The crystal structure described by Rb3ErO3 crystallizes in the monoclinic C2/m space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 6-coordinate geometry to two equivalent O(2) and four equivalent O(1) atoms. In the second Rb site, Rb(2) is bonded in a 4-coordinate geometry to four equivalent O(1) atoms. In the third Rb site, Rb(3) is bonded in a 5-coordinate geometry to one O(2) and four equivalent O(1) atoms. Er(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form edge-sharing ErO4 tetrahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 7-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), two equivalent Rb(3), and one Er(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Rb(3), two equivalent Rb(1), and two equivalent Er(1) atoms. is represented by the CIF card [CIF]
data_Rb3ErO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.188
_cell_length_b   7.188
_cell_length_c   7.176
_cell_angle_alpha   85.055
_cell_angle_beta   85.055
_cell_angle_gamma   115.926
_symmetry_Int_Tables_number   1
_cell_volume   329.066
_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
  Rb  Rb0  1  0.796  0.204  0.500  1.0
  Rb  Rb1  1  0.741  0.259  0.000  1.0
  Rb  Rb2  1  0.639  0.639  0.640  1.0
  Rb  Rb3  1  0.361  0.361  0.360  1.0
  Rb  Rb4  1  0.259  0.741  0.000  1.0
  Rb  Rb5  1  0.204  0.796  0.500  1.0
  Er  Er6  1  0.823  0.823  0.149  1.0
  Er  Er7  1  0.177  0.177  0.851  1.0
  O  O8  1  0.833  0.554  0.268  1.0
  O  O9  1  0.898  0.898  0.844  1.0
  O  O10  1  0.446  0.167  0.732  1.0
  O  O11  1  0.554  0.833  0.268  1.0
  O  O12  1  0.102  0.102  0.156  1.0
  O  O13  1  0.167  0.446  0.732  1.0
[/CIF]
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The crystal structure described by Rb3ErO3 crystallizes in the monoclinic C2/m space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 6-coordinate geometry to two equivalent O(2) and four equivalent O(1) atoms. In the second Rb site, Rb(2) is bonded in a 4-coordinate geometry to four equivalent O(1) atoms. In the third Rb site, Rb(3) is bonded in a 5-coordinate geometry to one O(2) and four equivalent O(1) atoms. Er(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form edge-sharing ErO4 tetrahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 7-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), two equivalent Rb(3), and one Er(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Rb(3), two equivalent Rb(1), and two equivalent Er(1) atoms. is represented by the CIF card [CIF]
data_Rb3ErO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.188
_cell_length_b   7.188
_cell_length_c   7.176
_cell_angle_alpha   85.055
_cell_angle_beta   85.055
_cell_angle_gamma   115.926
_symmetry_Int_Tables_number   1
_cell_volume   329.066
_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
  Rb  Rb0  1  0.796  0.204  0.500  1.0
  Rb  Rb1  1  0.741  0.259  0.000  1.0
  Rb  Rb2  1  0.639  0.639  0.640  1.0
  Rb  Rb3  1  0.361  0.361  0.360  1.0
  Rb  Rb4  1  0.259  0.741  0.000  1.0
  Rb  Rb5  1  0.204  0.796  0.500  1.0
  Er  Er6  1  0.823  0.823  0.149  1.0
  Er  Er7  1  0.177  0.177  0.851  1.0
  O  O8  1  0.833  0.554  0.268  1.0
  O  O9  1  0.898  0.898  0.844  1.0
  O  O10  1  0.446  0.167  0.732  1.0
  O  O11  1  0.554  0.833  0.268  1.0
  O  O12  1  0.102  0.102  0.156  1.0
  O  O13  1  0.167  0.446  0.732  1.0
[/CIF]
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