# generated using pymatgen
data_Na2Cu(Si2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.00289700
_cell_length_b   7.79261588
_cell_length_c   9.87051391
_cell_angle_alpha   105.86850242
_cell_angle_beta   99.03010632
_cell_angle_gamma   114.32529899
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2Cu(Si2O5)2
_chemical_formula_sum   'Na4 Cu2 Si8 O20'
_cell_volume   449.23267984
_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
  Na  Na0  1  0.65846800  0.75676000  0.02469200  1.0
  Na  Na1  1  0.34153200  0.24324000  0.97530800  1.0
  Na  Na2  1  0.73370300  0.28201300  0.57905000  1.0
  Na  Na3  1  0.26629700  0.71798700  0.42095000  1.0
  Cu  Cu4  1  0.23298300  0.27330100  0.57325000  1.0
  Cu  Cu5  1  0.76701700  0.72669900  0.42675000  1.0
  Si  Si6  1  0.07065000  0.70513300  0.15012500  1.0
  Si  Si7  1  0.92935000  0.29486700  0.84987500  1.0
  Si  Si8  1  0.18316300  0.37871600  0.24910200  1.0
  Si  Si9  1  0.58678500  0.34224700  0.26435300  1.0
  Si  Si10  1  0.41321500  0.65775300  0.73564700  1.0
  Si  Si11  1  0.23062200  0.93497300  0.81143500  1.0
  Si  Si12  1  0.76937800  0.06502700  0.18856500  1.0
  Si  Si13  1  0.81683700  0.62128400  0.75089800  1.0
  O  O14  1  0.18451600  0.89405100  0.99054200  1.0
  O  O15  1  0.75958800  0.39491700  0.85642600  1.0
  O  O16  1  0.32923300  0.17259900  0.73419300  1.0
  O  O17  1  0.67076700  0.82740100  0.26580700  1.0
  O  O18  1  0.16762200  0.46532100  0.84875200  1.0
  O  O19  1  0.83237800  0.53467900  0.15124800  1.0
  O  O20  1  0.11086000  0.35260600  0.42014200  1.0
  O  O21  1  0.88914000  0.64739400  0.57985800  1.0
  O  O22  1  0.04917700  0.78157800  0.28619200  1.0
  O  O23  1  0.95082300  0.21842200  0.71380800  1.0
  O  O24  1  0.52095600  0.33521800  0.43137100  1.0
  O  O25  1  0.41839300  0.37377600  0.17960200  1.0
  O  O26  1  0.41451400  0.86619600  0.74663800  1.0
  O  O27  1  0.58548600  0.13380400  0.25336200  1.0
  O  O28  1  0.99163000  0.79194400  0.79855100  1.0
  O  O29  1  0.00837000  0.20805600  0.20144900  1.0
  O  O30  1  0.81548400  0.10594900  0.00945800  1.0
  O  O31  1  0.47904400  0.66478200  0.56862900  1.0
  O  O32  1  0.58160700  0.62622400  0.82039800  1.0
  O  O33  1  0.24041200  0.60508300  0.14357400  1.0