The structure described by CeSe2 crystallizes in the tetragonal I4/mmm space group. Ce(1) is bonded in a distorted q6 geometry to ten equivalent Se(1) atoms. Se(1) is bonded in a 6-coordinate geometry to five equivalent Ce(1) and one Se(1) atom. is represented by the CIF card [CIF]
data_CeSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.444
_cell_length_b   5.444
_cell_length_c   5.444
_cell_angle_alpha   138.728
_cell_angle_beta   138.728
_cell_angle_gamma   59.790
_symmetry_Int_Tables_number   1
_cell_volume   69.493
_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
  Ce  Ce0  1  0.500  0.500  0.000  1.0
  Se  Se1  1  0.846  0.846  0.000  1.0
  Se  Se2  1  0.154  0.154  0.000  1.0
[/CIF]
.
The structure described by CeSe2 crystallizes in the tetragonal I4/mmm space group. Ce(1) is bonded in a distorted q6 geometry to ten equivalent Se(1) atoms. Se(1) is bonded in a 6-coordinate geometry to five equivalent Ce(1) and one Se(1) atom. is represented by the CIF card [CIF]
data_CeSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.444
_cell_length_b   5.444
_cell_length_c   5.444
_cell_angle_alpha   138.728
_cell_angle_beta   138.728
_cell_angle_gamma   59.790
_symmetry_Int_Tables_number   1
_cell_volume   69.493
_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
  Ce  Ce0  1  0.500  0.500  0.000  1.0
  Se  Se1  1  0.846  0.846  0.000  1.0
  Se  Se2  1  0.154  0.154  0.000  1.0
[/CIF]
.