data_ZnAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.86
_cell_length_b   5.86
_cell_length_c   3.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   142.46
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnAs
_chemical_formula_sum   'Zn2 As2'
_cell_volume   75.56
_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
  Zn  Zn2  1  0.89  0.17  0.9  1.0
  Zn  Zn3  1  0.89  0.83  0.71  1.0
  As  As0  1  0.89  0.85  0.9  1.0
  As  As1  1  0.89  0.15  0.71  1.0

data_ZnAs
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.61
_cell_length_b   3.77
_cell_length_c   5.86
_cell_angle_alpha   108.77
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   ZnAs
_chemical_formula_sum   'Zn2 As2'
_cell_volume   75.56
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Zn  Zn0  2  0.4  0.17  0.67  1.0
  As  As1  2  0.4  0.85  0.35  1.0

Zn Zn As As