu(1) and two equivalent Ti(1) atoms. In the third O site, O(3) is bonded in a 6-coordinate geometry to five equivalent Eu(1) and one Ti(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Ti(1) and five equivalent Ag(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_EuTiAgO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.703
_cell_length_b   3.703
_cell_length_c   13.562
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.185
_symmetry_Int_Tables_number   1
_cell_volume   186.003
_cell_formula_units_Z   2
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
  Ag  Ag0  1  0.250  0.250  0.426  1.0
  Ag  Ag1  1  0.750  0.750  0.574  1.0
  Eu  Eu2  1  0.250  0.250  0.103  1.0
  Eu  Eu3  1  0.750  0.750  0.897  1.0
  O  O4  1  0.250  0.750  0.774  1.0
  O  O5  1  0.250  0.750  0.226  1.0
  O  O6  1  0.750  0.250  0.226  1.0
  O  O7  1  0.750  0.250  0.774  1.0
  O  O8  1  0.250  0.250  0.935  1.0
  O  O9  1  0.750  0.750  0.065  1.0
  O  O10  1  0.250  0.250  0.601  1.0
  O  O11  1  0.750  0.750  0.399  1.0
  Ti  Ti12  1  0.250  0.250  0.734  1.0
  Ti  Ti13  1  0.750  0.750  0.266  1.0
[/CIF]
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