data_ZnP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.38
_cell_length_b   5.38
_cell_length_c   5.38
_cell_angle_alpha   141.1
_cell_angle_beta   141.1
_cell_angle_gamma   56.18
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnP
_chemical_formula_sum   'Zn2 P2'
_cell_volume   60.88
_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  0.79  0.0  0.37  1.0
  Zn  Zn3  1  0.0  0.0  0.75  1.0
  P  P0  1  0.0  0.79  0.37  1.0
  P  P1  1  0.0  0.0  0.0  1.0

data_ZnP
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.58
_cell_length_b   3.58
_cell_length_c   5.38
_cell_angle_alpha   109.45
_cell_angle_beta   109.45
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnP
_chemical_formula_sum   'Zn2 P2'
_cell_volume   60.88
_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  Zn0  1  0.37  0.58  0.58  1.0
  Zn  Zn1  1  0.75  0.75  0.75  1.0
  P  P2  1  0.0  0.0  0.0  1.0
  P  P3  1  0.58  0.37  0.58  1.0

Zn Zn P P
Zn Zn P P 0 2 + - o 0 1 + o o 1 2 o - o 1 3 o o + 