data_ZrNbSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.3
_cell_length_b   3.3
_cell_length_c   6.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrNbSe2
_chemical_formula_sum   'Zr1 Nb1 Se2'
_cell_volume   71.82
_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
  Zr  Zr3  1  0.0  0.0  0.0  1.0
  Nb  Nb0  1  0.0  0.0  0.31  1.0
  Se  Se1  1  0.65  0.65  0.9  1.0
  Se  Se2  1  0.65  0.65  0.72  1.0

data_ZrNbSe2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.66
_cell_length_b   4.66
_cell_length_c   6.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ZrNbSe2
_chemical_formula_sum   'Zr2 Nb2 Se4'
_cell_volume   143.64
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Zr  Zr0  2  0.0  0.0  0.0  1.0
  Nb  Nb1  2  0.0  0.0  0.31  1.0
  Se  Se2  2  0.15  0.5  0.72  1.0
  Se  Se3  2  0.15  0.5  0.9  1.0

Zr Nb Se Se
Zr Nb Se Se 0 2 - - - 0 1 o o o 2 3 o o o 