data_As3C4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.34
_cell_length_b   9.34
_cell_length_c   9.34
_cell_angle_alpha   160.42
_cell_angle_beta   160.42
_cell_angle_gamma   27.83
_symmetry_Int_Tables_number   1
_chemical_formula_structural   As3C4
_chemical_formula_sum   'As3 C4'
_cell_volume   91.57
_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
  As  As0  1  0.0  0.0  0.0  1.0
  As  As1  1  0.0  0.0  0.5  1.0
  As  As2  1  0.0  0.0  0.63  1.0
  C  C3  1  0.0  0.0  0.54  1.0
  C  C4  1  0.0  0.0  0.59  1.0
  C  C5  1  0.0  0.0  0.74  1.0
  C  C6  1  0.0  0.0  0.4  1.0

data_As3C4
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.49
_cell_length_b   4.49
_cell_length_c   9.34
_cell_angle_alpha   90.0
_cell_angle_beta   103.92
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   As3C4
_chemical_formula_sum   'As6 C8'
_cell_volume   183.14
_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
  As  As0  2  0.0  0.0  0.0  1.0
  As  As1  2  0.0  0.5  0.5  1.0
  As  As2  2  0.13  0.5  0.63  1.0
  C  C3  2  0.04  0.5  0.54  1.0
  C  C4  2  0.09  0.5  0.59  1.0
  C  C5  2  0.24  0.5  0.74  1.0
  C  C6  2  0.4  0.0  0.4  1.0

As As As C C C C