The material described by CaEuNdSbO6 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. Eu(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), two equivalent O(1), and two equivalent O(4) atoms. There are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form NdO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-39°. In the second Nd site, Nd(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form NdO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra and corners with four equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-37°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Nd(2)O6 octahedra and corners with four equivalent Nd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-38°. In the second Sb site, Sb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Nd(1)O6 octahedra and corners with four equivalent Nd(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-39°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Eu(1), one Nd(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one Eu(1), one Nd(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ca(1), one Eu(1), one Nd(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Eu(1), one Nd(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Ca(1), one Eu(1), one Nd(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Ca(1), one Eu(1), one Nd(1), and one Sb(2) atom to form distorted corner-sharing OCaNdEuSb tetrahedra. is represented by the CIF file [CIF]
data_CaNdEuSbO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.803
_cell_length_b   5.977
_cell_length_c   8.357
_cell_angle_alpha   89.583
_cell_angle_beta   90.569
_cell_angle_gamma   89.912
_symmetry_Int_Tables_number   1
_cell_volume   289.822
_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
  Ca  Ca0  1  0.514  0.550  0.246  1.0
  Ca  Ca1  1  0.486  0.450  0.754  1.0
  Nd  Nd2  1  0.000  0.500  0.000  1.0
  Nd  Nd3  1  0.500  0.000  0.500  1.0
  Eu  Eu4  1  0.986  0.052  0.251  1.0
  Eu  Eu5  1  0.014  0.948  0.749  1.0
  Sb  Sb6  1  0.500  0.000  0.000  1.0
  Sb  Sb7  1  0.000  0.500  0.500  1.0
  O  O8  1  0.219  0.183  0.945  1.0
  O  O9  1  0.281  0.680  0.564  1.0
  O  O10  1  0.781  0.817  0.055  1.0
  O  O11  1  0.719  0.320  0.436  1.0
  O  O12  1  0.329  0.716  0.936  1.0
  O  O13  1  0.173  0.216  0.559  1.0
  O  O14  1  0.671  0.284  0.064  1.0
  O  O15  1  0.827  0.784  0.441  1.0
  O  O16  1  0.393  0.946  0.229  1.0
  O  O17  1  0.120  0.463  0.272  1.0
  O  O18  1  0.607  0.054  0.771  1.0
  O  O19  1  0.880  0.537  0.728  1.0
[/CIF]
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The material described by CaEuNdSbO6 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. Eu(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), two equivalent O(1), and two equivalent O(4) atoms. There are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form NdO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-39°. In the second Nd site, Nd(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form NdO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra and corners with four equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-37°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Nd(2)O6 octahedra and corners with four equivalent Nd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-38°. In the second Sb site, Sb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Nd(1)O6 octahedra and corners with four equivalent Nd(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-39°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Eu(1), one Nd(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one Eu(1), one Nd(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ca(1), one Eu(1), one Nd(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Eu(1), one Nd(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Ca(1), one Eu(1), one Nd(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Ca(1), one Eu(1), one Nd(1), and one Sb(2) atom to form distorted corner-sharing OCaNdEuSb tetrahedra. is represented by the CIF file [CIF]
data_CaNdEuSbO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.803
_cell_length_b   5.977
_cell_length_c   8.357
_cell_angle_alpha   89.583
_cell_angle_beta   90.569
_cell_angle_gamma   89.912
_symmetry_Int_Tables_number   1
_cell_volume   289.822
_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
  Ca  Ca0  1  0.514  0.550  0.246  1.0
  Ca  Ca1  1  0.486  0.450  0.754  1.0
  Nd  Nd2  1  0.000  0.500  0.000  1.0
  Nd  Nd3  1  0.500  0.000  0.500  1.0
  Eu  Eu4  1  0.986  0.052  0.251  1.0
  Eu  Eu5  1  0.014  0.948  0.749  1.0
  Sb  Sb6  1  0.500  0.000  0.000  1.0
  Sb  Sb7  1  0.000  0.500  0.500  1.0
  O  O8  1  0.219  0.183  0.945  1.0
  O  O9  1  0.281  0.680  0.564  1.0
  O  O10  1  0.781  0.817  0.055  1.0
  O  O11  1  0.719  0.320  0.436  1.0
  O  O12  1  0.329  0.716  0.936  1.0
  O  O13  1  0.173  0.216  0.559  1.0
  O  O14  1  0.671  0.284  0.064  1.0
  O  O15  1  0.827  0.784  0.441  1.0
  O  O16  1  0.393  0.946  0.229  1.0
  O  O17  1  0.120  0.463  0.272  1.0
  O  O18  1  0.607  0.054  0.771  1.0
  O  O19  1  0.880  0.537  0.728  1.0
[/CIF]
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