The compound described by Eu(ClO4)3 crystallizes in the monoclinic Pm space group. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 9-coordinate geometry to one O(13), one O(2), one O(4), two equivalent O(12), two equivalent O(5), and two equivalent O(8) atoms. In the second Eu site, Eu(2) is bonded in a 9-coordinate geometry to one O(10), one O(16), one O(17), two equivalent O(14), two equivalent O(6), and two equivalent O(9) atoms. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cl(6) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Cl(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one Cl(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Cl(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Eu(1) and one Cl(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Eu(2) and one Cl(1) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cl(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Eu(1) and one Cl(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Eu(2) and one Cl(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one Cl(6) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cl(2) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Eu(1) and one Cl(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Cl(5) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Eu(2) and one Cl(5) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Cl(5) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one Cl(3) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one Cl(4) atom. In the eighteenth O site, O(18) is bonded in a single-bond geometry to one Cl(4) atom. There are six inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a tetrahedral geometry to one O(4), one O(7), and two equivalent O(6) atoms. In the second Cl site, Cl(2) is bonded in a tetrahedral geometry to one O(11), one O(2), and two equivalent O(9) atoms. In the third Cl site, Cl(3) is bonded in a tetrahedral geometry to one O(16), one O(3), and two equivalent O(8) atoms. In the fourth Cl site, Cl(4) is bonded in a tetrahedral geometry to one O(17), one O(18), and two equivalent O(5) atoms. In the fifth Cl site, Cl(5) is bonded in a tetrahedral geometry to one O(13), one O(15), and two equivalent O(14) atoms. In the sixth Cl site, Cl(6) is bonded in a tetrahedral geometry to one O(1), one O(10), and two equivalent O(12) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Eu(ClO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.256
_cell_length_b   9.270
_cell_length_c   5.818
_cell_angle_alpha   90.005
_cell_angle_beta   90.000
_cell_angle_gamma   120.017
_symmetry_Int_Tables_number   1
_cell_volume   432.230
_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
  Eu  Eu0  1  0.667  0.332  0.750  1.0
  Eu  Eu1  1  0.334  0.666  0.250  1.0
  Cl  Cl2  1  0.095  0.386  0.750  1.0
  Cl  Cl3  1  0.292  0.906  0.750  1.0
  Cl  Cl4  1  0.386  0.291  0.250  1.0
  Cl  Cl5  1  0.905  0.613  0.250  1.0
  Cl  Cl6  1  0.613  0.708  0.750  1.0
  Cl  Cl7  1  0.708  0.095  0.250  1.0
  O  O8  1  0.806  0.017  0.250  1.0
  O  O9  1  0.470  0.024  0.750  1.0
  O  O10  1  0.211  0.195  0.250  1.0
  O  O11  1  0.976  0.444  0.750  1.0
  O  O12  1  0.798  0.545  0.451  1.0
  O  O13  1  0.201  0.454  0.549  1.0
  O  O14  1  0.016  0.211  0.750  1.0
  O  O15  1  0.454  0.254  0.451  1.0
  O  O16  1  0.254  0.799  0.549  1.0
  O  O17  1  0.531  0.977  0.250  1.0
  O  O18  1  0.195  0.984  0.750  1.0
  O  O19  1  0.748  0.201  0.049  1.0
  O  O20  1  0.554  0.531  0.750  1.0
  O  O21  1  0.546  0.748  0.549  1.0
  O  O22  1  0.788  0.805  0.750  1.0
  O  O23  1  0.445  0.469  0.250  1.0
  O  O24  1  0.024  0.555  0.250  1.0
  O  O25  1  0.201  0.454  0.950  1.0
  O  O26  1  0.983  0.788  0.250  1.0
  O  O27  1  0.546  0.748  0.951  1.0
  O  O28  1  0.254  0.800  0.951  1.0
  O  O29  1  0.455  0.254  0.049  1.0
  O  O30  1  0.748  0.201  0.451  1.0
  O  O31  1  0.799  0.545  0.049  1.0
[/CIF]
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The compound described by Eu(ClO4)3 crystallizes in the monoclinic Pm space group. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 9-coordinate geometry to one O(13), one O(2), one O(4), two equivalent O(12), two equivalent O(5), and two equivalent O(8) atoms. In the second Eu site, Eu(2) is bonded in a 9-coordinate geometry to one O(10), one O(16), one O(17), two equivalent O(14), two equivalent O(6), and two equivalent O(9) atoms. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cl(6) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Cl(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one Cl(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Cl(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Eu(1) and one Cl(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Eu(2) and one Cl(1) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cl(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Eu(1) and one Cl(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Eu(2) and one Cl(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one Cl(6) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cl(2) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Eu(1) and one Cl(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Cl(5) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Eu(2) and one Cl(5) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Cl(5) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one Cl(3) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one Cl(4) atom. In the eighteenth O site, O(18) is bonded in a single-bond geometry to one Cl(4) atom. There are six inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a tetrahedral geometry to one O(4), one O(7), and two equivalent O(6) atoms. In the second Cl site, Cl(2) is bonded in a tetrahedral geometry to one O(11), one O(2), and two equivalent O(9) atoms. In the third Cl site, Cl(3) is bonded in a tetrahedral geometry to one O(16), one O(3), and two equivalent O(8) atoms. In the fourth Cl site, Cl(4) is bonded in a tetrahedral geometry to one O(17), one O(18), and two equivalent O(5) atoms. In the fifth Cl site, Cl(5) is bonded in a tetrahedral geometry to one O(13), one O(15), and two equivalent O(14) atoms. In the sixth Cl site, Cl(6) is bonded in a tetrahedral geometry to one O(1), one O(10), and two equivalent O(12) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Eu(ClO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.256
_cell_length_b   9.270
_cell_length_c   5.818
_cell_angle_alpha   90.005
_cell_angle_beta   90.000
_cell_angle_gamma   120.017
_symmetry_Int_Tables_number   1
_cell_volume   432.230
_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
  Eu  Eu0  1  0.667  0.332  0.750  1.0
  Eu  Eu1  1  0.334  0.666  0.250  1.0
  Cl  Cl2  1  0.095  0.386  0.750  1.0
  Cl  Cl3  1  0.292  0.906  0.750  1.0
  Cl  Cl4  1  0.386  0.291  0.250  1.0
  Cl  Cl5  1  0.905  0.613  0.250  1.0
  Cl  Cl6  1  0.613  0.708  0.750  1.0
  Cl  Cl7  1  0.708  0.095  0.250  1.0
  O  O8  1  0.806  0.017  0.250  1.0
  O  O9  1  0.470  0.024  0.750  1.0
  O  O10  1  0.211  0.195  0.250  1.0
  O  O11  1  0.976  0.444  0.750  1.0
  O  O12  1  0.798  0.545  0.451  1.0
  O  O13  1  0.201  0.454  0.549  1.0
  O  O14  1  0.016  0.211  0.750  1.0
  O  O15  1  0.454  0.254  0.451  1.0
  O  O16  1  0.254  0.799  0.549  1.0
  O  O17  1  0.531  0.977  0.250  1.0
  O  O18  1  0.195  0.984  0.750  1.0
  O  O19  1  0.748  0.201  0.049  1.0
  O  O20  1  0.554  0.531  0.750  1.0
  O  O21  1  0.546  0.748  0.549  1.0
  O  O22  1  0.788  0.805  0.750  1.0
  O  O23  1  0.445  0.469  0.250  1.0
  O  O24  1  0.024  0.555  0.250  1.0
  O  O25  1  0.201  0.454  0.950  1.0
  O  O26  1  0.983  0.788  0.250  1.0
  O  O27  1  0.546  0.748  0.951  1.0
  O  O28  1  0.254  0.800  0.951  1.0
  O  O29  1  0.455  0.254  0.049  1.0
  O  O30  1  0.748  0.201  0.451  1.0
  O  O31  1  0.799  0.545  0.049  1.0
[/CIF]
.