data_Cs2N
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.11
_cell_length_b   7.11
_cell_length_c   4.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cs2N
_chemical_formula_sum   'Cs4 N2'
_cell_volume   231.05
_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
  Cs  Cs0  1  0.21  0.21  0.0  1.0
  Cs  Cs1  1  0.9  0.9  0.0  1.0
  Cs  Cs2  1  0.77  0.34  0.28  1.0
  Cs  Cs3  1  0.34  0.77  0.28  1.0
  N  N4  1  0.0  0.0  0.0  1.0
  N  N5  1  0.56  0.56  0.28  1.0

data_Cs2N
_symmetry_space_group_name_H-M   Cm
_cell_length_a   10.06
_cell_length_b   10.06
_cell_length_c   4.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Cs2N
_chemical_formula_sum   'Cs8 N4'
_cell_volume   462.1
_cell_formula_units_Z   4
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
  Cs  Cs0  4  0.06  0.29  0.28  1.0
  Cs  Cs1  2  0.21  0.0  -0.0  1.0
  Cs  Cs2  2  0.4  0.5  -0.0  1.0
  N  N3  2  0.0  0.0  0.0  1.0
  N  N4  2  0.06  0.5  0.28  1.0

Cs Cs Cs Cs N N
Cs Cs Cs Cs N N 0 4 o o o 1 4 + + o 2 5 o o o 3 5 o o o 