The structure described by GeSe2 crystallizes in the tetragonal I-42d space group. Ge(1) is bonded to four equivalent Se(1) atoms to form corner-sharing GeSe4 tetrahedra. Se(1) is bonded in a water-like geometry to two equivalent Ge(1) atoms. is represented by the CIF file [CIF]
data_GeSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.937
_cell_length_b   5.937
_cell_length_c   6.366
_cell_angle_alpha   117.793
_cell_angle_beta   117.793
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   168.664
_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
  Ge  Ge0  1  0.000  0.000  0.000  1.0
  Ge  Ge1  1  0.250  0.750  0.500  1.0
  Se  Se2  1  0.363  0.375  0.250  1.0
  Se  Se3  1  0.125  0.637  0.750  1.0
  Se  Se4  1  0.625  0.113  0.750  1.0
  Se  Se5  1  0.887  0.875  0.250  1.0
[/CIF]
.
The structure described by GeSe2 crystallizes in the tetragonal I-42d space group. Ge(1) is bonded to four equivalent Se(1) atoms to form corner-sharing GeSe4 tetrahedra. Se(1) is bonded in a water-like geometry to two equivalent Ge(1) atoms. is represented by the CIF file [CIF]
data_GeSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.937
_cell_length_b   5.937
_cell_length_c   6.366
_cell_angle_alpha   117.793
_cell_angle_beta   117.793
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   168.664
_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
  Ge  Ge0  1  0.000  0.000  0.000  1.0
  Ge  Ge1  1  0.250  0.750  0.500  1.0
  Se  Se2  1  0.363  0.375  0.250  1.0
  Se  Se3  1  0.125  0.637  0.750  1.0
  Se  Se4  1  0.625  0.113  0.750  1.0
  Se  Se5  1  0.887  0.875  0.250  1.0
[/CIF]
.