data_Zn2AsO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.72
_cell_length_b   5.89
_cell_length_c   6.83
_cell_angle_alpha   75.05
_cell_angle_beta   75.93
_cell_angle_gamma   88.33
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn2AsO5
_chemical_formula_sum   'Zn4 As2 O10'
_cell_volume   215.66
_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  0.43  0.3  0.2  1.0
  Zn  Zn1  1  0.13  0.3  0.2  1.0
  Zn  Zn2  1  0.92  0.87  0.21  1.0
  Zn  Zn3  1  0.64  0.73  0.19  1.0
  As  As4  1  0.56  0.91  0.73  1.0
  As  As5  1  0.99  0.7  0.67  1.0
  O  O6  1  0.58  0.49  0.88  1.0
  O  O7  1  0.98  0.12  0.52  1.0
  O  O8  1  0.64  0.8  0.77  1.0
  O  O9  1  0.92  0.8  0.63  1.0
  O  O10  1  0.08  0.18  0.14  1.0
  O  O11  1  0.47  0.42  0.26  1.0
  O  O12  1  0.14  0.36  0.19  1.0
  O  O13  1  0.42  0.24  0.21  1.0
  O  O14  1  0.28  0.15  0.06  1.0
  O  O15  1  0.28  0.45  0.34  1.0

data_Zn2AsO5
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.72
_cell_length_b   5.89
_cell_length_c   6.83
_cell_angle_alpha   75.05
_cell_angle_beta   75.93
_cell_angle_gamma   88.33
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Zn2AsO5
_chemical_formula_sum   'Zn4 As2 O10'
_cell_volume   215.66
_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  0.15  0.0  0.0  1.0
  Zn  Zn1  2  0.36  0.43  0.99  1.0
  As  As2  2  0.29  0.6  0.53  1.0
  O  O3  2  0.0  0.15  0.14  1.0
  O  O4  2  0.14  0.94  0.01  1.0
  O  O5  2  0.2  0.12  0.06  1.0
  O  O6  2  0.3  0.18  0.68  1.0
  O  O7  2  0.36  0.5  0.57  1.0

Zn Zn Zn Zn As As O O O O O O O O O O
Zn Zn Zn Zn As As O O O O O O O O O O 0 13 o o o 0 6 o o - 0 11 o o o 1 12 o o o 1 7 - o o 1 10 o o o 2 3 o o o 2 10 + + o 3 11 o o o 4 8 o o o 5 9 o o o 6 13 o o + 6 8 o o o 7 9 o - o 7 12 + o o 10 14 o o o 11 15 o o o 