The material structure described by EuNbMnSnO6 crystallizes in the triclinic P-1 space group. Eu(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. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NbO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-28°. In the second Nb site, Nb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NbO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra and corners with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. In the second Mn site, Mn(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with four equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. Sn(1) is bonded in a 3-coordinate geometry to one O(1), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Eu(1), one Nb(1), one Mn(1), and one Sn(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Eu(1), one Nb(2), and one Mn(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Eu(1), one Nb(1), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Eu(1), one Nb(2), one Mn(2), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Eu(1), one Nb(1), one Mn(2), and one Sn(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Eu(1), one Nb(2), and one Mn(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_EuMnNbSnO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.828
_cell_length_b   5.847
_cell_length_c   7.910
_cell_angle_alpha   90.507
_cell_angle_beta   89.474
_cell_angle_gamma   86.810
_symmetry_Int_Tables_number   1
_cell_volume   269.072
_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  0.500  0.531  0.251  1.0
  Eu  Eu1  1  0.500  0.469  0.749  1.0
  Mn  Mn2  1  0.000  0.500  0.000  1.0
  Mn  Mn3  1  0.500  0.000  0.500  1.0
  Nb  Nb4  1  0.500  0.000  0.000  1.0
  Nb  Nb5  1  0.000  0.500  0.500  1.0
  Sn  Sn6  1  0.980  0.998  0.250  1.0
  Sn  Sn7  1  0.020  0.002  0.750  1.0
  O  O8  1  0.216  0.211  0.950  1.0
  O  O9  1  0.277  0.689  0.541  1.0
  O  O10  1  0.784  0.789  0.050  1.0
  O  O11  1  0.723  0.311  0.459  1.0
  O  O12  1  0.316  0.723  0.960  1.0
  O  O13  1  0.212  0.212  0.550  1.0
  O  O14  1  0.684  0.277  0.040  1.0
  O  O15  1  0.788  0.788  0.450  1.0
  O  O16  1  0.421  0.986  0.254  1.0
  O  O17  1  0.087  0.494  0.251  1.0
  O  O18  1  0.579  0.014  0.746  1.0
  O  O19  1  0.913  0.506  0.749  1.0
[/CIF]
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The material structure described by EuNbMnSnO6 crystallizes in the triclinic P-1 space group. Eu(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. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NbO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-28°. In the second Nb site, Nb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NbO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra and corners with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. In the second Mn site, Mn(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with four equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-29°. Sn(1) is bonded in a 3-coordinate geometry to one O(1), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Eu(1), one Nb(1), one Mn(1), and one Sn(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Eu(1), one Nb(2), and one Mn(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Eu(1), one Nb(1), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Eu(1), one Nb(2), one Mn(2), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Eu(1), one Nb(1), one Mn(2), and one Sn(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Eu(1), one Nb(2), and one Mn(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_EuMnNbSnO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.828
_cell_length_b   5.847
_cell_length_c   7.910
_cell_angle_alpha   90.507
_cell_angle_beta   89.474
_cell_angle_gamma   86.810
_symmetry_Int_Tables_number   1
_cell_volume   269.072
_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  0.500  0.531  0.251  1.0
  Eu  Eu1  1  0.500  0.469  0.749  1.0
  Mn  Mn2  1  0.000  0.500  0.000  1.0
  Mn  Mn3  1  0.500  0.000  0.500  1.0
  Nb  Nb4  1  0.500  0.000  0.000  1.0
  Nb  Nb5  1  0.000  0.500  0.500  1.0
  Sn  Sn6  1  0.980  0.998  0.250  1.0
  Sn  Sn7  1  0.020  0.002  0.750  1.0
  O  O8  1  0.216  0.211  0.950  1.0
  O  O9  1  0.277  0.689  0.541  1.0
  O  O10  1  0.784  0.789  0.050  1.0
  O  O11  1  0.723  0.311  0.459  1.0
  O  O12  1  0.316  0.723  0.960  1.0
  O  O13  1  0.212  0.212  0.550  1.0
  O  O14  1  0.684  0.277  0.040  1.0
  O  O15  1  0.788  0.788  0.450  1.0
  O  O16  1  0.421  0.986  0.254  1.0
  O  O17  1  0.087  0.494  0.251  1.0
  O  O18  1  0.579  0.014  0.746  1.0
  O  O19  1  0.913  0.506  0.749  1.0
[/CIF]
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