The compound described by SrEuSeS is alpha Po-derived structured and crystallizes in the trigonal R3m space group. Sr(1) is bonded to three equivalent Se(1) and three equivalent S(1) atoms to form SrSe3S3 octahedra that share corners with six equivalent Eu(1)Se3S3 octahedra, edges with six equivalent Sr(1)Se3S3 octahedra, and edges with six equivalent Eu(1)Se3S3 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. Eu(1) is bonded to three equivalent Se(1) and three equivalent S(1) atoms to form EuSe3S3 octahedra that share corners with six equivalent Sr(1)Se3S3 octahedra, edges with six equivalent Sr(1)Se3S3 octahedra, and edges with six equivalent Eu(1)Se3S3 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. Se(1) is bonded to three equivalent Sr(1) and three equivalent Eu(1) atoms to form SeSr3Eu3 octahedra that share corners with six equivalent S(1)Sr3Eu3 octahedra, edges with six equivalent Se(1)Sr3Eu3 octahedra, and edges with six equivalent S(1)Sr3Eu3 octahedra. The corner-sharing octahedral tilt angles are 2°. S(1) is bonded to three equivalent Sr(1) and three equivalent Eu(1) atoms to form SSr3Eu3 octahedra that share corners with six equivalent Se(1)Sr3Eu3 octahedra, edges with six equivalent Se(1)Sr3Eu3 octahedra, and edges with six equivalent S(1)Sr3Eu3 octahedra. The corner-sharing octahedral tilt angles are 2°. is represented by the CIF file [CIF]
data_SrEuSeS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.514
_cell_length_b   7.514
_cell_length_c   7.514
_cell_angle_alpha   33.456
_cell_angle_beta   33.456
_cell_angle_gamma   33.456
_symmetry_Int_Tables_number   1
_cell_volume   114.846
_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  0.497  0.497  0.497  1.0
  Eu  Eu1  1  0.003  0.003  0.003  1.0
  Se  Se2  1  0.252  0.252  0.252  1.0
  S  S3  1  0.748  0.748  0.748  1.0
[/CIF]
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The compound described by SrEuSeS is alpha Po-derived structured and crystallizes in the trigonal R3m space group. Sr(1) is bonded to three equivalent Se(1) and three equivalent S(1) atoms to form SrSe3S3 octahedra that share corners with six equivalent Eu(1)Se3S3 octahedra, edges with six equivalent Sr(1)Se3S3 octahedra, and edges with six equivalent Eu(1)Se3S3 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. Eu(1) is bonded to three equivalent Se(1) and three equivalent S(1) atoms to form EuSe3S3 octahedra that share corners with six equivalent Sr(1)Se3S3 octahedra, edges with six equivalent Sr(1)Se3S3 octahedra, and edges with six equivalent Eu(1)Se3S3 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. Se(1) is bonded to three equivalent Sr(1) and three equivalent Eu(1) atoms to form SeSr3Eu3 octahedra that share corners with six equivalent S(1)Sr3Eu3 octahedra, edges with six equivalent Se(1)Sr3Eu3 octahedra, and edges with six equivalent S(1)Sr3Eu3 octahedra. The corner-sharing octahedral tilt angles are 2°. S(1) is bonded to three equivalent Sr(1) and three equivalent Eu(1) atoms to form SSr3Eu3 octahedra that share corners with six equivalent Se(1)Sr3Eu3 octahedra, edges with six equivalent Se(1)Sr3Eu3 octahedra, and edges with six equivalent S(1)Sr3Eu3 octahedra. The corner-sharing octahedral tilt angles are 2°. is represented by the CIF file [CIF]
data_SrEuSeS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.514
_cell_length_b   7.514
_cell_length_c   7.514
_cell_angle_alpha   33.456
_cell_angle_beta   33.456
_cell_angle_gamma   33.456
_symmetry_Int_Tables_number   1
_cell_volume   114.846
_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  0.497  0.497  0.497  1.0
  Eu  Eu1  1  0.003  0.003  0.003  1.0
  Se  Se2  1  0.252  0.252  0.252  1.0
  S  S3  1  0.748  0.748  0.748  1.0
[/CIF]
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