The compound described by LiSr2UYbO6 crystallizes in the orthorhombic Immm space group. Li(1) is bonded in a square co-planar geometry to two equivalent Sr(1) and four equivalent O(2) atoms. Sr(1) is bonded in a 9-coordinate geometry to one Li(1), four equivalent O(1), and four equivalent O(2) atoms. U(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form UO6 octahedra that share corners with six equivalent Yb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. Yb(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form YbO6 octahedra that share corners with six equivalent U(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to four equivalent Sr(1), one U(1), and one Yb(1) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Sr(1), one U(1), and one Yb(1) atom to form a mixture of distorted edge, corner, and face-sharing OSr2LiYbU trigonal bipyramids. is represented by the CIF file [CIF]
data_Sr2LiYbUO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.308
_cell_length_b   6.308
_cell_length_c   6.060
_cell_angle_alpha   61.294
_cell_angle_beta   61.294
_cell_angle_gamma   58.148
_symmetry_Int_Tables_number   1
_cell_volume   171.120
_cell_formula_units_Z   1
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
  Sr  Sr0  1  0.690  0.690  0.810  1.0
  Sr  Sr1  1  0.310  0.310  0.190  1.0
  Li  Li2  1  0.000  0.000  0.500  1.0
  Yb  Yb3  1  0.500  0.500  0.500  1.0
  U  U4  1  0.000  0.000  0.000  1.0
  O  O5  1  0.762  0.762  0.238  1.0
  O  O6  1  0.238  0.238  0.762  1.0
  O  O7  1  0.753  0.247  0.756  1.0
  O  O8  1  0.247  0.753  0.244  1.0
  O  O9  1  0.247  0.753  0.756  1.0
  O  O10  1  0.753  0.247  0.244  1.0
[/CIF]
.
The compound described by LiSr2UYbO6 crystallizes in the orthorhombic Immm space group. Li(1) is bonded in a square co-planar geometry to two equivalent Sr(1) and four equivalent O(2) atoms. Sr(1) is bonded in a 9-coordinate geometry to one Li(1), four equivalent O(1), and four equivalent O(2) atoms. U(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form UO6 octahedra that share corners with six equivalent Yb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. Yb(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form YbO6 octahedra that share corners with six equivalent U(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to four equivalent Sr(1), one U(1), and one Yb(1) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Sr(1), one U(1), and one Yb(1) atom to form a mixture of distorted edge, corner, and face-sharing OSr2LiYbU trigonal bipyramids. is represented by the CIF file [CIF]
data_Sr2LiYbUO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.308
_cell_length_b   6.308
_cell_length_c   6.060
_cell_angle_alpha   61.294
_cell_angle_beta   61.294
_cell_angle_gamma   58.148
_symmetry_Int_Tables_number   1
_cell_volume   171.120
_cell_formula_units_Z   1
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
  Sr  Sr0  1  0.690  0.690  0.810  1.0
  Sr  Sr1  1  0.310  0.310  0.190  1.0
  Li  Li2  1  0.000  0.000  0.500  1.0
  Yb  Yb3  1  0.500  0.500  0.500  1.0
  U  U4  1  0.000  0.000  0.000  1.0
  O  O5  1  0.762  0.762  0.238  1.0
  O  O6  1  0.238  0.238  0.762  1.0
  O  O7  1  0.753  0.247  0.756  1.0
  O  O8  1  0.247  0.753  0.244  1.0
  O  O9  1  0.247  0.753  0.756  1.0
  O  O10  1  0.753  0.247  0.244  1.0
[/CIF]
.