data_ZrZnAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.04
_cell_length_b   3.04
_cell_length_c   8.79
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   101.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrZnAs2
_chemical_formula_sum   'Zr1 Zn1 As2'
_cell_volume   79.88
_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  0.93  0.0  0.3  1.0
  Zn  Zn2  1  0.0  0.0  0.41  1.0
  As  As0  1  0.0  0.0  0.32  1.0
  As  As1  1  0.93  0.0  0.15  1.0

data_ZrZnAs2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.04
_cell_length_b   3.04
_cell_length_c   8.79
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   101.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrZnAs2
_chemical_formula_sum   'Zr1 Zn1 As2'
_cell_volume   79.88
_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  Zr0  1  0.93  0.0  0.3  1.0
  Zn  Zn1  1  0.0  0.0  0.41  1.0
  As  As2  1  0.0  0.0  0.32  1.0
  As  As3  1  0.93  0.0  0.15  1.0

Zr Zn As As
Zr Zn As As 0 2 + o o 0 3 o o o 1 2 o o o 2 3 - o o 