# generated using pymatgen
data_Cu2As2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.50415603
_cell_length_b   5.50415603
_cell_length_c   9.86701506
_cell_angle_alpha   75.68149837
_cell_angle_beta   75.68149837
_cell_angle_gamma   96.54499174
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu2As2O7
_chemical_formula_sum   'Cu4 As4 O14'
_cell_volume   275.71808039
_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
  Cu  Cu0  1  0.72489126  0.85913372  0.99040729  1.0
  Cu  Cu1  1  0.14086628  0.27510874  0.50959271  1.0
  Cu  Cu2  1  0.27510874  0.14086628  0.00959271  1.0
  Cu  Cu3  1  0.85913372  0.72489126  0.49040729  1.0
  As  As4  1  0.50497929  0.97830396  0.70543389  1.0
  As  As5  1  0.49502071  0.02169604  0.29456611  1.0
  As  As6  1  0.02169604  0.49502071  0.79456611  1.0
  As  As7  1  0.97830396  0.50497929  0.20543389  1.0
  O  O8  1  0.47757812  0.97523252  0.13252019  1.0
  O  O9  1  0.79053965  0.60916297  0.88841224  1.0
  O  O10  1  0.52242188  0.02476748  0.86747981  1.0
  O  O11  1  0.97523252  0.47757812  0.63252019  1.0
  O  O12  1  0.20396661  0.04578161  0.39051574  1.0
  O  O13  1  0.60916297  0.79053965  0.38841224  1.0
  O  O14  1  0.39083703  0.20946035  0.61158776  1.0
  O  O15  1  0.66873482  0.33126518  0.25000000  1.0
  O  O16  1  0.95421839  0.79603339  0.10948426  1.0
  O  O17  1  0.79603339  0.95421839  0.60948426  1.0
  O  O18  1  0.02476748  0.52242188  0.36747981  1.0
  O  O19  1  0.20946035  0.39083703  0.11158776  1.0
  O  O20  1  0.33126518  0.66873482  0.75000000  1.0
  O  O21  1  0.04578161  0.20396661  0.89051574  1.0