data_[As2C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  As  2.1800  1.1500  0.6600
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.4635]
_cell_length_b [2.5398]
_cell_length_c [4.4892]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.0666]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [AsC2]
_chemical_formula_sum '[As2 C4]'
_cell_volume [96.1235]
_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
[
  As  As0  2  0.0991  0.5000  0.3949  1
  C  C1  2  0.3202  0.5000  0.5866  1
  C  C2  2  0.3960  0.0000  0.5868  1
]